Insulation in Stevenage
£517 to £8,051 installed, and 40% of homes in the council area rated EPC D to G.

What insulation costs in Stevenage
Loft only
£517–£1,232
Saves up to £233 a year. Pays back in about 3 years.
Loft + cavity walls (most common)
£2,033–£4,847
Saves up to £478 a year. Pays back in about 7 years.
Full package
£3,376–£8,051
Saves up to £546 a year. Pays back in about 10 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.
Stevenage in numbers
Published statistics for the Stevenage council area, not our estimates.
40% of homes with an EPC in the Stevenage council area are rated D to G, and the median energy score is 70, which is band C. Stevenage has £1,500,000 of Warm Homes: Local Grant funding allocated in principle for April 2025 to March 2028.
| Stevenage council area | Figure | Source |
|---|---|---|
| Homes with an EPC rated D to G | 40% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 70 (band C) | ONS, EPCs lodged to March 2025 |
| Warm Homes: Local Grant, 2025 to 2028 | £1,500,000 allocated to Stevenage | DESNZ, list updated July 2026 |
| Households on mains gas heating only | 79.4% | Census 2021, ONS |
| Electricity network operator | UK Power Networks (East England) | NESO licence area boundaries |
These are published official statistics for the Stevenage council area, which covers Stevenage, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Stevenage a good place for insulation?
The area’s housing stock includes a range of properties suited to insulation installations throughout Stevenage. Combined with East of England’s energy prices, insulation installations here may offer good value (individual results will vary).
Stevenage has a population of 94,470, and the area falls within the East of England region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Stevenage
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 Stevenage
- Qualifications — check the installer holds relevant qualifications and certifications for insulation before signing any contract
- Local references — ask for completed jobs in Stevenage or Hertfordshire
- 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 Stevenage
How much does insulation cost in Stevenage?
How energy efficient are homes in Stevenage?
Is there a grant for insulation in Stevenage?
The Warm Homes: Local Grant may fund insulation and low-carbon heating in Stevenage 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 Stevenage?
Do I need planning permission in Stevenage?
How do I find a good installer in Stevenage?
Get quotes for your home in Stevenage
Up to three approved installers who cover Stevenage may contact you. Free, no obligation.
Stevenage 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.