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Boilers in Maidstone

£1,753 to £6,134 installed, and 40% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Maidstone, Kent

Boilers in Maidstone

What a new boiler costs in Maidstone

24–30kW combi

£1,753–£2,671

Saves up to £162 a year. Pays back in about 14 years.

35–40kW system (most common)

£2,785–£3,589

Saves up to £231 a year. Pays back in about 14 years.

40kW+ heat-only

£4,152–£6,134

Saves up to £317 a year. Pays back in about 16 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.

Maidstone in numbers

Published statistics for the Maidstone council area, not our estimates.

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. 40% of homes with an EPC in the Maidstone council area are rated D to G, and the median energy score is 71, which is band C.

Maidstone council areaFigureSource
Households on mains gas heating only74.4%Census 2021, ONS
Households on oil heating only3.9%Census 2021, ONS
Households on electric heating only8.2%Census 2021, ONS
Homes with an EPC rated D to G40%ONS, EPCs lodged to March 2025
Median EPC energy score71 (band C)ONS, EPCs lodged to March 2025
Electricity network operatorUK Power Networks (South East England)NESO licence area boundaries

These are published official statistics for the Maidstone council area, which covers Maidstone, not Home Energy Quotes estimates. Sources checked 6 October 2026.

Grants and funding in Maidstone

No general boiler grant

There is no general government grant for a like-for-like gas or oil boiler replacement in Maidstone, and the Warm Homes: Local Grant cannot fund new gas boilers. If you switch to a heat pump instead, the Boiler Upgrade Scheme offers up to £7,500.

Source: GOV.UK — Boiler Upgrade Scheme

Standard VAT

Boilers are not on HMRC's list of energy-saving materials, so 20% VAT applies and is inside the prices above.

Source: HMRC — VAT Notice 708/6

Is Maidstone a good place for boilers?

The area’s housing stock includes a range of properties suited to boilers installations throughout Maidstone. Combined with South East’s energy prices, boilers 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.

Request a free quote →

What to check before hiring an installer in Maidstone

  • Qualifications — check the installer holds relevant qualifications and certifications for boilers 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
Boilers installer in Maidstone

Questions about boilers in Maidstone

How much do boilers cost in Maidstone?
Boilers in Maidstone cost between £1,753 and £6,134 installed, depending on system size. A typical mid-range system costs around £3,140 including installation and VAT (modelled estimate).
How are homes in Maidstone heated?
At the 2021 Census, 74.4% of households in the Maidstone council area, which covers Maidstone, used mains gas as their only central heating, 3.9% oil only and 8.2% electricity only.
Is there a grant for boilers in Maidstone?
There is no general government grant for a like-for-like gas or oil boiler replacement in Maidstone, and the Warm Homes: Local Grant cannot fund new gas boilers. If you switch to a heat pump instead, the Boiler Upgrade Scheme offers up to £7,500.
How long is the payback period in Maidstone?
The estimated payback period in Maidstone is typically around 16 years, based on estimated savings of up to £202 a year for a typical home. Actual payback depends on your property size, boiler efficiency and gas tariff.
Do I need planning permission in Maidstone?
Most boilers installations fall under permitted development rights and do not require planning permission. However, listed buildings, conservation areas and flats may need approval. Always check with your local planning authority in Maidstone before installation.
How do I find a good installer in Maidstone?
We recommend getting at least 3 quotes from qualified installers. Check online reviews and verify that the installer holds relevant qualifications before signing any contract.

Get quotes for your home in Maidstone

Up to three approved installers who cover Maidstone may contact you. Free, no obligation.

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Maidstone on the map

Map of Maidstone, Kent
Maidstone, Kent and the surrounding area.

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.