Written Question·Department for Energy Security and Net Zero·UIN 119599

Insulation: Housing

Tabled: 10 March 2026
Answered: 18 March 2026

Question

Sarah Hall

Labour (Co-op)Warrington South

To ask the Secretary of State for Energy Security and Net Zero, what steps his Department is taking to help support households affected by defective (a) retrofit and (b) insulation works carried out under Government schemes.

Answer

Martin McCluskey
Installers under Government schemes must be TrustMark registered and/or Microgeneration Certification Scheme (MCS) certified. TrustMark and MCS offer dispute resolution processes to consumers. Consumers must also be provided with a suitable guarantee. The...

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