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Boilers in Harlow

£1,659 to £5,806 installed, and 37% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Harlow, Essex

Boilers in Harlow

What a new boiler costs in Harlow

24–30kW combi

£1,659–£2,528

Saves up to £162 a year. Pays back in about 13 years.

35–40kW system (most common)

£2,636–£3,397

Saves up to £231 a year. Pays back in about 13 years.

40kW+ heat-only

£3,930–£5,806

Saves up to £317 a year. Pays back in about 15 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.

Harlow in numbers

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

At the 2021 Census, 79.5% of households in the Harlow council area used mains gas as their only central heating, 0.2% oil only and 8% electricity only. 37% of homes with an EPC in the Harlow council area are rated D to G, and the median energy score is 71, which is band C.

Harlow council areaFigureSource
Households on mains gas heating only79.5%Census 2021, ONS
Households on oil heating only0.2%Census 2021, ONS
Households on electric heating only8%Census 2021, ONS
Homes with an EPC rated D to G37%ONS, EPCs lodged to March 2025
Median EPC energy score71 (band C)ONS, EPCs lodged to March 2025
Electricity network operatorUK Power Networks (East England)NESO licence area boundaries

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

Grants and funding in Harlow

No general boiler grant

There is no general government grant for a like-for-like gas or oil boiler replacement in Harlow, 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

Warm Homes: Local Grant

The council is part of a Warm Homes: Local Grant consortium led by Essex, allocated £6,000,000 in principle across the consortium for April 2025 to March 2028. Income and EPC rules apply.

Source: DESNZ, list updated July 2026

Is Harlow a good place for boilers?

The area’s housing stock includes a range of properties suited to boilers installations throughout Harlow. Combined with East of England’s energy prices, boilers installations here may offer good value (individual results will vary).

Harlow has a population of 93,580, and the area falls within the East of England region. We recommend getting at least 3 quotes to compare prices.

Find Installers in Harlow

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.

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What to check before hiring an installer in Harlow

  • Qualifications — check the installer holds relevant qualifications and certifications for boilers before signing any contract
  • Local references — ask for completed jobs in Harlow or Essex
  • 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 Harlow

Questions about boilers in Harlow

How much do boilers cost in Harlow?
Boilers in Harlow cost between £1,659 and £5,806 installed, depending on system size. A typical mid-range system costs around £2,972 including installation and VAT (modelled estimate).
How are homes in Harlow heated?
At the 2021 Census, 79.5% of households in the Harlow council area, which covers Harlow, used mains gas as their only central heating, 0.2% oil only and 8% electricity only.
Is there a grant for boilers in Harlow?
There is no general government grant for a like-for-like gas or oil boiler replacement in Harlow, 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 Harlow?
The estimated payback period in Harlow is typically around 15 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 Harlow?
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 Harlow before installation.
How do I find a good installer in Harlow?
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 Harlow

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

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Harlow on the map

Map of Harlow, Essex
Harlow, Essex 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.