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Written question asked by Imran Hussain (Labour) on Thursday, 30 October 2025, in the House of Commons. It was due for an answer on Monday, 3 November 2025. It was answered by Martin McCluskey (Labour) on Friday, 7 November 2025 on behalf of the Department for Energy Security and Net Zero.


Insulation: Housing

Question

To ask the Secretary of State for Energy Security and Net Zero, what mechanisms are in place to hold contractors and installers accountable for poor workmanship on government-backed insulation schemes in cases where the original firms have since ceased trading.

Answer

We have been clear that the original installer is responsible for remediating issues with their work and for the costs of doing so. Where an installer ceases to trade or in some cases fails to rectify an issue, TrustMark require a guarantee to have been issued which for SWI will cover up to £20k.

We are working with Ofgem, TrustMark, certification bodies, energy suppliers and guarantee providers to encourage businesses to fulfil their responsibilities.

Where installers refuse to engage with remediation requests, TrustMark and certification bodies can suspend or remove their certifications. This prevents them being awarded any new work.


Secondary information

Type
Written question
Reference
86679
Session
2024-26
Subjects
Contracts Accountability Housing Insulation
Link
View this Written question on www.parliament.uk