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Heating engineers across Belfast, Bangor, Lisburn & North Down
HeatNI covers homes and rental properties across Greater Belfast and North Down — boiler repair, annual servicing, new installations, and emergency callouts. Select your area below for local pricing guides, engineer availability, and frequently asked questions.
Primary service areas
BT1–BT17
Belfast
Our largest coverage area — gas and oil across all Belfast postcodes.
Heating engineers in Belfast →
BT19 & BT20
Bangor
Seafront to inland estates — coastal flue checks included.
Heating engineers in Bangor →
BT27 & BT28
Lisburn
City and surrounding villages — gas and oil boilers.
Heating engineers in Lisburn →
BT22 & BT23
Newtownards
Town and Ards Peninsula — gas and oil expertise.
Heating engineers in Newtownards →
Also covered
Not sure if we cover your postcode?
Add your full postcode when you book a callback — we'll confirm coverage and plan our diary around your area. We cover a wide range of NI postcodes beyond our listed towns.
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