Graham Wallace Plumbing and Heating Ltd is a Belfast based company which aims to deliver the highest standard of workmanship at a price you can afford.
0% Finance on all New Gas Installations

Email: info@gwallaceheating.co.uk
Phone Now: 07878548460

Online Quote
Oil to Gas Conversion

Your current oil fired central heating system may be costing you money!


Some boilers are running at 60% efficiency or less – with gas you could be saving up to 40% efficiency!

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Radiators and Sinks

Plumbing and Heating

Professional and Safe

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Underfloor Heating


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Range install


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Oil to Gas Conversions

Heating Installations

Professional Advice

Free Survey

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Get a Call out


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Boiler Service


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Great job well done

Just had our old gas boiler and a couple of radiators replaced by Graham and his team and would like to put it out there how great a job they did.Would thoroughly recommend him to anyone. First class!

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Other Services

Leaks and repairs
Toilet fitting
Phoenix Gas installation
Wet rooms installation
High efficiency boilers
Water tanks service
Radiators
Sink units install

Other Services

Oil to gas conversion
Boiler service and replacement
Underfloor heating
Range installation and service
Home visits
Bathroom fitting
Power Flushing
All domestic work

GRAHAM WALLACE PLUMBING AND HEATING LTD

Expert and Trustworthy Gas and Heating Engineer – A PLUMBER YOU CAN TRUST, AT A PRICE YOU CAN AFFORD
Are you looking for a local plumber you can trust? Graham Wallace Plumbing and Heating Ltd is a Belfast based company which aims to deliver the highest standard of workmanship at a price you can afford.

For a quotation for:

  • Gas and oil heating installation
  • Conversions from oil to gas
  • Boiler servicing and replacement
  • Bathroom fitting
  • Power flushing
  • All domestic work

Contact Graham on 07878 548460 (m) or email info@gwallaceheating.co.uk

Opening Hours

Monday 8am – 4.30pm

Tuesday 8am – 4.30pm

Wednesday 8am – 4.30pm

Thursday 8am – 4.30pm

Friday 8am – 3.30pm

Saturday Closed

Sunday Closed

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Average rating:  
 5 reviews
gas conversion

graham and his team installed our gas in the time that they suggested
two days,great job great team very clean and tidy would recommend
them to anyone.

Professional and reliable

I have just converted my home from oil to a natural gas heating system. Having received numerous estimates and engineers call, I had no hesitation in giving Graham the contract. He explains what work is necessary, and also what is unnecessary. He is honest, reliable and ensures the work is carried out professionally and meets all safety standards. I have no hesitation in recommending Graham and his dedicated team.
Mr & Mrs Cumiskey, Belfast, 03/18

Gas Conversion

Great team, excellent work, happily recommend them to anyone.
Mr J Grahame, Carrickfergus, 31/01/18

Excellent job!

Graham's pre-contract advice was excellent. I am very impressed with the quality of the work, the care his men took in thinking out the neatest solution to the problems they encountered, their speed and efficiency and their pleasant and considerate manner working in our house. I was impressed with how Graham came in the evening so sort out a gas supply problem and got the boiler started so the programme would not slip. He started and finished the job on programme and his price was competitive. A first class job.
John Clarke, Stranmillis, Belfast

Quality tradesman at last!

Graham replaced our gas boiler with a new Worcester 30I. The best part is Graham and his team carried out the work quickly but professionally with a pleasant courteous manner in all aspects of the instalment. Highly recommend Graham Wallace Plumbing
Michael McKeown, Belfast, 21/04/16

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