Boilers in Belfast

Q: How much do boilers cost in Belfast?

Boilers in Belfast typically cost between £1,440 and £4,950 installed, depending on system size (modelled estimate). A typical mid-range system costs around £2,670. Actual costs vary depending on property and installer.

Q: How do I find a good installer in Belfast?

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.

£1,440 to £4,950 installed, and the grants that apply in Belfast and official data for the council area.

Request a free quote See the local data

By Home Energy Quotes · Updated September 2026 · Belfast, County Antrim

What a new boiler costs in Belfast

24–30kW combi

£1,440–£2,060

Saves up to £150 a year. Pays back in about 12 years.

35–40kW system (most common)

£2,160–£3,070

Saves up to £215 a year. Pays back in about 12 years.

40kW+ heat-only

£3,470–£4,950

Saves up to £300 a year. Pays back in about 14 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.

Belfast in numbers

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

At the 2021 Census, 70.9% of households in the Belfast council area used mains gas as their only central heating, 20.2% oil only and 2.4% electricity only. The median EPC energy score for homes in the Belfast council area is 68, which is band D.

Belfast council area	Figure	Source
Households on mains gas heating only	70.9%	Census 2021, NISRA
Households on oil heating only	20.2%	Census 2021, NISRA
Households on electric heating only	2.4%	Census 2021, NISRA
Median EPC energy score	68 (band D)	Department for Communities, EPCs to March 2023
Electricity network operator	NIE Networks (Northern Ireland)	NIE Networks

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

Grants and funding in Belfast

Affordable Warmth Scheme

Households in Belfast with a gross income under £23,000 may qualify for the Affordable Warmth Scheme, which can replace a boiler that is at least 15 years old for eligible householders. Otherwise there is no general grant for a boiler replacement.

Source: NI Housing Executive — Affordable Warmth

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 Belfast a good place for boilers?

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

Belfast has a population of 345,000, and the area falls within the Northern Ireland region. We recommend getting at least 3 quotes to compare prices.

Find Installers in Belfast

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 Belfast

Qualifications — check the installer holds relevant qualifications and certifications for boilers before signing any contract
Local references — ask for completed jobs in Belfast or County Antrim
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 boilers in Belfast

How much do boilers cost in Belfast?

Boilers in Belfast cost between £1,440 and £4,950 installed, depending on system size. A typical mid-range system costs around £2,670 including installation and VAT (modelled estimate).

How are homes in Belfast heated?

At the 2021 Census, 70.9% of households in the Belfast council area, which covers Belfast, used mains gas as their only central heating, 20.2% oil only and 2.4% electricity only.

Is there a grant for boilers in Belfast?

How long is the payback period in Belfast?

The estimated payback period in Belfast is typically around 13 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 Belfast?

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 Belfast before installation.

How do I find a good installer in Belfast?

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 Belfast

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

Request a free quote

Belfast on the map

Belfast, County Antrim and the surrounding area.

Boilers in nearby towns

Last reviewed: 15 September 2026. Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.