Method Cavity wall insulation Details The gap between two brick walls is filled with material that has a lower thermal conductivity than air. This is because it contains trapped air which cannot ...

Is your home suitable for cavity wall insulation? Do I need planning permission for cavity wall insulation? How to install cavity wall insulation Cavity-wall insulation costs and savings Finding a ...

Around a third of all heat lost from a poorly insulated home escapes through the walls, which means installing cavity-wall insulation is often one of the most cost-effective measures you can take to ...

I am pleased you are keeping the cavity wall insulation scandal in the public eye (March 15). The cause of this is perceived to be over enthusiastic salesmen flogging highly specialist work ...