Written Question·Department for Energy Security and Net Zero·UIN 101654
Energy: Prices
Tabled: 18 December 2025
Answered: 9 January 2026
Question
Mr Lee Dillon
Liberal Democrat — Newbury
To ask the Secretary of State for Energy Security and Net Zero, whether the electricity price assumptions in SAP and RdSAP will be updated to reflect the announced reduction in electricity bills.
Answer
Martin McCluskeyElectricity price assumptions in the Standard Assessment Procedure (SAP) and Reduced Data SAP (RdSAP) are set when each methodology is published and are not updated between versions. This ensures consistency for Energy Performance Certificates and related...
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