Written questions

Cavity Insulation Guarantee Agency and Energy Company Obligation: Wales

Commons · Question 22468 · Tabled 7 Jan 2025 · Department for Energy Security and Net Zero · Official record

Answered 13 Jan 2025

Question

Asked by Ann Davies

To ask the Secretary of State for Energy Security and Net Zero, what estimate he has made of the cost of remedial work due to be carried out in properties in Wales as a result of work undertaken through the (a) ECO4 scheme and (b) Cavity Insulation Guaran

Answer

Answered by Miatta Fahnbulleh, 13 Jan 2025

Remediation costs can differ significantly from one property to another. All insulation under ECO4 must be installed by a TrustMark-registered installer, and covered by a TrustMark approved 25 year guarantee. The government has previously published guidan...