Insulation in Grimsby
£463 to £7,215 installed, and 58% of homes in the council area rated EPC D to G.

What insulation costs in Grimsby
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.
Grimsby in numbers
Published statistics for the North East Lincolnshire council area, not our estimates.
58% of homes with an EPC in the North East Lincolnshire 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 Midlands Net Zero Hub, allocated £69,859,402 in principle across the consortium for April 2025 to March 2028.
| North East Lincolnshire council area | Figure | Source |
|---|---|---|
| Homes with an EPC rated D to G | 58% | 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 | £69,859,402 to the consortium led by Midlands Net Zero Hub | DESNZ, list updated July 2026 |
| Households on mains gas heating only | 83.7% | Census 2021, ONS |
| Electricity network operator | Northern Powergrid (Yorkshire) | NESO licence area boundaries |
These are published official statistics for the North East Lincolnshire council area, which covers Grimsby, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Grimsby a good place for insulation?
The area’s housing stock includes a range of properties suited to insulation installations throughout Grimsby. Combined with Yorkshire and The Humber’s energy prices, insulation installations here may offer good value (individual results will vary).
Grimsby has a population of 85,925, and the area falls within the Yorkshire and The Humber region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Grimsby
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 Grimsby
- Qualifications — check the installer holds relevant qualifications and certifications for insulation before signing any contract
- Local references — ask for completed jobs in Grimsby or Lincolnshire
- 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 Grimsby
How much does insulation cost in Grimsby?
How energy efficient are homes in Grimsby?
Is there a grant for insulation in Grimsby?
The Warm Homes: Local Grant may fund insulation and low-carbon heating in Grimsby 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 Grimsby?
Do I need planning permission in Grimsby?
How do I find a good installer in Grimsby?
Get quotes for your home in Grimsby
Up to three approved installers who cover Grimsby may contact you. Free, no obligation.
Grimsby 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.