
County Antrim / County Down, Northern Ireland
Heating Engineers in Belfast
Compare quotes from heating engineers in Belfast, Malone, Stranmillis and Ballyhackamore for gas and oil boilers, conversions, servicing and radiators.
Belfast's red-brick terraces fill the streets of the Holylands, the Village, east Belfast and north Belfast, while Malone, Stranmillis and Ballyhackamore have larger Victorian and Edwardian homes. Unlike most UK cities, many Belfast homes have been heated by oil for decades – and many are now switching to natural gas.
Describe your job once and get quotes from heating engineers who cover Belfast and the surrounding area, whether you need a gas or oil boiler, a conversion, a service or radiators.
What Belfast homeowners ask heating engineers for
Oil to gas conversions
Removing oil boilers and tanks and fitting gas combis or system boilers.
Oil boiler replacements
New condensing oil boilers for homes staying with oil.
Terrace heating upgrades
Radiators, controls and combi replacements in red-brick terraces.
Boilers, radiators and central heating in Belfast
- Gas BoilersNew and replacement gas boilers, combi conversions, annual servicing, breakdowns and repairs – carried out by Gas Safe registered engineers.
- Electric BoilersElectric boiler installation and replacement for flats, homes off the gas grid and properties moving away from gas or storage heaters.
- RadiatorsNew and replacement radiators, column and designer radiators, towel rails, valves, power flushing and fixing cold or leaking radiators.
- Boiler and heating costsIndicative UK prices for new boilers, servicing, repairs and radiators.
Oil, gas and conversions
Natural gas arrived in Belfast relatively recently compared with the rest of the UK, and the network has gradually expanded across the city and beyond. Where gas is available, converting from oil means removing the oil boiler and tank, connecting to the gas network and fitting a new gas boiler. The gas supplier usually needs to provide a connection first, so engineers often advise you to check availability before you get quotes.
If you're staying with oil, a modern condensing oil boiler can replace an older one, and annual servicing is just as important as with gas. Oil engineers are usually OFTEC-registered, while gas work must be done by a Gas Safe registered engineer.

Requesting boiler quotes in Belfast
- 1.Click Get Free Quotes, describe the boiler or heating job and add your postcode.
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- 3.Compare their quotes – with no obligation.
Add your Belfast postcode and describe the job to compare quotes from local heating engineers.
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Describe your boiler, radiator or central heating job and compare quotes from engineers who work in and around Belfast.
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Pricing a boiler or heating job in Belfast
Two boiler quotes for similar homes in Belfast can differ more than you might expect. It often comes down to things like these:
- Gas connection: availability and the connection to your property affect the timeline.
- Tank removal: taking out an oil tank adds to the cost of a conversion.
- Fuel choice: oil and gas boilers differ in price and installation work.
For indicative UK prices by type of job, see our boiler and heating cost guide.
Belfast boiler and heating FAQs
Can I switch from oil to gas in Belfast?
If the gas network reaches your street, usually yes. You'll need a gas connection to the property, after which a Gas Safe registered engineer can fit a gas boiler and remove the oil system. Check availability with the gas network first.
Who should service my oil boiler?
Oil boilers are usually serviced by OFTEC-registered technicians. Gas boilers must be serviced by a Gas Safe registered engineer.
Do Belfast engineers cover Lisburn and Newtownabbey?
Many do. Your postcode decides which engineers receive your request.
Boilers and heating systems across Northern Ireland
Northern Ireland is different from the rest of the UK: oil-fired central heating has long been the most common system, and the natural gas network is newer, reaching Belfast and a growing number of towns. Conversions from oil to gas are therefore a regular job where gas is available. Anyone working on gas appliances must be on the Gas Safe Register.
For anything involving gas, only use an engineer on the Gas Safe Register. Their ID card lists the types of gas work they're registered for, and you can confirm their registration online. How to check an engineer.
Heating engineers near Belfast
Heating engineers who work in Belfast typically also cover the surrounding parts of County Antrim / County Down, including:
- Malone
- Stranmillis
- Ballyhackamore
- Holywood
- Newtownabbey
- Glengormley
- Dundonald
- Castlereagh
- Carryduff
- Lisburn
Heating engineers in nearby towns and cities
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