Written Question·Department for Energy Security and Net Zero·UIN 86677
Insulation: Housing
Tabled: 30 October 2025
Answered: 7 November 2025
Question
Imran Hussain
Labour — Bradford East
To ask the Secretary of State for Energy Security and Net Zero, what estimate his Department has made of the number of homes affected by defective insulation installed under government schemes between 2013 and 2021; and if he will commission a national au
Answer
Martin McCluskeyData has not been collected regarding the specific number of houses affected by non-compliance, however failure rates from audits of individual measures has been collected for some schemes of which a summary is included in the NAO report. For SWI installe...
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