Written Question·Department for Energy Security and Net Zero·UIN 22468

Cavity Insulation Guarantee Agency and Energy Company Obligation: Wales

Tabled: 7 January 2025

Answered: 13 January 2025

Named Day

Question

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

Miatta Fahnbulleh

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...

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