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Written Question
Insulation: Housing
Wednesday 16th July 2025

Asked by: Sarah Edwards (Labour - Tamworth)

Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, what provisions his Department has put in place to help ensure the professional competency of firms that install insulation with support from the Great British Insulation Scheme.

Answered by Miatta Fahnbulleh - Parliamentary Under Secretary of State (Department for Energy Security and Net Zero)

We recognise the importance of facilitating a competent and robust supply chain. All installations under government energy efficiency schemes, including the Great British Insulation Scheme, must be carried out by a TrustMark registered business. This includes a requirement to meet independent industry standards and to provide a warranty to the householder, in case something goes wrong.

The government recognises the need to reform a fragmented system and will introduce plans to drive-up quality and protect consumers through the Warm Homes Plan.


Written Question
Insulation: Housing
Wednesday 16th July 2025

Asked by: Sarah Edwards (Labour - Tamworth)

Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, who is liable for the cost of repairing damage incurred from installing insulation under the Great British Insulation Scheme.

Answered by Miatta Fahnbulleh - Parliamentary Under Secretary of State (Department for Energy Security and Net Zero)

All installations under government energy efficiency schemes, including the Great British Insulation Scheme, must be carried out by a TrustMark registered business. TrustMark registered installers are required to provide consumers with guarantees from a TrustMark approved guarantee provider. TrustMark have a 3-step dispute resolution process for when things go wrong which includes liaising with the original installer to carry out any required repairs in the first instance. Further information on the steps consumers can take and financial protection for installations can be found on TrustMark’s website here: https://www.trustmark.org.uk/