Home insulation in Bath
£512 to £7,975 installed, and 50% of homes in the council area rated EPC D to G.
What insulation costs in Bath
Loft only
£512–£1,221
Saves up to £233 a year. Pays back in about 3 years.
Loft + cavity walls (most common)
£2,014–£4,802
Saves up to £478 a year. Pays back in about 6 years.
Full package
£3,344–£7,975
Saves up to £546 a year. Pays back in about 9 years.
Source: Home Energy Quotes Cost Index, costs modelled September 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Bath in numbers
Published statistics for the Bath and North East Somerset council area, not our estimates.
50% of homes with an EPC in the Bath and North East Somerset council area are rated D to G, and the median energy score is 68, which is band D. The council is part of a Warm Homes: Local Grant consortium led by Bristol, City of, allocated £12,662,001 in principle across the consortium for April 2025 to March 2028.
| Bath and North East Somerset council area | Figure | Source |
|---|---|---|
| Homes with an EPC rated D to G | 50% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 68 (band D) | ONS, EPCs lodged to March 2025 |
| Warm Homes: Local Grant, 2025 to 2028 | £12,662,001 to the consortium led by Bristol, City of | DESNZ, list updated July 2026 |
| Households on mains gas heating only | 74.3% | Census 2021, ONS |
| Electricity network operator | National Grid Electricity Distribution (South West England) | NESO licence area boundaries |
These are published official statistics for the Bath and North East Somerset council area, which covers Bath, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Bath a good place for home insulation?
The area’s housing stock includes a range of properties suited to home insulation installations throughout Bath. Combined with South West’s energy prices, home insulation installations here may offer good value (individual results will vary).
Bath has a population of 88,000, and the area falls within the South West region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Bath
We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.
What to check before hiring an installer in Bath
- Qualifications — check the installer holds relevant qualifications and certifications for home insulation before signing any contract
- Local references — ask for completed jobs in Bath or Somerset
- Reviews — check online reviews before committing
- Warranty — product and workmanship warranties should be clearly stated in writing
- 3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price
Questions about home insulation in Bath
How much does home insulation cost in Bath?
How energy efficient are homes in Bath?
Is there a grant for home insulation in Bath?
The Warm Homes: Local Grant may fund insulation and low-carbon heating in Bath for homes in England with an EPC rating of D to G, where household income is usually £36,000 or less or someone receives certain benefits.
How long is the payback period in Bath?
Do I need planning permission in Bath?
How do I find a good installer in Bath?
Get quotes for your home in Bath
Up to three approved installers who cover Bath may contact you. Free, no obligation.
Bath on the map
Home Insulation in nearby towns
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.