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Dungannon · BT70 · BT71

Plumbers in
Dungannon.

Dungannon is a Mid-Ulster market town 45 miles west of Belfast. Firmus gas in the urban core, oil dominant on the rural fringe. 50-minute drive means we batch booked work here rather than offering same-day emergency cover.

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Gas Safe registered | OFTEC registered | 10+ years on the tools
Boiler work in Dungannon, Belfast

About the area

Mid-Ulster batched work: travel justified by scope, not single emergencies.

Dungannon is on the Firmus Energy network for the urban core. Surrounding rural Mid-Ulster (Coalisland, Moy, Ballygawley direction) stays oil-heated. The 50-minute drive shapes coverage: standard service for booked work, larger jobs (installs, conversions, portfolio CP12s) where the travel is justified.

Dungannon is the principal town of Mid-Ulster, with population ~14,000. The Georgian and Victorian centre clusters around Market Square, Scotch Street and Market Street. Post-war expansion filled estates around Killymeal, Mullaghmore and toward Coalisland. Firmus connected Dungannon through the 2000s-2010s rollout. The wider BT70 / BT71 hinterland is rural and oil-heated, with larger agricultural properties common.

Gas network
Firmus Energy
Drive time
50 minutes from Belfast city centre
Postcodes covered
BT70BT71
Main focus
Oil Boiler Servicing · Oil to Gas Conversion · Gas Boiler Installation

How we work here

What Dungannon homes need.

Every area has its own housing stock and heating mix. Here's how that shapes the work we do in Dungannon.

Housing stock

Georgian and Victorian centre stock around Market Square and Scotch Street; 1960s-70s Housing Executive estates in Killymeal, Mullaghmore and the Coalisland Road approach; 1990s-onwards private estates around Drumcoo and the Ballygawley Road approach; rural bungalows and farmhouses across the BT70 / BT71 hinterland.

Heating pattern

Firmus Energy in the urban core (roughly 60% coverage). Oil-dominant in the rural fringe and outlying villages (Coalisland, Moy, Ballygawley). Combi boilers on newer estate stock; oil on farms.

Common jobs in Dungannon

  • OFTEC oil servicing on rural Mid-Ulster properties.
  • Oil-to-gas conversions in the Firmus urban spine.
  • Gas boiler replacements on 2000s-onwards newer estate stock.
  • Agricultural multi-boiler servicing on working farms.
  • Larger booked jobs where travel is justified by scope (installs, full system upgrades).
  • Power flushing on 30+ year systems.
  • Landlord CP12s on portfolio bookings.

Local considerations

Things to know in Dungannon.

Travel time means we batch Dungannon work where possible. Same-day emergency response is not standard from Belfast at this distance; for genuine emergency cover, a local OFTEC engineer is usually better.

Mid-Ulster oil tanks are commonly 25+ years old. OFS T100 condition checks during service are essential.

Firmus mains coverage in the BT70/71 fringe has been extending, worth checking before committing to new oil work.

Housing stock in depth

Property types and what they need.

Dungannon is not one kind of house. Each era has a different pipework shape, different failure modes, and a different correct answer on replacement. Here's how that plays out on the ground.

01 · c. 1810-1910

Market Square Georgian / Victorian centre

BT70

Period terraces and townhouses around Market Square, Scotch Street and Market Street. Brick or stone, slate roofs, conservation overlap on the historic core.

Typical setup

Combi or system boiler in rear utility on modernised examples. Heritage retrofits with mixed-era pipework.

Common issues

  • Conservation consent on front-elevation work.
  • Lead supply pipe still present in some properties.
  • Narrow rear yards limiting flue.

Best practice on replacement

Rear-elevation routing. Replace internal stopcock. Heritage-safe flushing.

02 · c. 1962-1978

1960s-70s Housing Executive estate

BT70BT71

Standardised semis and terraces across Killymeal and Mullaghmore. Cavity-wall brick, 75-90 sqm.

Typical setup

Back boiler converted to combi during 1990s-2010s upgrades. Standard NIHE-cohort pattern.

Common issues

  • Upgrade-cohort combi 10-20 years.
  • Magnetic filter absent.
  • External condensate freeze-risk.

Best practice on replacement

Like-for-like swap with magnetic filter and internal condensate routing.

03 · c. 1945-2005

Rural BT70/71 oil-heated farmhouse

BT70BT71

Detached rural bungalows and working farmhouses across the Mid-Ulster hinterland. External oil tank, multi-boiler setups common on larger farms.

Typical setup

Grant, Warmflow, Firebird oil boilers. 1,000-2,500L tanks. Multi-zone or multi-boiler on working agricultural properties.

Common issues

  • Pre-2003 single-skin tanks at end-of-life.
  • Burner nozzle drift.
  • Long deferred service intervals because of distance from urban service centres.
  • Multi-boiler interconnects without zoning.

Best practice on replacement

Bunded tank to OFS T100. Match burner nozzle. Annual OFTEC service. Proper zone controls on multi-boiler farms.

Technical constraints

Pressure, flues and planning.

The bits of a boiler install that determine whether your quote is realistic or optimistic. Most of these are checked at survey, not after.

Mains pressure and flue routing

NI Water mains pressure in Dungannon sits around 2.5-3.0 bar at the boundary, lower on rural spur supplies. Flow-rate testing standard. Approved Document J / Gas Safe MI distances apply for gas; OFTEC TB3 for oil.

Planning constraints

Market Square and parts of the historic centre have conservation overlay. A handful of listed buildings around the old courthouse and church need Listed Building Consent. Mid Ulster District Council is the relevant authority. Suburban estates outside the core are standard permitted development.

Honest scope

What we refer out in Dungannon.

Gas Safe and OFTEC registered means gas, oil and plumbing. Other trades need other qualifications, and we'd rather say so than pretend.

  • EICR electrical safety inspections and electrical installation work (NICEIC / ECA electrician).
  • Same-day emergency cover (refer to local Mid-Ulster OFTEC / Gas Safe engineer where possible).
  • Oil tank decommissioning with contamination assessment (specialist environmental contractor).
  • Heat pump installation on off-gas rural properties (MCS-accredited installer).
  • Agricultural process-heating installations (commercial OFTEC specialist).

Neighbourhoods we cover

Working across Dungannon.

If your address sits in any of these, or between them, we'll be with you the same week.

  • Dungannon town centre
  • Killymeal
  • Mullaghmore
  • Drumcoo
  • Coalisland Road
  • Ballygawley Road
  • Moy direction

Priority work in Dungannon

The services Dungannon calls us for most.

Oil Boiler Servicing

OFTEC-registered annual service for oil-fired boilers across Greater Belfast.

From £110

Oil to Gas Conversion

Full changeover from oil to natural gas, including boiler, pipework and commissioning.

Quote on survey

Gas Boiler Installation

New combi, system and regular gas boilers fitted to Gas Safe standards.

From £2,200 fitted

Also available in Dungannon

Boiler Servicing

from £95 inc certificate

Power Flushing

from £500

Emergency Plumbing

Same-day response

Recent work

Jobs we've done near Dungannon.

Common questions

Dungannon FAQ.

How far does your Dungannon coverage go?

We'll travel for booked work like installs, conversions, portfolio CP12s, and full system upgrades across BT70 and BT71. For routine service or single-property emergency, the travel time means a local engineer is often more practical, and we'd say so honestly.

We're on a farm towards Coalisland. Multi-boiler property?

Yes, we cover agricultural multi-boiler servicing and installs. Site survey at quote time, separate certificates per appliance, work can phase across the budget year if needed.

How long does the drive take?

50 minutes from Belfast via the M1 and A4. Standard work scheduled with that lead-time in mind.

Also covering

Nearby areas.

Belfast Lisburn Newtownabbey Bangor

See all areas

Get in touch

Need a boiler engineer in Dungannon?

Send your postcode and what you need. Same-day response on working days. Or send an emergency request.

We respond the same working day. For anything urgent, send an emergency request.

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