Energy Performance of Buildings (Scotland) Regulations 2025: stock model research

Research to inform the thresholds of an A-G band scale for the forthcoming update to the Heat Retention Rating. We have a commitment to maintain equivalence between the SAP band C and a ‘Good’ Heat Retention Rating performance, i.e. an HRR band of C or better.


Supporting documents

DECC – Energy Performance of Housing Stock Research
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