Approved building energy calculation software
The Home Quality Mark One, Technical Manual SD239, England, Scotland & Wales, published by BRE in 2018, includes a list of software approved for demonstrating compliance with the energy efficiency and carbon emission requirements of the Building Regulations.
For England, Scotland and Wales:
- For domestic buildings, this refers to approved Standard Assessment Procedure (SAP) software, a list of which can be found at: www.bre.co.uk/sap2012.
For England and Wales:
- For non-domestic buildings, this refers to approved Simplified Building Energy Model (SBEM) software (and its interface iSBEM, as well as third party software approved by the relevant Government department), a list of which can be found at: www.ncm.bre.co.uk.
For Scotland:
- For non-domestic buildings, this refers to approved SBEM software (and its interface iSBEM, as well as third party software approved by the relevant Government department), a list of which can be found at: www.scotland.gov.uk.
[edit] Related articles on Designing Buildings
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
Cut electricity bills to power growth
Coalition sends joint letter to the Chancellor.
Gasholders: a history in pictures. Book review.
Recognition, influence and growth
SocEnv identifies three strategic pillars in new strategy to 2045.
Discover the future of roofing, cladding and insulation.
New guidance for professional practice, cultural change and regulation in social housing.
The heritage of nuclear and conventional power stations.
New measures to stop people being ripped off
Government to protect families from cowboy builders and aggressive bailiffs.
New Futurebuild showcase brings an innovation-first approach.
National Planning Policy Framework
Understanding the 2026 changes.
ECA's public affairs priorities
Member consultation opens to shape priorities for 2027 to 2030.
Dutyholder responsibilities from 1 July 2026.
Where performance meets practice
The Building Envelope Stage at UKCW Birmingham.

















