Written Question·Department for Energy Security and Net Zero·UIN 87498
Energy Company Obligation: Wales
Tabled: 3 November 2025
Answered: 11 November 2025
Named DayQuestion
Llinos Medi
Plaid Cymru — Ynys Môn
To ask the Secretary of State for Energy Security and Net Zero, with reference to the National Audit Office Report entitled Energy efficiency installations under the Energy Company Obligation, published on 14 October 2025, what the cost to the public purs
Answer
Martin McCluskeyThe remediation costs sit with the original installer and we have been clear that no household should be asked to pay any money to put things right. We expect most remediation for solid wall insulation installed under ECO4 or GBIS to cost between £250 and...
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