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Standard Assessment Procedure SAP10
Standard Assessment Procedure SAP10
This site holds document and information relating the UK's national methodology for calculating the energy performance of dwellings, used for Building Regulations compliance in England and Wales.
Energy Perfomance Specifications
Compliance & Software
- SAP 10.2 Validity dates
England from June 2022.
Wales from November 2022.
Scotland from February 2023.
- Official Conventions
Technical Resources & Calculators
Archive & History
Note: These documents are development or consultation drafts, or superseded versions. They should not be used for live assessments but held here for reference only.
17-03-2022
03-02-2022
17-12-2021
15-12-2021
20-08-2021
08-11-2019
24-07-2018
03-02-2022
17-12-2021
15-12-2021
20-08-2021
08-11-2019
24-07-2018