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Energy Company Obligation: Audit

Asked by Sarah GibsonLiberal DemocratDepartment for Energy Security and Net ZeroTabled Answered 12 January 2026UIN 102264

The question

To ask the Secretary of State for Energy Security and Net Zero, if his Department will publish the independent audit reports commissioned on ECO4 delivery in 2025–26.

Answered by Martin McCluskey

The Department for Net Zero and Energy Security commissioned independent audit reports on ECO4 delivery. The results of this audit programme are available on the Government website: Solid wall insulation installed under ECO4 and GBIS: Statistical audit results - GOV.UK

We are unable to publish individual household reports as this would contravene GDPR requirements

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