Independent costs, scores and savings data for foil insulation in the UK. Free comparison tool and local installer matching.
Foil insulation uses reflective barrier technology to reflect radiant heat back into the property. It is our highest-rated insulation type (8.5/10) and is particularly effective in lofts with draughts or moisture issues. Fast to install, low risk, and no mortgage implications.
| Factor | Detail |
|---|---|
| Our Independent Score | 8.5/10 |
| Typical Cost (semi-det) | £200–£600 |
| Annual Energy Saving | £150–£250/yr |
| Payback Period | 1–3 years |
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