Current
Core Supplement
Conventions to improve the quality and accuracy of energy performance certificates (EPC); covering general arrangements, dimensions, openings, ventilation, U-values and thermal bridging, space heating, DHW heating, renewables, summer overheating and miscellaneous issues.
Version 8.2, March 2021. SAP 2012 was until recently used for building regulation compliance in new dwellings in England and Wales (Part L) from 31 July 2014. But SAP 10.2 has been adopted in these administrations for all new assessments. SAP 2012 still applies for the 2015 accredited details document in Scotland (Section 6) from 1 October 2015. Published on behalf of DECC by BRE.
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)
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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