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SAP 2012 conventions

Publication Year

2018

Document Status

Withdrawn

Abstract

Designed to improve the quality and accuracy of energy performance certificates (EPC) and presents the SAP conventions used, covering: general, dimensions, openings, ventilation, U-values and thermal bridging, space heating, DHW heating, renewables, summer overheating and miscellaneous. Appendices relate to: documentary evidence, thermal bridging, u-values for room in roof, dwelling dimensions, and thermal mass.

Document History

Superseded by Version 8.1, September 2019. Version 8.0 01 September 2018. SAP 2012 is used for building regulation compliance in new dwellings in England (Part L) from 6 April 2014, in Wales (Part L) from 31 July 2014 and in Scotland (Section 6) from 1 October 2015. SAP 2012 can be used for EPCs for new dwellings. Published on behalf of DECC by BRE. This document has previously been available on The Construction Information Service via the publishers ODPM and DEFRA.

Publisher Information

Department of Energy and Climate Change

The Department brings together much of the Climate Change Group, previously housed within the Department for Environment, Food and Rural Affairs (Defra), with the Energy Group from the Department for Business, Enterprise and Regulatory Reform (BERR). From July 2016 became part of the Department for Business, Energy and Industrial Strategy (BEIS)

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