Select committee: Energy Security and Net Zero Committee
Recommendation 9
1st Report - Retrofitting homes for net zero
Published 22 May 2025
Addressed to Department for Energy Security and Net Zero
Energy Security and Net Zero Committee Retrofitting homes for net zero All items in this report Report on parliament.uk ↗ Inquiry on parliament.uk ↗
Recommendation (the committee's words)
Energy Performance Certificate assessments vary greatly in quality and consistency. It is therefore troubling that they are expected to perform such a range of functions that they were never initially designed for, such as determining eligibility for government support schemes. If the Government is to continue using Energy Performance Certificates for such purposes, reform of the Energy Performance Certificate metric must come quickly. The validity of Energy Performance Certificates for 10 years is also too long to say with confidence that all assessments and recommendations remain relevant. (Conclusion, Paragraph 63)
From: Energy Security and Net Zero Committee, 1st Report - Retrofitting homes for net zero (HC 453), 22 May 2025
Government response
The government responded to the whole report on 18 August 2025 (deadline 22 July 2025).
Summary written by Accountability Index from the government's response. It is not the government's own words.The government's response sets out much of its position through the forthcoming Warm Homes Plan, recognising several of the Committee's concerns while giving a longer timeline on gas network work and expressing scepticism on one funding proposal.
- On long-term retrofit support, the government states that £13.2 billion "has been committed" to the Warm Homes Plan over 2025/26 to 2029/30, with allocations for individual programmes to be set out "by October this year".
- On Energy Performance Certificates, the government is reforming them and "expects" changes to the metrics to be introduced in 2026; it will publish its consultation response "in due course".
- On repurposing the gas network, the department "anticipates a longer timeline to be needed than the Committee's recommendation" and will publish a Call for Evidence in 2026.
- On the Heat Training Grant, the government says it is "sceptical about plans to compensate installers for lost earnings", citing the complexity of avoiding "risks of fraud".