Check the gaps where any fiberglass wall insulation will be installed to identify any electrical ... slightly wider than the ...

Read on for more on cavity wall insulation costs. If you have solid walls, head to our separate guide to solid wall insulation. Both types should be installed by a professional installer. Visit Which?

Cavity wall insulation 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 transfer energy ...

Several council homes across Basildon are set to receive energy efficiency upgrades. The upgrades, which will be free of ...