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Cost Estimator
How Much Does Insulation Cost?
Estimate loft, cavity wall or solid wall insulation costs.
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⚙️Job details
Factors that affect cost
- Type of insulation and property size
- Access difficulty (especially loft hatch size)
- Whether grants are available (ECO4 in UK)
- Existing insulation condition
💡 Money-saving tips
- 1.Check ECO4 or Great British Insulation Scheme eligibility — free insulation if you qualify
- 2.Loft insulation has fastest payback — typically 2–4 years
- 3.Cavity wall insulation suits most post-1920s homes
- 4.Solid wall insulation is expensive but essential for older homes