• 10 available credits
• Credits worth 1.17% points each
• Mandatory Element: Yes

Aim: To limit C02 emissions arising from the operation of a dwelling and its services in line with current policy on future direction of regulations.

Assessment Criteria:

*1 Performance requirements are equivalent to those in previous scheme versions but are now measured using the AD L1A 2010 TER as the baseline.

*2 Up to nine credit are awarded on a sliding scale. The scale is based on increments of 0.1 credits, distributed equally between the benchmarks defined in this table.

Full ENE1 2010 Issue

• 15 available credits
• Credits worth 1.26% points each
• Mandatory Element: Yes

Aim: To limit emissions of carbon dioxide (C02) to the atmosphere arising from the operation of a dwelling and its services.

Assessment Criteria: Credits are awarded based on the percentage improvement in the Dwelling Emission Rate (DER), over the Target Emission Rate (TER)

Credits are awarded in accordance with this table. Note that to reach Level 6 (zero carbon) there are additional requirements.

Full ENE1 2009 Issue

SAP Appendix Q

SAP 2005: The Governments standard assessment procedure for energy rating of dwellings, SAP 2005 edition DEFRA, 2005

MIS3003 (Appendix B)

EST, Demonstrating Compliance - Advance Practice (2006 edition), Best Practice (2006 edition), Good Practice (2006 edition)

Energy Saving Trust

Approved Document L1A Conservation of Fuel and Power (New Dwellings) (2006 edition) CLG, London, 2006

BRE. The Government’s Standard Assessment Procedure for energy rating of dwellings March 2010 Version (SAP 2009, version 9.90, March 2010, revision October 2010). Published on behalf of DECC by BRE, Garston, Watford, 2009.

Department for Communities and Local Government. Approved Document L1A Conservation of fuel and power (New dwellings). CLG, London, 2010.

Additional information

Matt Batey and Christine Pout, Delivered Energy Emission Factors for 2003 (BRE File library December 2005) from BNXS01: Carbon Emission Factors for UK Energy Use from Market Transformation programme

BREDEM 12 updated (BRE, 2002)

C. Pout and R. Hitchin, Carbon Emission Factors (BRE Note, 2004)

C. Pout, ‘CO2 emission figures for policy analysis’, BRE, July 2005

BRE, Update to BREDEM 12 for appliances and cooking, (2007, to be published)

Full Part L1a 2006 PDF

Full SAP 2005 PDF

Full Part L1a 2010 PDF

Full SAP 2009 PDF