Home insulation and energy efficiency improvements
Insulation delivers the best returns of any home energy upgrade. Compare loft, cavity, and solid wall options, current costs, and free grants available through ECO4 and the Great British Insulation Scheme.
TLDR: Cavity wall insulation costs £500-£1,500 for a typical house. ECO4 grants may cover the full cost for eligible households. Savings run £100-£250/year. Payback is 3-8 years.
TLDR: Loft insulation costs £300-£600 professionally or £200-£400 DIY. ECO4 grants cover it free for eligible households. Savings run £150-£300/year. One of the best home improvements for ROI.
Millions of UK homes qualify for free or heavily subsidised insulation through government schemes. We explain who's eligible, what's covered, and how homeowners across Britain are slashing their energy bills.