Heat pumps in Maidstone
£7,444 to £19,395 installed, and 310 Boiler Upgrade Scheme grants already paid in the council area.
What a system costs in Maidstone
6kW
£7,444–£9,620
Saves up to £207 a year. Pays back in about 5 years after the £7,500 grant (41 years without it).
9kW (most common)
£10,680–£13,655
Saves up to £310 a year. Pays back in about 15 years after the £7,500 grant (39 years without it).
14kW
£14,541–£19,395
Saves up to £408 a year. Pays back in about 23 years after the £7,500 grant (42 years without it).
Source: Home Energy Quotes Cost Index, costs modelled July 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Maidstone in numbers
Published statistics for the Maidstone council area, not our estimates.
310 Boiler Upgrade Scheme heat pump grants were paid in the Maidstone council area between May 2022 and June 2026. At the 2021 Census, 74.4% of households in the Maidstone council area used mains gas as their only central heating, 3.9% oil only and 8.2% electricity only. Maidstone is not named on the published Warm Homes: Local Grant council list (updated July 2026).
| Maidstone council area | Figure | Source |
|---|---|---|
| Boiler Upgrade Scheme heat pump grants paid | 310 | DESNZ and Ofgem, May 2022 to June 2026 |
| Households on mains gas heating only | 74.4% | Census 2021, ONS |
| Households on oil heating only | 3.9% | Census 2021, ONS |
| Households on renewable heating only | 0.4% | Census 2021, ONS |
| Homes with an EPC rated D to G | 40% | ONS, EPCs lodged to March 2025 |
| Warm Homes: Local Grant, 2025 to 2028 | Not on the council list | DESNZ, list updated July 2026 |
| Electricity network operator | UK Power Networks (South East England) | NESO licence area boundaries |
Maidstone is served by UK Power Networks, the electricity network operator for South East England. A heat pump has to be registered with the network operator. Your installer normally does this: smaller systems are notified after installation, and larger ones need approval before work starts.
These are published official statistics for the Maidstone council area, which covers Maidstone, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Maidstone a good place for heat pumps?
The area’s housing stock includes a range of properties suited to heat pumps installations throughout Maidstone. Combined with South East’s energy prices, heat pumps installations here may offer good value (individual results will vary).
Maidstone has a population of 109,490, and the area falls within the South East region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Maidstone
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 Maidstone
- Qualifications — check the installer holds relevant qualifications and certifications for heat pumps before signing any contract
- Local references — ask for completed jobs in Maidstone or Kent
- 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 heat pumps in Maidstone
How much do heat pumps cost in Maidstone?
How many heat pump grants have been paid in Maidstone?
Is there a grant for heat pumps in Maidstone?
The Boiler Upgrade Scheme offers up to £7,500 towards an air source or ground source heat pump in Maidstone, or £9,000 until March 2027 for homes heated by oil or LPG with no mains gas. It is open to property owners in England and Wales.
How long is the payback period in Maidstone?
Do I need planning permission in Maidstone?
How do I find a good installer in Maidstone?
Get quotes for your home in Maidstone
Up to three approved installers who cover Maidstone may contact you. Free, no obligation.
Maidstone on the map
Heat Pumps 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.