All about home insulation

Loft insulation

Save up to £180* a year off your energy bills by stopping heat escaping through your roof.

Find out more

Cavity wall insulation

Save up to £140* a year off your energy bills. Fill the gaps in your walls to stop heat escaping.

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Installation step-by-step

It's easy to have loft or cavity wall insulation installed. Read our simple step-by-step guide of the process.

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The benefits of insulation

  • You could save up to £180 on loft insulation and up to £140 on cavity wall per year.*
  • FREE insulation survey of your home if you are eligible.
  • Quick, easy and hassle free to install.
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The benefits of insulation - 01.56

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* British Gas installs in mainland Great Britain only. Not all homes are suitable for insulation. Offer only applies to loft and cavity wall measures recommended by an appointed surveyor. Offer includes up to £1,000 of specialist equipment at the discretion of the appointed surveyor. Tenants must seek landlord permission. Offer only applicable to residential properties and excludes all other properties including commercial or part commercial premises. The Offer is subject to availability and subject to change or withdrawal at any time. To be eligible, a member of the household must be on eligible benefits or live within certain geographic areas, see www.britishgas.co.uk/smallprint for details.