Reduced data standard assessment procedure (RdSAP)

Reduced data standard assessment procedure (RdSAP) is the government approved methodology for the energy assessment of existing dwellings. A full standard assessment procedure assessment requires details about a building that cannot be seen in a survey or will take too long to collect. This alternative RdSAP methodology is an industry agreed standard that infers for those missing details.

1. Commercial media includes: newspapers and magazines; written material produced by the seller / landlord / estate or letting agent that describes the building being offered for sale or rent, the internet. ↩

2. Listed buildings on the Historic England website (or its Welsh equivalent). ↩

3. Standard Assessment Procedure or Reduced Standard Assessment Procedure software. ↩