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Boilers in Truro

£1,590 to £5,110 installed, and 54% of homes in the council area rated EPC D to G.

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By Home Energy Quotes · Updated September 2026 · Truro, Cornwall

Boilers in Truro

What a new boiler costs in Truro

24–30kW combi

£1,590–£2,370

Saves up to £154 a year. Pays back in about 13 years.

35–40kW system (most common)

£2,300–£3,220

Saves up to £220 a year. Pays back in about 13 years.

40kW+ heat-only

£3,820–£5,110

Saves up to £303 a year. Pays back in about 15 years.

Source: Home Energy Quotes Cost Index, costs modelled March 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.

Truro in numbers

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

At the 2021 Census, 46.7% of households in the Cornwall council area used mains gas as their only central heating, 13.8% oil only and 15.2% electricity only. 54% of homes with an EPC in the Cornwall council area are rated D to G, and the median energy score is 67, which is band D.

Cornwall council areaFigureSource
Households on mains gas heating only46.7%Census 2021, ONS
Households on oil heating only13.8%Census 2021, ONS
Households on electric heating only15.2%Census 2021, ONS
Homes with an EPC rated D to G54%ONS, EPCs lodged to March 2025
Median EPC energy score67 (band D)ONS, EPCs lodged to March 2025
Electricity network operatorNational Grid Electricity Distribution (South West England)NESO licence area boundaries

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

Grants and funding in Truro

No general boiler grant

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

Cornwall leads a Warm Homes: Local Grant consortium allocated £3,383,632 in principle for April 2025 to March 2028. Income and EPC rules apply.

Source: DESNZ, list updated July 2026

Is Truro a good place for boilers?

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

Truro has a population of 23,000, and the area falls within the South West region. We recommend getting at least 3 quotes to compare prices.

Truro

Find Installers in Truro

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 Truro

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

Questions about boilers in Truro

How much do boilers cost in Truro?
Boilers in Truro cost between £1,590 and £5,110 installed, depending on system size. A typical mid-range system costs around £3,020 including installation and VAT (modelled estimate).
How are homes in Truro heated?
At the 2021 Census, 46.7% of households in the Cornwall council area, which covers Truro, used mains gas as their only central heating, 13.8% oil only and 15.2% electricity only.
Is there a grant for boilers in Truro?
There is no general government grant for a like-for-like gas or oil boiler replacement in Truro, 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 Truro?
The estimated payback period in Truro 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 Truro?
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 Truro before installation.
How do I find a good installer in Truro?
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 Truro

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

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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.