Boilers in Northampton
£1,518 to £5,313 installed, and 43% of homes in the council area rated EPC D to G.

What a new boiler costs in Northampton
24–30kW combi
£1,518–£2,313
Saves up to £162 a year. Pays back in about 12 years.
35–40kW system (most common)
£2,413–£3,109
Saves up to £231 a year. Pays back in about 12 years.
40kW+ heat-only
£3,597–£5,313
Saves up to £317 a year. Pays back in about 14 years.
Source: Home Energy Quotes Cost Index, costs modelled June 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Northampton in numbers
Published statistics for the West Northamptonshire council area, not our estimates.
At the 2021 Census, 72.9% of households in the West Northamptonshire council area used mains gas as their only central heating, 5% oil only and 8.2% electricity only. 43% of homes with an EPC in the West Northamptonshire council area are rated D to G, and the median energy score is 70, which is band C.
| West Northamptonshire council area | Figure | Source |
|---|---|---|
| Households on mains gas heating only | 72.9% | Census 2021, ONS |
| Households on oil heating only | 5% | Census 2021, ONS |
| Households on electric heating only | 8.2% | Census 2021, ONS |
| Homes with an EPC rated D to G | 43% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 70 (band C) | ONS, EPCs lodged to March 2025 |
| Electricity network operator | National Grid Electricity Distribution (East Midlands) | NESO licence area boundaries |
These are published official statistics for the West Northamptonshire council area, which covers Northampton, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Northampton a good place for boilers?
The area’s housing stock includes a range of properties suited to boilers installations throughout Northampton. Combined with East Midlands’s energy prices, boilers installations here may offer good value (individual results will vary).
Northampton has a population of 243,520, and the area falls within the East Midlands region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Northampton
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 Northampton
- Qualifications — check the installer holds relevant qualifications and certifications for boilers before signing any contract
- Local references — ask for completed jobs in Northampton or Northamptonshire
- 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 boilers in Northampton
How much do boilers cost in Northampton?
How are homes in Northampton heated?
Is there a grant for boilers in Northampton?
How long is the payback period in Northampton?
Do I need planning permission in Northampton?
How do I find a good installer in Northampton?
Get quotes for your home in Northampton
Up to three approved installers who cover Northampton may contact you. Free, no obligation.
Northampton on the map

Boilers 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.