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Boilers in Guildford

£1,753 to £6,134 installed, and 49% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Guildford, Surrey

Boilers in Guildford

What a new boiler costs in Guildford

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.

Guildford in numbers

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

At the 2021 Census, 76.9% of households in the Guildford council area used mains gas as their only central heating, 2% oil only and 7.8% electricity only. 49% of homes with an EPC in the Guildford council area are rated D to G, and the median energy score is 69, which is band C.

Guildford council areaFigureSource
Households on mains gas heating only76.9%Census 2021, ONS
Households on oil heating only2%Census 2021, ONS
Households on electric heating only7.8%Census 2021, ONS
Homes with an EPC rated D to G49%ONS, EPCs lodged to March 2025
Median EPC energy score69 (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 Guildford council area, which covers Guildford, not Home Energy Quotes estimates. Sources checked 6 October 2026.

Grants and funding in Guildford

No general boiler grant

There is no general government grant for a like-for-like gas or oil boiler replacement in Guildford, 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 Surrey, allocated £13,914,375 in principle across the consortium for April 2025 to March 2028. Income and EPC rules apply.

Source: DESNZ, list updated July 2026

Is Guildford a good place for boilers?

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

Guildford has a population of 77,880, and the area falls within the South East region. We recommend getting at least 3 quotes to compare prices.

Find Installers in Guildford

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 Guildford

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

Questions about boilers in Guildford

How much do boilers cost in Guildford?
Boilers in Guildford 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 Guildford heated?
At the 2021 Census, 76.9% of households in the Guildford council area, which covers Guildford, used mains gas as their only central heating, 2% oil only and 7.8% electricity only.
Is there a grant for boilers in Guildford?
There is no general government grant for a like-for-like gas or oil boiler replacement in Guildford, 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 Guildford?
The estimated payback period in Guildford 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 Guildford?
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 Guildford before installation.
How do I find a good installer in Guildford?
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 Guildford

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

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Guildford on the map

Map of Guildford, Surrey
Guildford, Surrey 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.