Insulation in Blackburn
£463 to £7,215 installed, and 53% of homes in the council area rated EPC D to G.
What insulation costs in Blackburn
Loft only
£463–£1,105
Saves up to £233 a year. Pays back in about 3 years.
Loft + cavity walls (most common)
£1,822–£4,345
Saves up to £478 a year. Pays back in about 6 years.
Full package
£3,026–£7,215
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.
Blackburn in numbers
Published statistics for the Blackburn with Darwen council area, not our estimates.
53% of homes with an EPC in the Blackburn with Darwen 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 Blackpool, allocated £35,324,700 in principle across the consortium for April 2025 to March 2028.
| Blackburn with Darwen council area | Figure | Source |
|---|---|---|
| Homes with an EPC rated D to G | 53% | 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 | £35,324,700 to the consortium led by Blackpool | DESNZ, list updated July 2026 |
| Households on mains gas heating only | 80.8% | Census 2021, ONS |
| Electricity network operator | Electricity North West (North West England) | NESO licence area boundaries |
These are published official statistics for the Blackburn with Darwen council area, which covers Blackburn, not Home Energy Quotes estimates. Sources checked 6 October 2026.
How Blackburn with Darwen compares with the rest of Lancashire, council by council, and the grants open to homes there: home energy in Lancashire.
Is Blackburn a good place for insulation?
The area’s housing stock includes a range of properties suited to insulation installations throughout Blackburn. Combined with North West’s energy prices, insulation installations here may offer good value (individual results will vary).
Blackburn has a population of 124,955, and the area falls within the North West region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Blackburn
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 Blackburn
- Qualifications — check the installer holds relevant qualifications and certifications for insulation before signing any contract
- Local references — ask for completed jobs in Blackburn or Lancashire
- 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 insulation in Blackburn
How much does insulation cost in Blackburn?
How energy efficient are homes in Blackburn?
Is there a grant for insulation in Blackburn?
The Warm Homes: Local Grant may fund insulation and low-carbon heating in Blackburn 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 Blackburn?
Do I need planning permission in Blackburn?
How do I find a good installer in Blackburn?
Get quotes for your home in Blackburn
Up to three approved installers who cover Blackburn may contact you. Free, no obligation.
Blackburn on the map
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.