Insulation in Carlisle
£463 to £7,215 installed, and 54% of homes in the council area rated EPC D to G.

What insulation costs in Carlisle
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.
Carlisle in numbers
Published statistics for the Cumberland council area, not our estimates.
54% of homes with an EPC in the Cumberland council area are rated D to G, and the median energy score is 67, which is band D. The council is part of a Warm Homes: Local Grant consortium led by Westmorland and Furness, allocated £12,328,580 in principle across the consortium for April 2025 to March 2028.
| Cumberland council area | Figure | Source |
|---|---|---|
| Homes with an EPC rated D to G | 54% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 67 (band D) | ONS, EPCs lodged to March 2025 |
| Warm Homes: Local Grant, 2025 to 2028 | £12,328,580 to the consortium led by Westmorland and Furness | DESNZ, list updated July 2026 |
| Households on mains gas heating only | 72.1% | Census 2021, ONS |
| Electricity network operator | Electricity North West (North West England) | NESO licence area boundaries |
These are published official statistics for the Cumberland council area, which covers Carlisle, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Carlisle a good place for insulation?
The area’s housing stock includes a range of properties suited to insulation installations throughout Carlisle. Combined with North West’s energy prices, insulation installations here may offer good value (individual results will vary).
Carlisle has a population of 77,730, and the area falls within the North West region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Carlisle
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 Carlisle
- Qualifications — check the installer holds relevant qualifications and certifications for insulation before signing any contract
- Local references — ask for completed jobs in Carlisle or Cumbria
- 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 Carlisle
How much does insulation cost in Carlisle?
How energy efficient are homes in Carlisle?
Is there a grant for insulation in Carlisle?
The Warm Homes: Local Grant may fund insulation and low-carbon heating in Carlisle 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 Carlisle?
Do I need planning permission in Carlisle?
How do I find a good installer in Carlisle?
Get quotes for your home in Carlisle
Up to three approved installers who cover Carlisle may contact you. Free, no obligation.
Carlisle 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.