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The latest official statistics on the Code for Sustainable Homes and Average Energy Efficiency (SAP ratings) were released on 20 May 2011. Statistics in this release relating to the Code for Sustainable Homes show the number of dwellings that have been certified to the standards set out in the Code Technical Guide.

Key points from the latest release are:

• There were 25,057 post construction stage certificates and 58,678 design stage certificates issued up to and including March 2011.
• 12 per cent of homes with post construction certificates and 22 per cent of those with design stage certificates have been built for the private sector. 88 per cent of homes with post construction certificates and 78 per cent of those with design stage certificates have been built for the public sector.
• Between April 2007 and March 2011, 49,954 dwellings at the design stage received a three star rating and 292 dwellings received a six star rating.
• Between April 2007 and March 2011, 22,592 dwellings at post-construction stage received a three star rating and 31 dwellings received a six star rating.
• The majority of the certificates issued since April 2007 at design stage (85 per cent) and at post construction stage (90 per cent) have been awarded at Code level 3.
• The average energy efficiency, SAP rating of new homes in England was 82.4 and in Wales 81.7 for the quarter January - March 2011. This is an increase on the same quarter 2010 from 80.2 in England and 80.7 in Wales.