Cavity Wall Insulation

What is CWI?

A Cavity Wall is a double wall consisting of two vertical layers joined together by metal ties and a space between them. Installing cavity wall insulation into that space is a great energy efficiency measure to help save on heating bills. It’s installed by drilling into the external walls and blowing insulation materials into the air space, reducing heat loss.

CWI has low thermal conductivity and closed-cell technology, meaning it doesn’t absorb moisture and provides maximum insulation. It’s definitely worth considering to improve your homes energy efficiency.

Why Cavity Wall Insulation?

Cavity wall insulation is one of the most effective measures for reducing heat loss in your home. Not only are there no aftercare requirements it also guarantees up to 70% reduction of heat loss from your property. CWI can reduce heating bills by up to 30%, making it very attractive for homeowners.

Our trusted installers use only BDA approved materials that come with a 25 year guarantee, providing the peace of mind that you are investing in a reliable product.

What is the cost of this work?

Generally, the cost of CWI is dependent on type and size of your of dwelling. Detached homes, which tend to have more external walls, the cost will be higher. Fortunately, there are several avenues of funding available to help with the cost of installation.

ECO4 and Government lead funding are two potential sources for homeowners looking for assistance. Click below to see if you’re eligible.