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Energy Performance Certificates

Asked by Dr Ellie ChownsGreen PartyDepartment for Energy Security and Net ZeroTabled Answered 6 February 2025UIN 27396

The question

To ask the Secretary of State for Energy Security and Net Zero, when he plans to publish an update to the Reduced Data Standard Assessment Procedure.

Answered by Miatta Fahnbulleh

Energy Performance Certificates (EPCs) are a crucial tool for consumers to understand the energy efficiency of their homes. We are implementing an interim update to the Reduced Data Standard Assessment Procedure (RdSAP), which underpins EPC ratings, in Spring this year. This update aims to enhance the accuracy and robustness of the current model. This is ahead of a more significant, ambitious EPC reform programme set for late 2026, aimed at better supporting Net Zero objectives and delivering the Warm Homes Plan.

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