Cavity wall insulation is one of those home improvements that sounds like a no-brainer, promising a warmer home, fewer draughts and lower energy bills . In most cases, that’s exactly what you get, ...

Just how much does cavity wall insulation cost? If you are considering adding it in or upgrading existing insulation, this is likely to be a consideration for you right now. Cavity wall insulation can ...

On the programme on 19 January 2026, we looked at some of the problems homeowners have faced after having solid wall or cavity wall insulation. Solid wall insulation is an extra layer of insulation on ...