20
Not Addressed
Households lack trust in original installers for defect repairs, despite Departmental competency assurances.
Conclusion
Written evidence submitted to us by the Green Homes Group highlighted how some people are unlikely to trust the original installer to fix the issues they created.42 The Department said it is providing assurance to households by ensuring the installer is appropriately certified as competent to do the work, and by checking that the repairs had been done correctly.43
Government Response Summary
The government states that all EWI and IWI measures installed under ECO4 and GBIS schemes should have a guarantee that lasts for 25 years.
Government Response
Not Addressed
Government Response
Not Addressed
HM Government
Not Addressed
1.5 All EWI and IWI measures installed under ECO4 and GBIS schemes should have a guarantee that lasts for 25 years, meaning should issues be found in the future, the protections within the guarantee can be invoked within this timeframe.
Source
Committee
Public Accounts Committee
Report
62nd Report - Faulty energy efficiency installations
23 Jan 2026
HC 1229
Addressee Bodies
HM Treasury
Timeline
Recommendation age
0.4 yrs
Report published
23 Jan 2026