Gas boilers and central heating installed, serviced and repaired across Flintshire, Chester and North Wales.
J.A Gas Services is James Antrobus's heating business in Northop Hall, near Mold. James fits new boilers, looks after the ones you already have and puts faults right, with a Gas Safe registration and a Worcester Bosch accreditation behind every visit.
4.9 from 16 Google reviewsGas Safe 595318Northop Hall, Mold

A new Baxi boiler with fresh copper pipework.
Install, service, repair
Plumbing and heating for homes across Chester and North Wales. Gas, LPG and heat pumps, from a first fit to the yearly service and the call when the heating stops.


Install
- Gas Boiler Installation
- Gas Central Heating Installation
- LPG Boiler Installation
- LPG Central Heating Installation
- Air Source Heat Pump Installation - ASHP
- Ground Source Heat Pump Installation - GSHP
- Gas Cooker Installation
- Smart Thermostats
Service
- Gas Boiler Servicing / Repair
- Gas Central Heating Servicing / Repair
- LPG Central Heating Servicing / Repair
- Air Source Heat Pump Servicing / Repair - ASHP
- Ground Source Heat Pump Servicing / Repair - GSHP
- Gas Safety Checks - CP12
Repair
- Emergency Central Heating Repair
Recent jobs
- Annual gas boiler service and fitting of a new radiator TRV
- Hive Hub installation
- Boiler fault find and service
- Provision and installation of a heating control panel
- Zone valve motor diagnosed and replaced
Boilers on the wall
A handful of recent installs, from Worcester and Ideal boilers to the copper pipework behind them. James is a Worcester Bosch Accredited Installer.

Ideal, kitchen cupboard

Worcester, alcove

Worcester

Worcester, new pipework

Worcester, kitchen

Worcester, tiled wall

Worcester, brick wall

Ideal, tiled wall
Reading the gauges
The scores our customers have left on Google and Checkatrade.
Gas Safe Register
J.A Gas Services Ltd
- Registration number
- 595318
- Address
- Northop Hall, Mold, Flintshire
Worcester Bosch Accredited Installer
Checkatrade member since October 2024
Vetted by Checkatrade. Free estimates, cards accepted, and insurance work undertaken.
See the Checkatrade profile“Contacted Tuesday afternoon, booked in for Wednesday morning, James arrived early, diagnosed the problem quickly (Zone valve motor), replaced it efficiently and charged for the service and part fairly. No upselling and very pleasant.”

What customers say
4.9 from 16 Google reviews
“Booked 8am, James arrived and all repairs completed within 4 hours. No upselling, no uneccessary repairs/parts, and very reasonably priced. Cannot fault. Will 100% use services again.”
“Very pleased with the work carried out and my new boiler. James did a very tidy job, very prompt, respectful and competitive price. Would definitely recommend thank you.”
“Recently had a combi boiler installed by James. the work was done with minimal disruption to the rest of the house and was very well done. great work, great person and also great price and i would highly recommend”
“Emailed Saturday evening with a heating problem. Received a response within two hours and appointment made for Monday afternoon. James arrived on time, the heating problem was sorted, along with a boiler service which was an additional request. All this done within the hour, quietly and efficiently. Very impressed and would certainly use this Company again!”
On Checkatrade
9.61 out of 10 from 34 reviews
“great communication, good problem solving, got the job done quickly and efficiently.”
“Was great communication and arrived on time. Really nice guy and did a great job, would 100% recommend”
“James arrived on time when he said he would and was very tidy and completed the job quite quickly”
“Very efficient. Quickly identified and repaired the problem”
“Came to look at a fault on the boiler. Turned out it just needed a service. Work completed quickly and efficiently at a reasonable cost.”
More recent work
A few more of our plumbing and heating jobs.
Where we work
Based in Northop Hall, near Mold. We cover:
- Flintshire
- Chester
- Wrexham
- Denbighshire
Opening hours
- Mon-Fri
- 8am-5pm
- Sat-Sun
- Closed
Northop Hall, Mold, Flintshire CH7
Book a visit or ask for a quote
Tell James what's going on with your boiler or heating and where you are. Estimates are free.





