1030:, u-value limits similar to those in the 2002 regulations still apply, but are no longer sufficient by themselves. The DER, and TER (Target Emission rate) calculated through either the UK Government's Standard Assessment Procedure for Energy Rating of Dwellings (SAP rating), 2005 edition, or the newer SBEM (*Simplified Building Energy Model) which is aimed at non-dwellings, became the only acceptable calculation methods. Several commercial energy modeling software packages have now also been verified as producing acceptable evidence by the BRE Global & UK Government. Calculations using previous versions of SAP had been an optional way of demonstrating compliance since 1991(?). They are now a statutory requirement (B. Reg.17C et al.) for all building regulations applications, involving new dwelling/buildings and large extensions to existing non-domestic buildings.
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24:
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Fahrenheit of temperature difference between inside and outside). The 1965 regulations were the first set of truly nationwide standards, prior to this local authorities set their own local regimes. Part F of the 1965 regulations defines minimum thermal performance, and schedule 11 of the same document gives examples of compliant methods for builders and architects to refer to. While novel at the time, by modern standards these limits set quite a low target, unfilled
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guideline and not legally enforceable guarantee. It is believed that tying repayment to energy bills will give investors a secure return. The Green Deal for the domestic property market was launched in
October 2012. The Commercial Green Deal was launched in January 2012 and released in a series of stages to help with the varying needs and requirements of commercial properties.
553:. Some also demand minimum levels of energy efficiency in newly constructed buildings. It was expected that the Act would result in a 30% cut in energy usage between 1996 and 2010. An overall cumulative improvement of 14.7% was reported to DEFRA for the year ending March 2004, but a large part of this would have happened without HECA.
608:, the properties use 88% less energy (measured) for space heating compared to those built to the 2002 Building Regulations, while the reduction for water heating is 57%. Measured electrical use for cooking, appliances and occupant's plug loads ('unregulated energy' consumption) are some 55% lower than UK norms (
462:
In Wales where 'zero-carbon homes' are the aspiration for 2011 (although 2012 is more likely) the requirements are for Code for
Sustainable Homes or equivalent. This has opened the doors for standards like Passiv Haus and the CarbonLite programme. Another lesser known building type that does not rely
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are required to consider measures to improve the energy efficiency of all residential accommodation in their areas, although they are not required to implement any measures. Most local authorities provide free advice on energy conservation and some also provide home visits, often targeting those in
416:
It is hoped that energy labelling will raise awareness of energy efficiency, and encourage upgrading to make properties more marketable. Incentives may be available for carrying out energy conservation measures. Research by comparethemarket.com showed homes across the UK were worth more when scored
307:
In the 2006 regulations, the u-value was replaced as the primary measure of energy efficiency by the
Dwelling Carbon Dioxide Emission Rate (DER), an estimate of carbon dioxide emissions per m of floor area. This is calculated using the Government's Standard Assessment Procedure for Energy Rating of
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initiative features many owner occupied, existing home retrofits which achieve a 60% carbon saving which can be visited by the public. Many of the homes have dramatically improved their energy efficiency to achieve these carbon savings, while some have also installed renewable energy technologies.
303:
With the long-term aim of cutting overall emissions by 60% by 2050, and by 80% by 2100, the intention of the 2006 changes was to cut energy use in new housing by 20% compared to a similar building constructed to the 2002 standards. The changes were the first to the regulations brought about by the
372:
it was proposed that the 2010 revision should require a further 25% improvement in the energy/carbon performance, in line with the 2004 proposals. It was further envisaged that there would be a 44% improvement in 2013, compared to 2006 levels. This would then be followed by the adoption of a zero
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Some organisations have raised doubts over the claim that the changes will result in a 20% saving. Issues cited have included alleged problems with the calculation methods, the limitations of the modelling software, and the specification of the reference building used in the model. For example, a
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revealed that 6.1 million homes lacked an adequate thickness of loft insulation, 8.5 million homes had uninsulated cavity walls, and that there is a potential to insulate 7.5 million homes that have solid external walls. These three measures alone have the potential to save 8.5 million tonnes of
244:
The 1965 Building
Regulations introduced the first limits on the amount of energy that could be lost through certain elements of the fabric of new houses. This thermal performance was expressed in the imperial units of the time (the amount of heat in BTU lost per square foot, for each degree
227:
improvements to the energy bills of the properties the upgrades are performed on. These debts are passed onto new occupiers when they take over the payment of energy bills. The costs of the loan repayments should be less than the savings on the bills from the upgrades, however this will be a
580:, which attracted international interest. Fifty-one houses were built, designed to be at least 30% more efficient than the Building Regulations then in force. This was calculated using the Milton Keynes Energy Cost Index (MKECI), a test-bed for the subsequent SAP rating system and the
114:
the lowest (4,395 kg). The variations are due to a number of factors, including the age, size and type of the housing stock, together with the efficiency of heating systems, the mix of fuels used, the ownership of appliances, occupancy levels and the habits of the occupants.
173:
At the same time, the increase in the number of households, increasing numbers of domestic electrical appliances, an increase in the number of light fittings, reduction in the average number of occupants per household, plus other factors, had led to an increase in total national
420:
For new building, SAP calculations are to form the basis for the certification, while RDSAP (Reduced Data SAP) will be used to assess existing properties. It is estimated that only 10% of the nation's housing will score above 60 on the scale, although most will score above 40.
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resigned from the taskforce on Zero-Carbon homes, stating that 'the zero-carbon policy is now in tatters' after the
Government unilaterally decided to change the scope of the 'zero carbon' policy to exclude some emissions not currently covered by the building regulations. The
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In 2003 the housing stock in the United
Kingdom was amongst the least energy efficient in Europe. In 2004, housing (including space heating, hot water, lighting, cooking, and appliances) accounted for 30.23% of all energy use in the UK (up from 27.70% in 1990). The figure for
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regulations reduced the U-values, and made additional elements of the building fabric subject to control. Although there was in practice considerable flexibility and the ability to 'trade off' reductions in one area for increases in another, the 'target' limits became:
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on airtightness in order to get its energy rating is Bio-Solar-Haus. This is not a well known type of house, but it has a range of positive advantages like it is built out of renewable resources and it is a breathable structure thus making it much healthier to live in.
170:. By 2003 it had been installed in 92% of British homes, leading in turn to a rise in the average temperature within them (from 12.1 °C to 18.20 °C). Even in homes with central heating, average temperatures rose 4.55 °C during this period.
311:
In addition to the levels of insulation provide by the structure of the building, the DER also takes into account the airtightness of the building, the efficiency of space and water heating, the efficiency of lighting, and any savings from
260:
approach is slightly regressive in that richer people live in bigger houses which tend to have a lower ratio of surface area to floor area, although they are often detached, which can offset the advantage over smaller row houses.
521:
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Whilst some organisations applauded the initial announcement of the scheme, in the pre-budget statement from the then UK Chancellor, Gordon Brown, others are concerned about the government's ability to deliver on the promise.
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It was claimed by
Government that these measures should cut the heating requirement by 25% compared to the 1995 Regulations. It was subsequently also claimed that they had achieved a 50% cut compared to the 1990 Regulations.
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standard. Properties built to the standards use approximately 85% less energy and produce 95% less carbon dioxide compared to properties built to the UK's 2002 standards. Over 6,000 such houses have been built across several
70:
Although carbon emissions from housing have remained fairly stable since 1990 (due to the increase in household energy use having been compensated for by the 'dash for gas'), housing accounted for around 30% of all the UK's
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standard which requires that general energy consumption must not to be higher than 75% of that of average buildings and that fossil-fuel consumption must not be higher than 50% of the consumption of such buildings, and the
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or other energy generation technologies employed, and other factors. For the first time, it also became compulsory to upgrade the energy efficiency in existing houses when extensions or certain other works are carried out.
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carbon requirement in 2016, applied to all home energy use including appliances. These steps in performance would align the energy efficiency requirement of the
Building Regulations with those of Levels 3, 4 and 6 of the
1642:
159:' requirements for energy efficiency since the 1970s (see the history section below), it might be expected that a significant cut in domestic energy use would have occurred, however this has not yet been the case.
249:, 2 inches of loft insulation and uninsulated concrete floors were deemed adequate for the reference standards. The 1972 regulations retained the same standards but converted to metric units (mm) and the modern
752:
In 2005, the Select
Committee on Environmental Audit expressed their concern that there was a lack of significant funding for research and development of sustainable construction methods, with funding for the
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on site. In use, BedZED has yielded considerable useful feedback, not least that energy efficiency and passive design features delivery more reliable reduced carbon emissions than active systems. Due to their
437:, and only applicable to new properties or major refurbishments. This actually measures a range of sustainability issues, of which energy efficiency is only one. EcoHomes is to be replaced by the Government's
401:. The scheme has been criticized for its methodology and superficial approach, especially for old buildings. For example, it ignores thick walls with their low heat transmission, and its recommendations for
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generation. Despite being the first country in the world to adopt such a policy the initiative was generally welcomed by the industry in principle, despite some subsequent concern over the practicalities.
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599:, London included zero fossil energy usage as one of its key design features. The project was completed in 2002 and is the UK's largest eco-development. As designed, the energy used is generated from
256:
In effect, the Target
Insulation was u-values of 1.42 W/m·K for the roof and floor and 1.7 W/m·K for external walls. Modern performance standards require values less than 20% of this. This
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targeted by the Government for 2010. However, the process of achieving that drop is proving problematic given the very wide range of age and condition of the UK housing stock.
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considered energy efficiency 'a low priority' and that few would take any action over failure to comply with the Building Regulations because the matter 'seemed trivial'.
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In 2004, the Government indicated that the next revision to the energy performance standards of the Building Regulations would be in 2010. In the consultation document
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through the 2003 Energy White Paper articulated directions for more energy efficient building construction. Hence, the year 2006 saw a significant tightening of
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estimated that the change, published at the time of the March 2011 budget, will result in only two-thirds of the emissions of a new home being mitigated.
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Like the 2006 changes, it was predicted that the introduction of these limits would result in a 20% reduction in energy use for heating. A survey by
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Even if all new housing does become zero carbon by 2016, the energy efficiency of the remainder of the housing stock would need to be addressed.
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having been "drastically" cut in the previous 4 years. As a result, many of the sustainable building materials used in the UK are imported from
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desire to reduce emissions, though some have raised doubts about whether they will actually achieve the 20% cut (see criticisms section).
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268:, and on several subsequent occasions, including the addition of limits for doors and windows in the year 2000 that effectively required
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712:, and in various other countries including a number in the UK. Currently energy savings of 30% to 40% are typically achieved in Canada.
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shape of the ten-storey tower provides the smallest surface area related to the volume, ensuring less energy is lost through thermal
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City Centre and has been built to high energy efficiency standards and won a 2006 Civic Trust Award for its sustainable design. The
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Companies with headquarters and/or registered office in the UK but no applicable energy operations within the country shown in
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2049:"100: Monitoring the implementation of the Home Energy Conservation Act 1995 - Department for Communities and Local Government"
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carbon emissions each year. Despite this, 95% of homeowners think that the heating of their own home is currently effective.
321:
2005 study sponsored by the Pilkington Energy Efficiency Trust indicated that the savings would only be in the region of 9%.
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253:(the amount of heat lost per square metre, for each degree Celsius of temperature difference between inside and outside).
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Proposals for amending Part L of the Building Regulations and Implementing the Energy Performance of Buildings Directive
75:
emissions in 2004 (40 million tonnes of carbon) up from 26.42% in 1990 as a proportion of the UK's total emissions. The
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98:) produced the highest emissions (8,092 kg of carbon dioxide per dwelling). This was 250% higher than housing in
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Ultimate parent company is not UK-based Integrated in the United States, no generation or supply activities in the UK
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389:(also commonly known as an EPC Certificate) before they are sold or let, in order to meet the requirements of the
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1729:, Home Builder's Federation, December 2006 press releases, published 15 December 2006. Retrieved 2 June 2008.
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set requirements for 'good practice' and 'advanced practice' for achieving lower energy buildings, while the
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study in 2004 indicating that 60% of new homes do not conform to existing regulations. A 2006 survey for the
79:
noted that emissions from housing could constitute over 55% of the UK's target for carbon emissions in 2050.
55:
1337:
127:, the Government announced their 'ambition' that all new homes will be 'zero-carbon' by 2016 (i.e. built to
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588:, built in the early 1980s, which continue to be 40% more efficient than the 2010 Building Regulations.
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397:' so that they can demonstrate the energy efficiency of the property, and is also included in the new
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standards have been increasing, so has the standard of home heating. In 1970, only 31% of homes had
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in 2002 & 2006, though with a lower limit of 0.3 or 0.27 for walls, and some other variations.
402:
276:). Despite this, UK insulation levels have been introduced later or remained lower compared to the
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In December 2006, the government announced their ambition that all new housing should be built to
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2088:"Beddington Zero (Fossil) Energy Development: Toolkit for Carbon Neutral Developments - Part II"
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1630:/ Energy Efficiency Partnership for Homes, published 10 November 2004. Retrieved 9 August 2007.
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was to be granted, lasting until 2012, for all new zero-carbon homes up to £500,000 in value.
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installations. As of January 2007 funding for grants is proving insufficient to meet demand.
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Originally, from June 2007, all homes (and other buildings) in the UK would have to undergo
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requirements within the Building Regulations (for earlier regulations, see separate section
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plus a requirement that the area of windows should not be more than 15% of the floor area.
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Official Journal of the European Communities, published 02-12-16. Retrieved 21 July 2016.
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Please help update this article to reflect recent events or newly available information.
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estimated the average carbon emissions for housing in each of the local authorities in
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560:), so the remaining stock is small. Much social housing has also been transferred to
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from 2016; i.e., that the carbon emitted during a typical year should be balanced by
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In the South, most local authority housing was sold off in the 1980s-90s under RTB (
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The EcoHouse in Leicester is to be renovated in 2011 to provide a demonstration of
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106:) which produced the least (averaging 3,255 kg). Among the 23 towns included,
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is an example of refurbishing an existing property to show the options available.
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One of the most important energy efficiency demonstration projects was the 1986
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Building Regulations, insulation standards were cut to the following U-values:
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for further information on policies from 1945 to 2016 and their effectiveness.
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standard, to which around 14,000 houses had been built in the 10 years to 1992.
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from around 25% in 1970 to about 30% in 2001, and remained on an upward trend (
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Housing Minister: Homes should exceed Scandinavian specifications in 10 years
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Landmark summit to determine how to deliver Government's environmental vision
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2204:"Arkitektur och byggd miljö: Institutionen för arkitektur och byggd miljö"
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Building Standards, which in 1983 was in advance of the UK 2002 standards.
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Energy Efficiency in Existing Buildings: The Role of Building Regulations
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European Energy Performance of Buildings Directive (Directive 2002/91/EC)
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Building a Greener Future: Towards Zero Carbon Development - Consultation
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UK Green Building Council, published 23 March 2011, accessed 4 April 2011
1775:"Government brings sustainability closer to home with new mandatory Code"
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Assessment of Energy Efficiency impact of Building Regulations Compliance
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European Energy Performance of Buildings Directive (Directive 2002/91/EC)
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90:, the first time that this had been done. This indicated that housing in
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programme specifies Silver and Gold standards, the latter approaching a
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Leeds Metropolitan University: York Energy Demonstration Project (1998)
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https://www.legislation.gov.uk/uksi/1965/1373/pdfs/uksi_19651373_en.pdf
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https://www.legislation.gov.uk/uksi/1972/317/pdfs/uksi_19720317_en.pdf
5225:
5061:
4821:
4614:
4463:
3942:
3802:
3645:
3549:
3339:
3257:
3222:
3182:
3177:
1946:, Government News Network, published 06-09-21. Retrieved 2 June 2008.
1884:
Building Regulations Energy efficiency requirements for new dwellings
1503:
901:
1.0 for exposed walls, floors and non-solid ground and exposed floors
687:
standard (the first to set demanding energy efficiency requirements).
650:
410:
58:
presents a possible opportunity for achieving the 20% overall cut in
1741:, Architects Journal, published 6 March 2008. Retrieved 2 June 2008.
1341:
6016:
4801:
4771:
4704:
4660:
4500:
4418:
4211:
4043:
3827:
3334:
3105:
1179:
1016:
740:
735:
525:
430:
199:
83:
5745:
Decarbonisation measures in proposed UK electricity market reform
5215:
5091:
5071:
5056:
4729:
4709:
4567:
4524:
4431:
3884:
3730:
3405:
3289:
3227:
3217:
3137:
3110:
1504:
Standard Assessment Procedure for Energy Rating of Dwellings 2005
1041:
766:
758:
717:
681:
514:
406:
2191:
1823:
Government's U turn on Zero Carbon is anti-green and anti-growth
5335:
4201:
3832:
3720:
3665:
3410:
3237:
3147:
3100:
3054:
1704:
UK to leap from 'laggard to leader' on carbon dioxide emissions
1640:
Part L1 - an investigation into the reasons for poor compliance
725:
698:
691:
592:
149:
103:
999:
0.20 or 0.25 for pitched roofs (depending on the construction)
471:
5942:
5664:
5505:
4665:
4645:
4482:
4038:
3807:
3232:
3197:
769:—some of the countries that have been prominent in research.
709:
205:
95:
1957:"Properties with higher EPC rating worth 7% more on average"
1739:
Government's 2016 zero-carbon homes target 'too unrealistic'
796:
Historic building regulations energy efficiency requirements
4088:
3152:
2074:
Thirty year old Salford homes make case for passive design
1937:
Cooper calls for incentives to improve home energy ratings
429:
Another rating scheme of note is the Government sponsored
370:
Building a Greener Future: Towards Zero Carbon Development
4488:
4397:
2507:
2477:
2143:
1720:
HBF welcomes Government's environmental vision on housing
1026:
While the u-value ceased being the sole consideration in
790:
UK Government policy for improving home energy efficiency
595:), a non-traditional housing scheme of 82 dwellings near
567:
4458:
2482:
2512:
Eco-targets at risk unless households cut resource use
1183:, published 20 February 2006. Retrieved 9 August 2007.
743:
standard, requiring virtually zero energy consumption.
676:
International comparisons of particular note include:
522:
Scottish Community and Household Renewables Initiative
3999:
Ministry of Housing, Communities and Local Government
2287:
House of Commons – Environmental Audit – First Report
1813:
WWF UK, published 4 April 2011, accessed 4 April 2011
1168:
Domestic Carbon Dioxide Emissions for Selected Cities
1117:
House of Commons – Environmental Audit – First Report
958:(Johnson, JA "Building Regulations Research Project")
393:. The scheme provides the owner or landlord with an '
185:
The figures for energy consumed by end use for 2003.
4069:
Chartered Institution of Civil Engineering Surveyors
2379:
DTI: Energy efficiency in the UK 1990-2000, pdf file
1874:, published 13 December 2006. Retrieved 1 June 2008.
1710:, published 24 February 2008. Retrieved 2 June 2008.
1037:
1694:, published 6 December 2006. Retrieved 2 June 2008.
708:Since then many more have been built in Canada, in
6012:Double Glazing & Conservatory Ombudsman Scheme
5816:
5680:Department for Environment, Food and Rural Affairs
2483:The Association for Environment Conscious Building
2355:
782:Review of the Sustainability of Existing Buildings
497:programmes. It offers grants towards the costs of
324:There are also concerns about enforcement, with a
2546:
1984:"Homes with a higher energy rating worth 7% more"
1804:Why we've resigned from the Zero Carbon Taskforce
1665:Time to put a stop to the disdain for regulations
584:scheme. Energy World was preceded by the earlier
131:standards). To encourage this, an exemption from
6085:
4355:
1848:, published 23 July 2004. Retrieved 2 June 2008.
1764:, published January 2008. Retrieved 2 June 2008.
1671:, published March 2006. Retrieved 9 August 2007.
1112:
1110:
1011:the limit on window area was raised again to 25%
971:0.45 for exposed walls, floors and ground floors
939:0.45 for exposed walls, floors and ground floors
450:Association for Environment Conscious Building's
264:These first limits were tightened following the
110:had the highest emissions (6,189 kg), with
4299:Town and country planning in the United Kingdom
4109:Electrical Contractors' Association of Scotland
1895:Department for Communities and Local Government
1872:Department for Communities and Local Government
1846:Department for Communities and Local Government
921:0.6 for exposed walls, floors and ground floors
917:saw the second tightening of these limits, to:
528:, which also offers grants towards the cost of
223:The Green Deal provided low interest loans for
5928:Centre for Renewable Energy Systems Technology
5730:Climate Change and Sustainable Energy Act 2006
4197:Association for Environment Conscious Building
2344:Solar Energy Applications in Houses, F Jäger,
2085:
1655:, published 3 May 2006. Retrieved 18 May 2007.
1418:"UK government's Green Deal to cut fuel bills"
1066:Climate Change and Sustainable Energy Act 2006
801:Loft insulation, recommended minimum depth of
5642:
4341:
4149:National Federation of Demolition Contractors
4139:National Access and Scaffolding Confederation
3040:
2532:
1897:, published July 2007. Retrieved 2 June 2008.
1107:
956:predicted that the actual figure would be 6%
155:In view of the progressive tightening of the
4034:British Constructional Steelwork Association
980:the limit on window area was raised to 22.5%
671:
489:was launched in 2006 to replace the earlier
5675:Department for Energy Security and Net Zero
5308:Timeline of the electricity supply industry
3974:Chief Construction Adviser to UK Government
3056:Construction industry of the United Kingdom
2037:Renewable Energy Association – News Article
6104:Sustainable building in the United Kingdom
5992:Association for the Conservation of Energy
4348:
4334:
4258:Building regulations in the United Kingdom
3047:
3033:
2539:
2525:
1669:Association for the Conservation of Energy
907:1.8 average for walls and windows combined
6099:Energy conservation in the United Kingdom
4273:Development control in the United Kingdom
4074:Civil Engineering Contractors Association
4049:Building Engineering Services Association
1981:
799:
772:
4164:Royal Institution of Chartered Surveyors
2466:Heriot-Watt University's Tarbase Project
2241:, published 1992. Retrieved 2 June 2008.
591:The Beddington Zero Energy Development (
470:
380:
235:
5979:
5795:United Kingdom Climate Change Programme
2338:
2076:Building4Change, published 29 June 2011
1856:
1854:
424:
231:
195:Water heating - 23.60% (25.23% in 1990)
118:
77:Select Committee on Environmental Audit
6086:
5371:United Kingdom Atomic Energy Authority
2449:Oxford University 40% House initiative
1552:: CS1 maint: archived copy as title (
1304:: CS1 maint: archived copy as title (
1153:: CS1 maint: archived copy as title (
1005:2.2 for metal framed doors and windows
142:
5978:
5815:
5695:Office of Gas and Electricity Markets
5641:
5266:Isle of Man to England Interconnector
5125:
4367:
4329:
3989:Infrastructure and Projects Authority
3028:
2918:Grants, Construction and Regeneration
2520:
2235:R-2000 Energy Efficiency Home Program
1493:Dwelling Carbon Dioxide Emission Rate
974:0.6 for semi-exposed walls and floors
568:Demonstration and pioneering projects
377:in 2010, 2013 and 2016 respectively.
240:Home energy performance rating charts
6119:Climate change in the United Kingdom
6022:Energy efficiency in British housing
5997:British Energy Efficiency Federation
5912:Utilities Intermediaries Association
5882:Association for Decentralised Energy
5293:New Electricity Trading Arrangements
5211:Association of Electricity Producers
5010:Scottish Hydro Electric Transmission
4243:British Construction Industry Awards
4217:Energy efficiency in British housing
1851:
1568:"Pilkington Energy Efficiency Trust"
1015:Similar limits were introduced into
17:
5516:Renewable Transport Fuel Obligation
4174:Society of Construction Arbitrators
4134:Institution of Structural Engineers
4104:Electrical Contractors' Association
3741:Sir Lindsay Parkinson & Company
2239:Energy, Mines and Resources, Canada
1338:"Jean Lambert Green MEP for London"
931:These limits were reduced again in
690:The SBN-80 (Svensk Bygg Norm) 1980
535:
290:energy policy of the United Kingdom
65:
13:
5166:Confederation of UK Coal Producers
5126:
5087:United Downs Deep Geothermal Power
4004:National Infrastructure Commission
3651:Cleveland Bridge & Engineering
2322:. Knauf Insulation. Archived from
2182:Leicester EcoHouse, published 2010
1071:Fuel poverty in the United Kingdom
339:
283:
14:
6130:
5851:Centre for Alternative Technology
5346:Nuclear Decommissioning Authority
4094:Construction Products Association
3979:Department for Business and Trade
2478:Centre for Alternative Technology
2412:
1248:"New homes to be 'zero emission'"
874:The u-value limits introduced in
542:Home Energy Conservation Act 1995
212:
6065:
5715:Carbon Emission Reduction Target
5434:Natural gas-fired power stations
4310:
4309:
4179:Strategic Forum for Construction
4064:Centre for Digital Built Britain
3009:
3008:
2316:"How much insulation do I need?"
2019:About Good and Advanced practice
1907:Communities and Local Government
1040:
954:Liverpool John Moores University
387:Energy Performance Certification
152:is higher at approximately 37%.
22:
6032:Energy Saving Trust Recommended
5846:Campaign against Climate Change
4154:National House Building Council
4144:National Federation of Builders
4059:Chartered Institute of Building
4054:Building Research Establishment
2390:
2372:
2361:The Building Regulations 1976,
2308:
2291:
2280:
2262:
2244:
2228:
2196:
2185:
2166:
2148:
2137:
2119:
2086:Nicole Lazarus (October 2003).
2079:
2067:
2041:
2030:
2012:
2001:
1975:
1949:
1930:
1918:
1900:
1877:
1835:
1816:
1797:
1767:
1744:
1732:
1713:
1697:
1674:
1658:
1633:
1623:Building Research Establishment
1604:
1586:
1560:
1514:
1509:Building Research Establishment
1497:
1486:
1468:
1458:
1447:
1436:
1410:
1392:
1374:
1356:
1330:
1008:2.0 for other doors and windows
755:Building Research Establishment
630:. Other technologies including
326:Building Research Establishment
5817:Non-governmental organisations
5760:Energy performance certificate
5444:North Sea Transition Authority
4278:Modern methods of construction
4129:Institution of Civil Engineers
2419:BRE: Domestic Energy Fact File
1312:
1266:
1240:
1222:
1204:
1186:
1161:
1121:
487:low carbon buildings programme
82:A 2006 report commissioned by
1:
6094:Housing in the United Kingdom
5948:Oil Depletion Analysis Centre
5933:Energy Technologies Institute
5770:Low Carbon Building Programme
5612:North Seas Energy Cooperation
5361:Office for Nuclear Regulation
4867:TotalEnergies Gas & Power
4368:
4263:Building regulations approval
4119:Federation of Master Builders
4084:Construction Industry Council
3984:Health & Safety Executive
3686:Holland, Hannen & Cubitts
3072:Economy of the United Kingdom
2676:Minister of State for Housing
2548:Housing in the United Kingdom
2144:South Yorkshire Energy Centre
2090:. BioRegional. Archived from
1982:Andrewguy (30 October 2020).
1593:Microsoft Word - Report A.doc
1193:Pre-Budget Report 2006: Index
1101:
1076:Housing in the United Kingdom
660:energy efficiency standards.
643:South Yorkshire Energy Centre
405:, which can damage sensitive
56:housing in the United Kingdom
5740:CRC Energy Efficiency Scheme
5552:Hydroelectric power stations
5424:National Transmission System
5331:Franco-British Nuclear Forum
4357:Energy in the United Kingdom
4169:Scottish Building Federation
3706:Leonard Fairclough & Son
2008:New Scientist, November 2005
1056:Energy in the United Kingdom
7:
6049:National Home Energy Rating
5892:Energy Networks Association
5602:List of offshore wind farms
5341:National Nuclear Laboratory
5326:Advanced Gas-cooled Reactor
5251:Grid Trade Master Agreement
4159:Refined Bitumen Association
4079:Construction Clients' Group
3746:Sir William Arrol & Co.
3590:Taylor Woodrow Construction
1033:
747:
582:National Home Energy Rating
176:domestic energy consumption
60:UK greenhouse gas emissions
10:
6135:
6007:Code for Sustainable Homes
5775:Non-Fossil Fuel Obligation
5750:Display Energy Certificate
5607:List of onshore wind farms
4974:Wales & West Utilities
4933:Western Power Distribution
4762:Engie Energy International
4207:Code for Sustainable Homes
2192:Sustainable Energy Academy
1086:Code for Sustainable Homes
942:0.6 for semi-exposed walls
924:1.0 for semi-exposed walls
904:1.7 for semi-exposed walls
893:, these were tightened in
478:
439:Code for Sustainable Homes
375:Code for Sustainable Homes
216:
6061:
5987:
5974:
5958:UK Energy Research Centre
5920:
5897:Energy Retail Association
5874:
5826:
5822:
5811:
5703:
5652:
5648:
5643:Government and regulation
5637:
5587:
5575:
5542:
5534:Geothermal power stations
5524:
5491:
5482:
5379:
5316:
5241:Energy switching services
5201:
5151:Coal-fired power stations
5136:
5132:
5121:
5100:
5049:
5023:
4995:
4986:
4941:
4898:
4889:
4792:
4747:
4738:
4697:
4688:
4628:
4607:
4472:
4451:
4440:
4380:
4376:
4363:
4307:
4235:
4227:UK Green Building Council
4187:
4114:Electrical Safety Council
4017:
3964:
3925:
3770:
3763:
3618:
3492:
3483:
3398:
3277:
3266:
3089:
3080:
3062:
3004:
2974:
2944:Housing and town planning
2943:
2835:
2828:
2704:
2614:
2593:
2572:
2554:
2459:27 September 2007 at the
2429:27 September 2007 at the
2402:25 September 2006 at the
2131:28 September 2007 at the
2024:25 September 2006 at the
1942:30 September 2007 at the
1645:28 September 2007 at the
1616:28 September 2007 at the
1598:25 September 2006 at the
1480:25 September 2006 at the
1406:UK Government Web Archive
1388:UK Government Web Archive
1370:UK Government Web Archive
1081:Post War Building Studies
1061:Insulate Britain protests
672:International comparisons
586:Salford low-energy houses
481:Energy Company Obligation
466:
403:compact fluorescent lamps
363:UK Green Building Council
334:Building Control Officers
272:for the first time. (see
192:- 60.51% (57.61% in 1990)
31:This article needs to be
6039:Greenhouse gas emissions
5938:Met Office Hadley Centre
5785:Renewable Heat Incentive
5725:Climate Change Agreement
5670:Climate Change Committee
5459:Oil-fired power stations
5414:Greenhouse gas emissions
5351:Nuclear Liabilities Fund
5221:East–West Interconnector
5171:Greenhouse gas emissions
4124:Home Builders Federation
3994:Local planning authority
3900:Tarmac Building Products
2717:Birmingham Back to Backs
2440:Domestic energy research
2384:17 February 2006 at the
1889:27 November 2008 at the
1756:8 September 2008 at the
1751:Zero-carbon construction
1725:20 February 2008 at the
202:- 13.15% (13.4% in 1990)
6002:Close the Door campaign
5953:Sunbury Research Centre
5720:Climate Change Act 2008
5399:Forties pipeline system
5256:Gridlink Interconnector
4099:Constructing Excellence
3818:Heidelberg Materials UK
3560:McLaughlin & Harvey
2500:Sep 2006, New Builder:
2397:2003 Energy White Paper
2274:3 February 2007 at the
2269:www.passivhaustagung.de
1324:9 December 2006 at the
1198:1 December 2006 at the
658:Retrofit for the Future
549:social housing and the
511:ground source heat pump
433:rating, mostly used in
5856:National Energy Action
5617:Wind power in Scotland
5511:Renewable Fuels Agency
5501:Biofuel power stations
5356:Nuclear power stations
4923:SSE Power Distribution
4908:Electricity North West
4588:Rockhopper Exploration
3933:Blue Circle Industries
2652:Reduction Bill 2016–17
2302:1 January 2007 at the
2160:1 January 2011 at the
2107:Cite journal requires
1681:Pre-Budget Report 2006
773:Existing housing stock
520:A similar scheme, the
476:
399:Home Information Packs
308:Dwellings (SAP 2005).
241:
5790:Renewables Obligation
5474:Petroleum Revenue Tax
4959:Northern Gas Networks
4767:Horizon Nuclear Power
4009:Planning Inspectorate
3701:John Brogden and Sons
3248:Turner & Townsend
2178:12 March 2012 at the
1866:16 March 2008 at the
1216:28 March 2007 at the
610:bedzed-seven-years-on
530:air source heat pumps
499:solar thermal heating
474:
435:public sector housing
381:Home energy labelling
346:zero-carbon standards
239:
123:In the December 2006
5449:Offshore Energies UK
5419:Hydrocarbon Oil Duty
5271:Moyle Interconnector
5193:Open-pit coal mining
3778:Aggregate Industries
3751:Trollope & Colls
3570:J. Murphy & Sons
2445:University of Oxford
2055:on 20 September 2006
1912:20 June 2006 at the
1828:23 July 2011 at the
1686:8 March 2008 at the
1404:16 July 2006 at the
1386:16 July 2006 at the
1368:16 July 2006 at the
1234:7 March 2007 at the
1173:26 June 2008 at the
638:and triple glazing.
562:housing associations
457:zero energy building
425:Other rating schemes
356:On 1 April 2011 the
232:Building regulations
157:Building Regulations
129:zero-carbon building
119:Zero carbon ambition
6109:Residential heating
6027:Energy Saving Trust
5981:Energy conservation
5735:Climate Change Levy
5685:Energy Saving Trust
5597:Offshore wind power
5236:Electricity billing
5186:National Coal Board
5161:Coal mining regions
4964:Phoenix Natural Gas
4857:Phoenix Natural Gas
4641:Amec Foster Wheeler
4289:Planning permission
4222:Good Homes Alliance
3696:John Aird & Co.
3575:Sir Robert McAlpine
3451:Stewart Milne Group
2669:Housing Corporation
2559:Housing in Scotland
2256:26 May 2006 at the
1961:Mortgage Introducer
1809:13 May 2011 at the
1652:Energy Saving Trust
1628:Energy Saving Trust
1286:on 11 December 2006
1211:Budget 2007: Speech
1135:on 15 February 2006
1091:Energy Saving Trust
1002:0.16 for flat roofs
805:
632:solar water heating
558:Right to buy scheme
446:Energy Saving Trust
330:Energy Saving Trust
143:Domestic energy use
133:Stamp duty land tax
5861:Stop Climate Chaos
5690:Environment Agency
5464:Oil infrastructure
5429:Natural gas fields
5409:Gas infrastructure
5261:HVDC Cross-Channel
5015:SP Energy Networks
4918:SP Energy Networks
4913:Northern Powergrid
4284:New Civil Engineer
3116:Architecture firms
2829:Parliamentary acts
2771:Reema construction
2155:Leicester EcoHouse
1785:on 5 February 2017
1620:, prepared by the
1424:. 23 November 2011
800:
665:Old Home SuperHome
616:The Green Building
503:small wind turbine
477:
417:highly in an EPC.
242:
6114:Energy efficiency
6081:
6080:
6057:
6056:
5970:
5969:
5966:
5965:
5902:Green Power Forum
5807:
5806:
5803:
5802:
5780:Planning Act 2008
5633:
5632:
5629:
5628:
5625:
5624:
5246:Green electricity
5117:
5116:
5113:
5112:
5108:
5045:
5044:
5041:
5040:
4982:
4981:
4928:UK Power Networks
4885:
4884:
4877:Utility Warehouse
4847:Outfox the Market
4783:Vedanta Resources
4684:
4683:
4555:Melrose Resources
4548:JKX Oil & Gas
4541:Hardy Oil and Gas
4323:
4322:
4268:Construction News
3967:regulatory bodies
3960:
3959:
3956:
3955:
3907:Tata Steel Europe
3843:Kingspan Off-Site
3759:
3758:
3726:Pauling & Co.
3600:VolkerFitzpatrick
3479:
3478:
3022:
3021:
3000:
2999:
2627:Energy efficiency
2251:Welcome to R-2000
2126:Civic Trust Award
1963:. 29 October 2020
1534:on 6 October 2006
1254:. 6 December 2006
872:
871:
546:local authorities
485:The Government's
294:energy efficiency
225:energy efficiency
125:Pre-Budget Report
52:
51:
6126:
6069:
6068:
5976:
5975:
5887:Energy Institute
5824:
5823:
5813:
5812:
5765:Fossil Fuel Levy
5650:
5649:
5639:
5638:
5544:Hydroelectricity
5489:
5488:
5134:
5133:
5123:
5122:
5102:
5067:Aquamarine Power
4993:
4992:
4896:
4895:
4745:
4744:
4695:
4694:
4512:Desire Petroleum
4495:Capricorn Energy
4449:
4448:
4378:
4377:
4365:
4364:
4350:
4343:
4336:
4327:
4326:
4313:
4312:
4253:Building control
3860:Painter Brothers
3768:
3767:
3580:Speller Metcalfe
3490:
3489:
3275:
3274:
3087:
3086:
3049:
3042:
3035:
3026:
3025:
3012:
3011:
2833:
2832:
2815:Weavers' cottage
2594:Cities and towns
2564:Housing in Wales
2541:
2534:
2527:
2518:
2517:
2407:
2394:
2388:
2376:
2370:
2359:
2353:
2342:
2336:
2335:
2333:
2331:
2312:
2306:
2295:
2289:
2284:
2278:
2266:
2260:
2248:
2242:
2232:
2226:
2225:
2223:
2221:
2215:
2209:. Archived from
2208:
2200:
2194:
2189:
2183:
2173:Architects Brief
2170:
2164:
2152:
2146:
2141:
2135:
2123:
2117:
2116:
2110:
2105:
2103:
2095:
2094:on 28 July 2009.
2083:
2077:
2071:
2065:
2064:
2062:
2060:
2051:. Archived from
2045:
2039:
2034:
2028:
2016:
2010:
2005:
1999:
1998:
1996:
1994:
1979:
1973:
1972:
1970:
1968:
1953:
1947:
1934:
1928:
1922:
1916:
1904:
1898:
1881:
1875:
1858:
1849:
1839:
1833:
1820:
1814:
1801:
1795:
1794:
1792:
1790:
1781:. Archived from
1771:
1765:
1748:
1742:
1736:
1730:
1717:
1711:
1701:
1695:
1678:
1672:
1662:
1656:
1637:
1631:
1608:
1602:
1590:
1584:
1583:
1581:
1579:
1570:. Archived from
1564:
1558:
1557:
1551:
1543:
1541:
1539:
1533:
1527:. Archived from
1526:
1518:
1512:
1501:
1495:
1490:
1484:
1472:
1466:
1462:
1456:
1451:
1445:
1440:
1434:
1433:
1431:
1429:
1414:
1408:
1396:
1390:
1378:
1372:
1360:
1354:
1353:
1351:
1349:
1340:. Archived from
1334:
1328:
1316:
1310:
1309:
1303:
1295:
1293:
1291:
1285:
1279:. Archived from
1278:
1270:
1264:
1263:
1261:
1259:
1244:
1238:
1226:
1220:
1208:
1202:
1190:
1184:
1165:
1159:
1158:
1152:
1144:
1142:
1140:
1131:. Archived from
1125:
1119:
1114:
1050:
1045:
1044:
806:
647:Heeley City Farm
536:Local government
350:renewable energy
66:Carbon emissions
47:
44:
38:
26:
25:
18:
6134:
6133:
6129:
6128:
6127:
6125:
6124:
6123:
6084:
6083:
6082:
6077:
6066:
6053:
5983:
5962:
5916:
5875:Industry bodies
5870:
5829:pressure groups
5828:
5818:
5799:
5755:Energy Act 2013
5706:
5705:Legislation and
5699:
5644:
5621:
5583:
5571:
5538:
5520:
5478:
5375:
5312:
5286:Reserve Service
5197:
5128:
5109:
5096:
5037:
5019:
4978:
4937:
4881:
4788:
4740:
4734:
4680:
4656:John Wood Group
4624:
4620:Murco Petroleum
4603:
4581:Regal Petroleum
4474:
4468:
4443:
4436:
4372:
4359:
4354:
4324:
4319:
4303:
4231:
4183:
4020:
4013:
3966:
3952:
3921:
3755:
3716:Melville Dundas
3626:Alfred McAlpine
3614:
3595:Tilbury Douglas
3485:
3475:
3394:
3325:Crest Nicholson
3269:
3262:
3203:Pell Frischmann
3093:
3091:
3076:
3058:
3053:
3023:
3018:
2996:
2975:Working classes
2970:
2939:
2824:
2798:Two-up two-down
2776:Wimpey no-fines
2729:English country
2700:
2610:
2589:
2568:
2550:
2545:
2494:Jan 2007, HBF:
2461:Wayback Machine
2431:Wayback Machine
2415:
2410:
2404:Wayback Machine
2395:
2391:
2386:Wayback Machine
2377:
2373:
2360:
2356:
2343:
2339:
2329:
2327:
2326:on 17 July 2011
2320:thinkinsulation
2314:
2313:
2309:
2304:Wayback Machine
2296:
2292:
2285:
2281:
2276:Wayback Machine
2267:
2263:
2258:Wayback Machine
2249:
2245:
2233:
2229:
2219:
2217:
2216:on 19 July 2011
2213:
2206:
2202:
2201:
2197:
2190:
2186:
2180:Wayback Machine
2171:
2167:
2162:Wayback Machine
2153:
2149:
2142:
2138:
2133:Wayback Machine
2124:
2120:
2108:
2106:
2097:
2096:
2084:
2080:
2072:
2068:
2058:
2056:
2047:
2046:
2042:
2035:
2031:
2026:Wayback Machine
2017:
2013:
2006:
2002:
1992:
1990:
1980:
1976:
1966:
1964:
1955:
1954:
1950:
1944:Wayback Machine
1935:
1931:
1923:
1919:
1914:Wayback Machine
1905:
1901:
1891:Wayback Machine
1882:
1878:
1868:Wayback Machine
1859:
1852:
1840:
1836:
1830:Wayback Machine
1821:
1817:
1811:Wayback Machine
1802:
1798:
1788:
1786:
1773:
1772:
1768:
1758:Wayback Machine
1749:
1745:
1737:
1733:
1727:Wayback Machine
1718:
1714:
1708:The Independent
1702:
1698:
1688:Wayback Machine
1679:
1675:
1663:
1659:
1647:Wayback Machine
1638:
1634:
1618:Wayback Machine
1609:
1605:
1600:Wayback Machine
1591:
1587:
1577:
1575:
1566:
1565:
1561:
1545:
1544:
1537:
1535:
1531:
1524:
1522:"Archived copy"
1520:
1519:
1515:
1502:
1498:
1491:
1487:
1482:Wayback Machine
1475:BERR – Redirect
1473:
1469:
1463:
1459:
1452:
1448:
1441:
1437:
1427:
1425:
1416:
1415:
1411:
1397:
1393:
1379:
1375:
1361:
1357:
1347:
1345:
1344:on 21 June 2022
1336:
1335:
1331:
1326:Wayback Machine
1317:
1313:
1297:
1296:
1289:
1287:
1283:
1276:
1274:"Archived copy"
1272:
1271:
1267:
1257:
1255:
1246:
1245:
1241:
1236:Wayback Machine
1227:
1223:
1218:Wayback Machine
1209:
1205:
1200:Wayback Machine
1191:
1187:
1175:Wayback Machine
1166:
1162:
1146:
1145:
1138:
1136:
1129:"Archived copy"
1127:
1126:
1122:
1115:
1108:
1104:
1046:
1039:
1036:
996:0.25 for floors
891:1973 oil crisis
798:
775:
750:
674:
606:superinsulation
570:
538:
483:
475:Rooftop turbine
469:
427:
383:
342:
340:Further changes
286:
284:Changes in 2006
266:1973 oil crisis
234:
221:
215:
208:- 2.74% (3.76%)
198:Appliances and
168:central heating
145:
121:
68:
48:
42:
39:
36:
27:
23:
12:
11:
5:
6132:
6122:
6121:
6116:
6111:
6106:
6101:
6096:
6079:
6078:
6076:
6075:
6062:
6059:
6058:
6055:
6054:
6052:
6051:
6046:
6041:
6036:
6035:
6034:
6024:
6019:
6014:
6009:
6004:
5999:
5994:
5988:
5985:
5984:
5972:
5971:
5968:
5967:
5964:
5963:
5961:
5960:
5955:
5950:
5945:
5940:
5935:
5930:
5924:
5922:
5918:
5917:
5915:
5914:
5909:
5904:
5899:
5894:
5889:
5884:
5878:
5876:
5872:
5871:
5869:
5868:
5866:Tyndall Centre
5863:
5858:
5853:
5848:
5843:
5838:
5832:
5830:
5820:
5819:
5809:
5808:
5805:
5804:
5801:
5800:
5798:
5797:
5792:
5787:
5782:
5777:
5772:
5767:
5762:
5757:
5752:
5747:
5742:
5737:
5732:
5727:
5722:
5717:
5711:
5709:
5701:
5700:
5698:
5697:
5692:
5687:
5682:
5677:
5672:
5667:
5662:
5656:
5654:
5646:
5645:
5635:
5634:
5631:
5630:
5627:
5626:
5623:
5622:
5620:
5619:
5614:
5609:
5604:
5599:
5593:
5591:
5585:
5584:
5581:
5579:
5573:
5572:
5570:
5569:
5564:
5562:Severn Barrage
5559:
5557:Mersey Barrage
5554:
5548:
5546:
5540:
5539:
5537:
5536:
5530:
5528:
5522:
5521:
5519:
5518:
5513:
5508:
5503:
5497:
5495:
5486:
5480:
5479:
5477:
5476:
5471:
5469:Oil refineries
5466:
5461:
5456:
5451:
5446:
5441:
5436:
5431:
5426:
5421:
5416:
5411:
5406:
5401:
5396:
5391:
5385:
5383:
5377:
5376:
5374:
5373:
5368:
5363:
5358:
5353:
5348:
5343:
5338:
5333:
5328:
5322:
5320:
5314:
5313:
5311:
5310:
5305:
5303:Power stations
5300:
5298:North Sea Link
5295:
5290:
5289:
5288:
5283:
5273:
5268:
5263:
5258:
5253:
5248:
5243:
5238:
5233:
5228:
5223:
5218:
5213:
5207:
5205:
5199:
5198:
5196:
5195:
5190:
5189:
5188:
5183:
5181:miners' strike
5173:
5168:
5163:
5158:
5153:
5148:
5146:Coal Authority
5142:
5140:
5130:
5129:
5127:Energy sources
5119:
5118:
5115:
5114:
5111:
5110:
5101:
5098:
5097:
5095:
5094:
5089:
5084:
5079:
5074:
5069:
5064:
5059:
5053:
5051:
5047:
5046:
5043:
5042:
5039:
5038:
5036:
5035:
5029:
5027:
5021:
5020:
5018:
5017:
5012:
5007:
5001:
4999:
4990:
4984:
4983:
4980:
4979:
4977:
4976:
4971:
4966:
4961:
4956:
4951:
4945:
4943:
4939:
4938:
4936:
4935:
4930:
4925:
4920:
4915:
4910:
4904:
4902:
4893:
4887:
4886:
4883:
4882:
4880:
4879:
4874:
4872:Utilita Energy
4869:
4864:
4859:
4854:
4849:
4844:
4839:
4837:Octopus Energy
4834:
4829:
4824:
4819:
4814:
4809:
4807:Bristol Energy
4804:
4798:
4796:
4790:
4789:
4787:
4786:
4779:
4774:
4769:
4764:
4759:
4753:
4751:
4742:
4736:
4735:
4733:
4732:
4727:
4722:
4717:
4712:
4707:
4701:
4699:
4692:
4686:
4685:
4682:
4681:
4679:
4678:
4673:
4668:
4663:
4658:
4653:
4648:
4643:
4638:
4632:
4630:
4626:
4625:
4623:
4622:
4617:
4611:
4609:
4605:
4604:
4602:
4601:
4596:
4591:
4584:
4577:
4570:
4565:
4558:
4551:
4544:
4537:
4535:Harbour Energy
4532:
4527:
4522:
4519:Emerald Energy
4515:
4508:
4506:Dana Petroleum
4503:
4498:
4491:
4486:
4478:
4476:
4475:and production
4470:
4469:
4467:
4466:
4461:
4455:
4453:
4446:
4438:
4437:
4435:
4434:
4429:
4422:
4415:
4408:
4401:
4394:
4391:Anglo American
4386:
4384:
4374:
4373:
4361:
4360:
4353:
4352:
4345:
4338:
4330:
4321:
4320:
4308:
4305:
4304:
4302:
4301:
4296:
4291:
4286:
4281:
4275:
4270:
4265:
4260:
4255:
4250:
4245:
4239:
4237:
4233:
4232:
4230:
4229:
4224:
4219:
4214:
4209:
4204:
4199:
4193:
4191:
4189:Sustainability
4185:
4184:
4182:
4181:
4176:
4171:
4166:
4161:
4156:
4151:
4146:
4141:
4136:
4131:
4126:
4121:
4116:
4111:
4106:
4101:
4096:
4091:
4086:
4081:
4076:
4071:
4066:
4061:
4056:
4051:
4046:
4041:
4036:
4031:
4025:
4023:
4015:
4014:
4012:
4011:
4006:
4001:
3996:
3991:
3986:
3981:
3976:
3970:
3968:
3965:Government and
3962:
3961:
3958:
3957:
3954:
3953:
3951:
3950:
3945:
3940:
3935:
3929:
3927:
3923:
3922:
3920:
3919:
3914:
3912:Travis Perkins
3909:
3904:
3903:
3902:
3892:
3887:
3882:
3877:
3872:
3867:
3862:
3857:
3855:Mero-Schmidlin
3852:
3847:
3846:
3845:
3835:
3830:
3825:
3820:
3815:
3810:
3805:
3800:
3795:
3790:
3785:
3780:
3774:
3772:
3765:
3761:
3760:
3757:
3756:
3754:
3753:
3748:
3743:
3738:
3733:
3728:
3723:
3718:
3713:
3708:
3703:
3698:
3693:
3688:
3683:
3680:Higgs and Hill
3673:
3668:
3663:
3658:
3653:
3648:
3643:
3638:
3633:
3628:
3622:
3620:
3616:
3615:
3613:
3612:
3610:Willmott Dixon
3607:
3602:
3597:
3592:
3587:
3582:
3577:
3572:
3567:
3565:Morgan Sindall
3562:
3557:
3552:
3547:
3545:Laing O'Rourke
3542:
3537:
3532:
3527:
3522:
3517:
3512:
3507:
3502:
3500:Balfour Beatty
3496:
3494:
3487:
3481:
3480:
3477:
3476:
3474:
3473:
3468:
3463:
3458:
3456:Taylor Woodrow
3453:
3448:
3443:
3438:
3433:
3428:
3423:
3418:
3413:
3408:
3402:
3400:
3396:
3395:
3393:
3392:
3387:
3382:
3377:
3372:
3367:
3362:
3357:
3352:
3347:
3345:McCarthy Stone
3342:
3337:
3332:
3327:
3322:
3317:
3315:Charles Church
3312:
3307:
3302:
3297:
3292:
3287:
3281:
3279:
3272:
3264:
3263:
3261:
3260:
3255:
3250:
3245:
3240:
3235:
3230:
3225:
3220:
3215:
3213:Mott MacDonald
3210:
3205:
3200:
3195:
3190:
3185:
3180:
3175:
3170:
3165:
3160:
3155:
3150:
3145:
3140:
3135:
3134:
3133:
3131:Faithful+Gould
3123:
3118:
3113:
3108:
3103:
3097:
3095:
3084:
3078:
3077:
3075:
3074:
3069:
3063:
3060:
3059:
3052:
3051:
3044:
3037:
3029:
3020:
3019:
3017:
3016:
3005:
3002:
3001:
2998:
2997:
2995:
2994:
2989:
2984:
2978:
2976:
2972:
2971:
2969:
2968:
2963:
2958:
2953:
2947:
2945:
2941:
2940:
2938:
2937:
2932:
2927:
2922:
2921:
2920:
2910:
2905:
2900:
2895:
2890:
2885:
2880:
2875:
2870:
2865:
2860:
2855:
2850:
2845:
2839:
2837:
2830:
2826:
2825:
2823:
2822:
2817:
2812:
2807:
2802:
2801:
2800:
2795:
2793:Pre-regulation
2790:
2780:
2779:
2778:
2773:
2768:
2763:
2753:
2748:
2743:
2738:
2737:
2736:
2726:
2721:
2720:
2719:
2708:
2706:
2702:
2701:
2699:
2698:
2693:
2691:Slum clearance
2688:
2683:
2681:Public Housing
2678:
2673:
2672:
2671:
2661:
2660:
2659:
2654:
2649:
2644:
2639:
2629:
2624:
2618:
2616:
2612:
2611:
2609:
2608:
2603:
2597:
2595:
2591:
2590:
2588:
2587:
2582:
2576:
2574:
2570:
2569:
2567:
2566:
2561:
2555:
2552:
2551:
2544:
2543:
2536:
2529:
2521:
2515:
2514:
2504:
2498:
2491:
2490:
2486:
2485:
2480:
2474:
2473:
2469:
2468:
2463:
2451:
2442:
2433:
2421:
2414:
2413:External links
2411:
2409:
2408:
2389:
2371:
2354:
2337:
2307:
2290:
2279:
2261:
2243:
2227:
2195:
2184:
2165:
2147:
2136:
2118:
2109:|journal=
2078:
2066:
2040:
2029:
2011:
2000:
1974:
1948:
1929:
1917:
1899:
1876:
1850:
1834:
1815:
1796:
1766:
1743:
1731:
1712:
1696:
1673:
1657:
1632:
1603:
1585:
1559:
1513:
1496:
1485:
1467:
1457:
1446:
1435:
1409:
1391:
1373:
1355:
1329:
1311:
1265:
1239:
1229:Green Building
1221:
1203:
1185:
1160:
1120:
1105:
1103:
1100:
1099:
1098:
1093:
1088:
1083:
1078:
1073:
1068:
1063:
1058:
1052:
1051:
1035:
1032:
1013:
1012:
1009:
1006:
1003:
1000:
997:
994:
993:0.35 for walls
982:
981:
978:
977:0.25 for roofs
975:
972:
950:
949:
946:
945:0.25 for roofs
943:
940:
929:
928:
927:0.35 for roofs
925:
922:
912:
911:
908:
905:
902:
889:Following the
887:
886:
883:
870:
869:
866:
862:
861:
858:
854:
853:
850:
846:
845:
842:
838:
837:
834:
830:
829:
826:
822:
821:
818:
814:
813:
812:Minimum depth
810:
797:
794:
774:
771:
749:
746:
745:
744:
731:The voluntary
729:
716:The voluntary
706:
705:
697:The voluntary
695:
688:
673:
670:
576:exhibition in
569:
566:
537:
534:
468:
465:
426:
423:
382:
379:
341:
338:
332:revealed that
285:
282:
270:double glazing
233:
230:
219:The Green Deal
217:Main article:
214:
213:The Green Deal
211:
210:
209:
203:
196:
193:
144:
141:
120:
117:
73:carbon dioxide
67:
64:
50:
49:
30:
28:
21:
9:
6:
4:
3:
2:
6131:
6120:
6117:
6115:
6112:
6110:
6107:
6105:
6102:
6100:
6097:
6095:
6092:
6091:
6089:
6074:
6073:
6064:
6063:
6060:
6050:
6047:
6045:
6042:
6040:
6037:
6033:
6030:
6029:
6028:
6025:
6023:
6020:
6018:
6015:
6013:
6010:
6008:
6005:
6003:
6000:
5998:
5995:
5993:
5990:
5989:
5986:
5982:
5977:
5973:
5959:
5956:
5954:
5951:
5949:
5946:
5944:
5941:
5939:
5936:
5934:
5931:
5929:
5926:
5925:
5923:
5919:
5913:
5910:
5908:
5905:
5903:
5900:
5898:
5895:
5893:
5890:
5888:
5885:
5883:
5880:
5879:
5877:
5873:
5867:
5864:
5862:
5859:
5857:
5854:
5852:
5849:
5847:
5844:
5842:
5839:
5837:
5834:
5833:
5831:
5827:Charities and
5825:
5821:
5814:
5810:
5796:
5793:
5791:
5788:
5786:
5783:
5781:
5778:
5776:
5773:
5771:
5768:
5766:
5763:
5761:
5758:
5756:
5753:
5751:
5748:
5746:
5743:
5741:
5738:
5736:
5733:
5731:
5728:
5726:
5723:
5721:
5718:
5716:
5713:
5712:
5710:
5708:
5702:
5696:
5693:
5691:
5688:
5686:
5683:
5681:
5678:
5676:
5673:
5671:
5668:
5666:
5663:
5661:
5658:
5657:
5655:
5653:Organisations
5651:
5647:
5640:
5636:
5618:
5615:
5613:
5610:
5608:
5605:
5603:
5600:
5598:
5595:
5594:
5592:
5590:
5586:
5580:
5578:
5574:
5568:
5565:
5563:
5560:
5558:
5555:
5553:
5550:
5549:
5547:
5545:
5541:
5535:
5532:
5531:
5529:
5527:
5523:
5517:
5514:
5512:
5509:
5507:
5504:
5502:
5499:
5498:
5496:
5494:
5490:
5487:
5485:
5481:
5475:
5472:
5470:
5467:
5465:
5462:
5460:
5457:
5455:
5452:
5450:
5447:
5445:
5442:
5440:
5439:North Sea oil
5437:
5435:
5432:
5430:
5427:
5425:
5422:
5420:
5417:
5415:
5412:
5410:
5407:
5405:
5404:Fuel protests
5402:
5400:
5397:
5395:
5392:
5390:
5387:
5386:
5384:
5382:
5378:
5372:
5369:
5367:
5364:
5362:
5359:
5357:
5354:
5352:
5349:
5347:
5344:
5342:
5339:
5337:
5334:
5332:
5329:
5327:
5324:
5323:
5321:
5319:
5315:
5309:
5306:
5304:
5301:
5299:
5296:
5294:
5291:
5287:
5284:
5282:
5279:
5278:
5277:
5276:National Grid
5274:
5272:
5269:
5267:
5264:
5262:
5259:
5257:
5254:
5252:
5249:
5247:
5244:
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5237:
5234:
5232:
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5224:
5222:
5219:
5217:
5214:
5212:
5209:
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5200:
5194:
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5182:
5179:
5178:
5177:
5174:
5172:
5169:
5167:
5164:
5162:
5159:
5157:
5154:
5152:
5149:
5147:
5144:
5143:
5141:
5139:
5135:
5131:
5124:
5120:
5106:
5099:
5093:
5090:
5088:
5085:
5083:
5080:
5078:
5075:
5073:
5070:
5068:
5065:
5063:
5060:
5058:
5055:
5054:
5052:
5048:
5034:
5033:National Grid
5031:
5030:
5028:
5026:
5022:
5016:
5013:
5011:
5008:
5006:
5005:National Grid
5003:
5002:
5000:
4998:
4994:
4991:
4989:
4985:
4975:
4972:
4970:
4967:
4965:
4962:
4960:
4957:
4955:
4954:Firmus Energy
4952:
4950:
4947:
4946:
4944:
4940:
4934:
4931:
4929:
4926:
4924:
4921:
4919:
4916:
4914:
4911:
4909:
4906:
4905:
4903:
4901:
4897:
4894:
4892:
4888:
4878:
4875:
4873:
4870:
4868:
4865:
4863:
4860:
4858:
4855:
4853:
4850:
4848:
4845:
4843:
4840:
4838:
4835:
4833:
4830:
4828:
4827:Firmus Energy
4825:
4823:
4820:
4818:
4815:
4813:
4810:
4808:
4805:
4803:
4800:
4799:
4797:
4795:
4791:
4785:
4784:
4780:
4778:
4777:Vattenfall UK
4775:
4773:
4770:
4768:
4765:
4763:
4760:
4758:
4755:
4754:
4752:
4750:
4746:
4743:
4737:
4731:
4728:
4726:
4725:ScottishPower
4723:
4721:
4718:
4716:
4713:
4711:
4708:
4706:
4703:
4702:
4700:
4696:
4693:
4691:
4687:
4677:
4674:
4672:
4669:
4667:
4664:
4662:
4659:
4657:
4654:
4652:
4649:
4647:
4644:
4642:
4639:
4637:
4634:
4633:
4631:
4627:
4621:
4618:
4616:
4613:
4612:
4610:
4606:
4600:
4597:
4595:
4592:
4590:
4589:
4585:
4583:
4582:
4578:
4576:
4575:
4574:Pharos Energy
4571:
4569:
4566:
4564:
4563:
4559:
4557:
4556:
4552:
4550:
4549:
4545:
4543:
4542:
4538:
4536:
4533:
4531:
4528:
4526:
4523:
4521:
4520:
4516:
4514:
4513:
4509:
4507:
4504:
4502:
4499:
4497:
4496:
4492:
4490:
4487:
4485:
4484:
4480:
4479:
4477:
4471:
4465:
4462:
4460:
4457:
4456:
4454:
4450:
4447:
4445:
4439:
4433:
4430:
4428:
4427:
4423:
4421:
4420:
4416:
4414:
4413:
4412:GCM Resources
4409:
4407:
4406:
4402:
4400:
4399:
4395:
4393:
4392:
4388:
4387:
4385:
4383:
4379:
4375:
4371:
4366:
4362:
4358:
4351:
4346:
4344:
4339:
4337:
4332:
4331:
4328:
4318:
4317:
4306:
4300:
4297:
4295:
4292:
4290:
4287:
4285:
4282:
4279:
4276:
4274:
4271:
4269:
4266:
4264:
4261:
4259:
4256:
4254:
4251:
4249:
4246:
4244:
4241:
4240:
4238:
4234:
4228:
4225:
4223:
4220:
4218:
4215:
4213:
4210:
4208:
4205:
4203:
4200:
4198:
4195:
4194:
4192:
4190:
4186:
4180:
4177:
4175:
4172:
4170:
4167:
4165:
4162:
4160:
4157:
4155:
4152:
4150:
4147:
4145:
4142:
4140:
4137:
4135:
4132:
4130:
4127:
4125:
4122:
4120:
4117:
4115:
4112:
4110:
4107:
4105:
4102:
4100:
4097:
4095:
4092:
4090:
4087:
4085:
4082:
4080:
4077:
4075:
4072:
4070:
4067:
4065:
4062:
4060:
4057:
4055:
4052:
4050:
4047:
4045:
4042:
4040:
4037:
4035:
4032:
4030:
4027:
4026:
4024:
4022:
4016:
4010:
4007:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3987:
3985:
3982:
3980:
3977:
3975:
3972:
3971:
3969:
3963:
3949:
3946:
3944:
3941:
3939:
3936:
3934:
3931:
3930:
3928:
3924:
3918:
3915:
3913:
3910:
3908:
3905:
3901:
3898:
3897:
3896:
3893:
3891:
3888:
3886:
3883:
3881:
3878:
3876:
3873:
3871:
3868:
3866:
3863:
3861:
3858:
3856:
3853:
3851:
3848:
3844:
3841:
3840:
3839:
3836:
3834:
3831:
3829:
3826:
3824:
3821:
3819:
3816:
3814:
3811:
3809:
3806:
3804:
3801:
3799:
3796:
3794:
3791:
3789:
3786:
3784:
3781:
3779:
3776:
3775:
3773:
3769:
3766:
3762:
3752:
3749:
3747:
3744:
3742:
3739:
3737:
3734:
3732:
3729:
3727:
3724:
3722:
3719:
3717:
3714:
3712:
3709:
3707:
3704:
3702:
3699:
3697:
3694:
3692:
3689:
3687:
3684:
3681:
3677:
3674:
3672:
3669:
3667:
3664:
3662:
3661:Connaught plc
3659:
3657:
3654:
3652:
3649:
3647:
3644:
3642:
3639:
3637:
3634:
3632:
3629:
3627:
3624:
3623:
3621:
3617:
3611:
3608:
3606:
3603:
3601:
3598:
3596:
3593:
3591:
3588:
3586:
3583:
3581:
3578:
3576:
3573:
3571:
3568:
3566:
3563:
3561:
3558:
3556:
3553:
3551:
3548:
3546:
3543:
3541:
3538:
3536:
3533:
3531:
3528:
3526:
3525:Galliford Try
3523:
3521:
3518:
3516:
3513:
3511:
3508:
3506:
3505:BAM Construct
3503:
3501:
3498:
3497:
3495:
3491:
3488:
3482:
3472:
3471:Wilson Bowden
3469:
3467:
3466:William Leech
3464:
3462:
3459:
3457:
3454:
3452:
3449:
3447:
3444:
3442:
3439:
3437:
3434:
3432:
3431:George Wimpey
3429:
3427:
3424:
3422:
3419:
3417:
3414:
3412:
3409:
3407:
3404:
3403:
3401:
3397:
3391:
3388:
3386:
3383:
3381:
3378:
3376:
3375:Telford Homes
3373:
3371:
3370:Taylor Wimpey
3368:
3366:
3363:
3361:
3358:
3356:
3353:
3351:
3348:
3346:
3343:
3341:
3338:
3336:
3333:
3331:
3328:
3326:
3323:
3321:
3318:
3316:
3313:
3311:
3308:
3306:
3303:
3301:
3298:
3296:
3293:
3291:
3288:
3286:
3283:
3282:
3280:
3276:
3273:
3271:
3265:
3259:
3256:
3254:
3251:
3249:
3246:
3244:
3241:
3239:
3236:
3234:
3231:
3229:
3226:
3224:
3221:
3219:
3216:
3214:
3211:
3209:
3206:
3204:
3201:
3199:
3196:
3194:
3191:
3189:
3186:
3184:
3181:
3179:
3176:
3174:
3171:
3169:
3166:
3164:
3161:
3159:
3156:
3154:
3151:
3149:
3146:
3144:
3141:
3139:
3136:
3132:
3129:
3128:
3127:
3124:
3122:
3119:
3117:
3114:
3112:
3109:
3107:
3104:
3102:
3099:
3098:
3096:
3090:Consultancies
3088:
3085:
3083:
3079:
3073:
3070:
3068:
3065:
3064:
3061:
3057:
3050:
3045:
3043:
3038:
3036:
3031:
3030:
3027:
3015:
3007:
3006:
3003:
2993:
2990:
2988:
2985:
2983:
2980:
2979:
2977:
2973:
2967:
2964:
2962:
2959:
2957:
2954:
2952:
2949:
2948:
2946:
2942:
2936:
2933:
2931:
2928:
2926:
2923:
2919:
2916:
2915:
2914:
2911:
2909:
2906:
2904:
2901:
2899:
2896:
2894:
2891:
2889:
2886:
2884:
2881:
2879:
2876:
2874:
2871:
2869:
2866:
2864:
2861:
2859:
2856:
2854:
2851:
2849:
2846:
2844:
2841:
2840:
2838:
2834:
2831:
2827:
2821:
2818:
2816:
2813:
2811:
2808:
2806:
2803:
2799:
2796:
2794:
2791:
2789:
2786:
2785:
2784:
2781:
2777:
2774:
2772:
2769:
2767:
2764:
2762:
2759:
2758:
2757:
2756:Prefabricated
2754:
2752:
2749:
2747:
2744:
2742:
2739:
2735:
2732:
2731:
2730:
2727:
2725:
2722:
2718:
2715:
2714:
2713:
2710:
2709:
2707:
2703:
2697:
2694:
2692:
2689:
2687:
2684:
2682:
2679:
2677:
2674:
2670:
2667:
2666:
2665:
2664:Homes England
2662:
2658:
2655:
2653:
2650:
2648:
2645:
2643:
2640:
2638:
2635:
2634:
2633:
2630:
2628:
2625:
2623:
2622:Affordability
2620:
2619:
2617:
2613:
2607:
2604:
2602:
2599:
2598:
2596:
2592:
2586:
2583:
2581:
2578:
2577:
2575:
2573:Architectures
2571:
2565:
2562:
2560:
2557:
2556:
2553:
2549:
2542:
2537:
2535:
2530:
2528:
2523:
2522:
2519:
2513:
2509:
2505:
2503:
2499:
2497:
2493:
2492:
2488:
2487:
2484:
2481:
2479:
2476:
2475:
2471:
2470:
2467:
2464:
2462:
2458:
2455:
2452:
2450:
2446:
2443:
2441:
2437:
2434:
2432:
2428:
2425:
2422:
2420:
2417:
2416:
2405:
2401:
2398:
2393:
2387:
2383:
2380:
2375:
2368:
2367:0-11-061676-6
2364:
2358:
2351:
2350:0-08-027573-7
2347:
2341:
2325:
2321:
2317:
2311:
2305:
2301:
2298:
2294:
2288:
2283:
2277:
2273:
2270:
2265:
2259:
2255:
2252:
2247:
2240:
2236:
2231:
2212:
2205:
2199:
2193:
2188:
2181:
2177:
2174:
2169:
2163:
2159:
2156:
2151:
2145:
2140:
2134:
2130:
2127:
2122:
2114:
2101:
2093:
2089:
2082:
2075:
2070:
2054:
2050:
2044:
2038:
2033:
2027:
2023:
2020:
2015:
2009:
2004:
1989:
1985:
1978:
1962:
1958:
1952:
1945:
1941:
1938:
1933:
1926:
1921:
1915:
1911:
1908:
1903:
1896:
1892:
1888:
1885:
1880:
1873:
1869:
1865:
1862:
1857:
1855:
1847:
1843:
1838:
1831:
1827:
1824:
1819:
1812:
1808:
1805:
1800:
1784:
1780:
1776:
1770:
1763:
1759:
1755:
1752:
1747:
1740:
1735:
1728:
1724:
1721:
1716:
1709:
1705:
1700:
1693:
1689:
1685:
1682:
1677:
1670:
1666:
1661:
1654:
1653:
1648:
1644:
1641:
1636:
1629:
1625:
1624:
1619:
1615:
1612:
1607:
1601:
1597:
1594:
1589:
1574:on 2 May 2007
1573:
1569:
1563:
1555:
1549:
1530:
1523:
1517:
1511:
1510:
1505:
1500:
1494:
1489:
1483:
1479:
1476:
1471:
1465:
1461:
1455:
1450:
1444:
1439:
1423:
1419:
1413:
1407:
1403:
1400:
1395:
1389:
1385:
1382:
1377:
1371:
1367:
1364:
1359:
1343:
1339:
1333:
1327:
1323:
1320:
1315:
1307:
1301:
1282:
1275:
1269:
1253:
1249:
1243:
1237:
1233:
1230:
1225:
1219:
1215:
1212:
1207:
1201:
1197:
1194:
1189:
1182:
1181:
1176:
1172:
1169:
1164:
1156:
1150:
1134:
1130:
1124:
1118:
1113:
1111:
1106:
1097:
1096:Standby power
1094:
1092:
1089:
1087:
1084:
1082:
1079:
1077:
1074:
1072:
1069:
1067:
1064:
1062:
1059:
1057:
1054:
1053:
1049:
1048:Energy portal
1043:
1038:
1031:
1029:
1024:
1020:
1018:
1010:
1007:
1004:
1001:
998:
995:
992:
991:
990:
987:
979:
976:
973:
970:
969:
968:
966:
961:
959:
955:
947:
944:
941:
938:
937:
936:
934:
926:
923:
920:
919:
918:
916:
910:0.6 for roofs
909:
906:
903:
900:
899:
898:
896:
892:
885:1.4 for roofs
884:
882:1.7 for walls
881:
880:
879:
877:
867:
864:
863:
859:
856:
855:
851:
848:
847:
843:
840:
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5660:Carbon Trust
5394:Dash for Gas
5389:BBL Pipeline
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4988:Transmission
4891:Distribution
4862:Shell Energy
4812:Co-op Energy
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3426:Comben Homes
3421:Bryant Homes
3385:United House
3208:Pick Everard
3168:Elliott Wood
3143:Buro Happold
3067:Construction
2820:Wealden hall
2805:Tower blocks
2766:Atholl steel
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2632:Homelessness
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860:250 mm
852:200 mm
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5907:RenewableUK
5841:Bioregional
5707:initiatives
5577:Solar power
5381:Oil and gas
5203:Electricity
4997:Electricity
4900:Electricity
4842:Opus Energy
4832:Good Energy
4676:WesternGeco
4636:Abbot Group
4594:Star Energy
4473:Exploration
3890:Speedy Hire
3823:Hope Cement
3671:Dorman Long
3515:Cementation
3510:BAM Nuttall
3436:Ideal Homes
3380:Tilia Homes
3320:Countryside
3092:and support
2647:Gatekeeping
1988:Book My EPC
1692:HM Treasury
1578:23 February
1428:12 February
1180:British Gas
828:60 mm
820:25 mm
763:Switzerland
628:dissipation
624:cylindrical
507:micro hydro
491:Clear Skies
314:solar power
84:British Gas
43:August 2016
6088:Categories
5589:Wind power
5567:Wave farms
5526:Geothermal
5484:Renewables
5454:Oil fields
5366:Sellafield
5231:Economy 10
5156:Coal mines
5082:Mark Group
4949:Cadent Gas
4852:OVO Energy
4817:Ecotricity
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4749:Generation
4741:and supply
4739:Generation
4715:EDF Energy
4698:Integrated
4671:Weir Group
4599:Tullow Oil
4452:Integrated
4294:Retentions
4029:Actuate UK
3865:Pilkington
3641:Buckingham
3530:Interserve
3484:Integrated
3441:Ilke Homes
3310:CALA Homes
3253:Wood Group
3243:Tetra Tech
2506:Jul 2006,
2330:24 January
1893:, page 5,
1789:4 February
1348:8 February
1290:22 January
1102:References
741:Minergie-P
728:countries.
721:Passivhaus
620:Manchester
601:renewables
597:Beddington
540:Under the
479:See also:
453:CarbonLite
182:figures).
164:insulation
92:Uttlesford
5226:Economy 7
5062:APX Group
4822:ESB Group
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4426:Rio Tinto
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3803:Buildbase
3764:Suppliers
3646:Carillion
3585:Robertson
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3340:Lendlease
3223:RPS Group
3183:Hoare Lea
3082:Companies
2810:Townhouse
2696:Squatting
2606:Liverpool
2585:Edwardian
2580:Victorian
2472:Resources
2406:, page 34
2369:, page 96
2352:, page 54
1993:6 January
1967:6 January
1422:BBC.co.uk
780:The 2006
680:The 1977
651:Sheffield
551:fuel poor
441:in 2007.
411:paintings
280:average.
162:Although
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6072:Category
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5921:Research
5493:Biofuels
4802:100Green
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4501:Centrica
4442:Oil and
4419:Glencore
4316:Category
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4019:Industry
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3838:Kingspan
3828:HSS Hire
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3656:Clugston
3461:Westbury
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3295:Berkeley
3270:builders
3094:services
3014:Category
2783:Terraced
2705:Variants
2657:Scotland
2637:Act 2002
2457:Archived
2427:Archived
2400:Archived
2382:Archived
2300:Archived
2272:Archived
2254:Archived
2176:Archived
2158:Archived
2129:Archived
2022:Archived
1940:Archived
1910:Archived
1887:Archived
1864:Archived
1826:Archived
1807:Archived
1754:Archived
1723:Archived
1684:Archived
1643:Archived
1626:for the
1614:Archived
1596:Archived
1548:cite web
1478:Archived
1402:Archived
1384:Archived
1366:Archived
1322:Archived
1300:cite web
1252:BBC News
1232:Archived
1214:Archived
1196:Archived
1171:Archived
1149:cite web
1034:See also
1017:Scotland
748:Research
736:Minergie
726:European
699:Canadian
526:Scotland
495:Solar PV
431:EcoHomes
407:textiles
200:lighting
5318:Nuclear
5281:Control
5216:BritNed
5176:History
5105:italics
5092:Wavegen
5072:EnServe
5057:Aggreko
4710:E.ON UK
4651:Hunting
4629:Support
4568:Perenco
4525:EnQuest
4432:UK Coal
3938:Redland
3926:Defunct
3793:Breedon
3788:Ashtead
3771:Current
3711:Linford
3619:Defunct
3520:Costain
3493:Current
3406:Ashtons
3399:Defunct
3330:Gleeson
3290:Bellway
3285:Barratt
3278:Current
3228:Stantec
3218:Ramboll
3158:Cundall
3138:Bierrum
3111:Arcadis
2836:Housing
2642:England
2615:General
2601:Glasgow
1538:13 June
963:In the
767:Austria
759:Germany
692:Swedish
515:biomass
258:u-value
251:u-value
206:Cooking
108:Reading
33:updated
5582:
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4794:Supply
4720:Npower
4608:Supply
4202:BREEAM
4021:bodies
3948:Tarmac
3895:Tarmac
3833:Jewson
3798:Brogan
3721:Mowlem
3691:Jarvis
3666:Dawnus
3535:Keller
3411:Beazer
3390:Vistry
3365:Redrow
3350:Miller
3238:Systra
3188:Jacobs
3148:Capita
3126:Atkins
3101:AKT II
2788:Byelaw
2741:Estate
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1139:23 May
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2436:DEFRA
2214:(PDF)
2207:(PDF)
1532:(PDF)
1525:(PDF)
1284:(PDF)
1277:(PDF)
1258:2 May
733:Swiss
710:Japan
298:below
274:below
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4382:Coal
4089:CITB
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3121:Arup
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2992:1900
2987:1890
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2966:2016
2961:1986
2956:1919
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2925:2004
2913:1996
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