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Homeowner Hub

Roll back your bills, top up your loft insulation!

Up to 25% of the overall heat loss of UK houses escapes through their roof.

The good news is that it is the easiest place to tackle when it comes to insulating your home. It is estimated that insulating your loft to 500mm can save up to £367* off your energy bills per year!*

*Savings for an average 4 bed Detached with a 80m2 uninsulated loft calculated using the UK’s Standard Assessment Procedure (SAP) and an average kWh Unit price (Gas) of £0.12360. Figure calculated in December 2023.

How to install insulation in your loft space

Videos to help you

Loft Insulation Install Video

Install Loft Roll

Knauf Insulation Loft Top Up Video

Top up your loft insulation

WHICH PRODUCTS SHOULD YOU BUY FOR YOUR LOFT?

Get the support you need

Our Technical Support team is here to answer your questions – big or small.

FAQs

Our Solutions Guide provides information and advice on all our products, with advice on the best insulation for roofs, floors, walls, and other applications. The Product Finder Tool can also help you find the right product, based on your application. It’s easy to use and only takes a couple of minutes. Plus, our industry-first Condensation Risk Analysis and U-value Calculator can help you with all the details you need for planning your project.

You can find our installation guides, which provide step-by-step installation instructions, in our Download Centre. You may also find our video library helpful.