Boiler Breakdown Repair in Lisburn

Kelly Heating NI attends boiler breakdowns across Lisburn regularly. Based in South Belfast at BT8, we're close to Lisburn and cover all areas including Lisburn city centre, Dunmurry, Lambeg, Hilden, Hillsborough and the surrounding Lisburn district.

We're not a 24-hour service, but we will help you as quickly as we can. Call or WhatsApp us with your boiler details and we'll advise you on next steps.

What to Tell Us When You Call

• Your boiler make and model (usually on the front of the boiler)
• Any error code showing on the display
• Whether you have no heating, no hot water, or both
• Whether other gas appliances are working
• Your address in Lisburn

With this information, we can often advise you on simple fixes over the phone before arranging a visit — saving you time and a callout charge.

Common Boiler Faults in Lisburn Homes

• No heating or hot water — often a diverter valve, pump or PCB fault
• Low pressure — common in Lisburn's older housing stock
• Frozen condensate pipe — affects many Lisburn homes in winter
• Boiler lockout / error codes
• Ignition failure — pilot light or electronic ignition faults
• Oil boiler nozzle, burner or pressure faults
• Kettling — scale build-up in older systems

Gas & Oil Boiler Repair in Lisburn

We repair both gas and oil boilers across Lisburn. Many properties in the Lisburn area — particularly in the surrounding rural district — are off the gas network and rely on oil heating. Kieran Kelly is OFTEC certified for oil boiler repair as well as Gas Safe registered for gas work.

Repair or Replace?

When we attend a breakdown in Lisburn, we'll give you an honest assessment of whether repair or replacement is the better option. If the repair is cost-effective, we'll fix it. If the boiler is old and uneconomical to repair, we'll say so and give you a clear replacement quote. Find out more about boiler installation in Lisburn →