Independent costs, scores and savings data for underfloor insulation in the UK. Free comparison tool and local installer matching.
Underfloor insulation is fitted beneath suspended timber floorboards and eliminates cold draughts at floor level. It scores 7.2/10 and delivers an immediate comfort improvement — particularly noticeable in older homes with draughty ground floors.
| Factor | Detail |
|---|---|
| Our Independent Score | 7.2/10 |
| Typical Cost (semi-det) | £400–£800 |
| Annual Energy Saving | £50–£100/yr |
| Payback Period | 5–8 years |
↔️ Swipe to see more