/
Endorsed by Which?
GMH Gas Maintenance Heating Ltd
Opening Hours
Today -
- Monday 08:00–17:30
- Tuesday 08:00–17:30
- Wednesday 08:00–17:30
- Thursday 08:00–17:30
- Friday 08:00–17:30
- Saturday - Closed
- Sunday - Closed
About
GMH Limited has been operating for 14 years with over 20 years experience in Heating and Plumbing. All of our Engineers are fully qualified and are Gas Safe registered as well as keeping up to date with Worcester Bosch Accredited Courses.
We provide a polite friendly service where no job is too small, from the service of a boiler to a complete heating and hot water system. We also understand that reliability is key and work with people on all Budgets and aim to carry out work with the minimum of disruption for our customers at all times.
Offering a professional experienced service the majority of our work comes through recommendations from existing customers and we are always happy to provide references of work carried out.
For further information or if you need an estimate please contact us on 01737 216111 or by e-mail gmhltd33@gmail.com providing your name and contact details.
What we do
Heating contractors
- Central heating systems (installation and servicing)
- Oil fired heating equipment
- Immersion Heaters
Boiler, central heating and gas engineers
- Boiler installation
- Boiler repair
- Boiler servicing
- Gas safety testing and inspection
- Radiators and central heating
- Underfloor heating
- Gas cooker installation
- Gas emergencies
- Immersion Heaters
- Power flushing
Plumbers
- Unvented cylinder installation and maintenance
- Water softener installation and maintenance
- Emergency plumbing services
More Services
- plumbing
My work
Customer reviews
Why you can trust these reviews
All reviews are verified as being genuine and a true customer of this trader.
How can we be so sure?
100% of the reviews we publish have been through our stringent moderation process.
5.0
26 reviews
Recommended
Recommended
by 100% of customers
Sort by
Highly recommend for boiler installation
Customer Service
Quality
Value
Gary Horton had serviced my back boiler for several years and I was impressed by his attention to detail and knowledge. I therefore had no hesitation in asking him for a quote to remove the old boiler and have a condensing boiler installed in the new position in the Garage. The work also involved replacing an old radiator in the Kitchen and also putting in an extra one in the Lounge. The system was power flushed and left running with an inhibitor. The team arrived promptly each day and worked well and efficiently. The installation went smoothly and the team was considerate and thoughtful throughout. I will be using them for the annual boiler service and I have no hesitation in recommending this company.
Customer in Surrey
, work completed
Recommended
Top Job
Customer Service
Quality
Value
Used Which Trusted Traders to find a local CH company to replace a CH motorised valve with leaky connection and discovered GMH Ltd with great reviews. After exchanging a couple of emails with Mandy in the office and sending a photo of the problem, I received a competitive quote and an appointment was made for a couple of weeks later. Harry arrived promptly on the day with the parts and completed the job without faff or drama. I plan to use GMH for all future CH and plumbing work. I thoroughly recommend GMH Ltd. Which Trusted Traders is a great platform to find quality businesses.
Customer in Surrey
, work completed
Recommended
I would thoroughly recommend when installing a new boiler
Customer Service
Quality
Value
GMH were amazing! On the days the new boiler was being installed, they arrived at the arranged time every day, minimal amount of mess and noise and fuss, very helpful information from the main engineer when installing the app, the boiler works beautifully and the installation work looks great.
Customer in Greater London
, work completed
Recommended
Excellent and efficient
Customer Service
Quality
Value
GMH gave a clear and detailed quotation for installation of combi boiler to replace conventional central heating boiler. Quote was prompt and replies to a couple of queries were also very quickly responded to. Work involved removal of hot water tank/and associated pipework as well as draining of cold water tank and removal of pipes in loft. New pipework was installed to adapt central heating and hot water to new system. Gary and his team arrived promptly, worked solidly over the two days, gave clear explanation if I had any questions. A really efficient team. I have now booked them for a smaller job and will use them for annual service. I would recommend them highly.
Customer in Surrey
, work completed
Recommended
Pleasant and talented team
Customer Service
Quality
Value
We required a boiler update. Gary from GMH visited to assess our old boiler and gave advice on suitable products. GMH sent an email with a quote and the agreed date and time that the work would begin. The work commenced at the agreed time and date. The guys worked in a considerate and thoughtful manner. The work was completed in a timely way and upon completion, everything was tidied away. What's not to like? 10/10
Customer in Surrey
, work completed
Recommended
Water leak!
Customer Service
Quality
Value
After having a water leak to a mains pipe in the hall. The plumber sent by the insurance company could not stop, the leak the only advice he could give me was to "call the water supplier". I called GMH they arrived quickly were courteous, friendly and fixed the leak within the hour even helping me to clean up the mess. Would highly recommend will definitely be using them again.
Customer in Surrey
, work completed
Recommended
Excellent service
Customer Service
Quality
Value
I have used Gary for many years for various gas safety checks for rental properties and he's always proven to be prompt at both replying to emails and attending the property and he's extremely personable with good, friendly advice. On the last occasion, we had a bad smell in our bathroom which had been a problem for some time. Gary had a look, made a recommendation to fix it and within 3 days had the required part and had installed it! All for very reasonable pricing. We wouldn't go elsewhere for our gas or plumbing needs and would recommend Gary for anyone looking for a great, local service.
Customer in Surrey
, work completed
Recommended
Highly recommended
Customer Service
Quality
Value
Gary Horton has been servicing my boiler for many years and I have always been more than satisfied. He and his employees are courteous and helpful, clean and tidy and totally reliable. They are pleasant and friendly and highly professional both on the phone and in the house. This recent job was not urgent but very annoying as the heating system was very noisy due to air in the pipes. It is now quieter than it has ever been and I am very pleased. Gary was very cooperative about the social distancing and is happy to discuss these situations alongside the work needed. I have previously recommended him to another family member who is also extremely satisfied with his work. I have no hesitation in rated him highly.
Customer in Surrey
, work completed
Recommended
Highly-skilled heating engineers that are nice to deal with
Customer Service
Quality
Value
We've used GMH for many years and know lots of people who use the company locally. Had new boiler fitted 3 years ago by them and had services each year since. Workmanship is excellent. They are well organised and all the guys in the small team are just brilliant to deal with, always offering solutions and advice. Tidy workers too, taking care to make sure you're 100% happy on every call. A really motivated group of technicians with a good office organisation behind them. Really recommend this company.
Customer in Surrey
, work completed
Recommended
Annual Boiler Service
Customer Service
Quality
Value
GMH attended to provide my annual boiler service Gary attended on time and was courteous and polite All work completed to a high and competitive standard I have used GMH for over 10 years and they have installed new Worcester Bosch boiler systems in my 3 previous properties
Customer in Greater London
, work completed
Recommended
A quick response
Customer Service
Quality
Value
GMH responded promptly to a boiler breakdown in my 95 year old Mother's house. They were alerted early in the morning and the heating was back on by mid afternoon. The service was personal, responsive and efficient. I cannot praise them enough. We have had a 8 years of regular boiler servicing before this. I would recommend this company to everyone.
Customer in Worcestershire
, work completed
Recommended
Highly Recommended
Customer Service
Quality
Value
We’ve used GMH for our annual boiler service for a few years now, always very reliable with quality work and reasonable pricing. More recently Gary’s team completed some plumbing repairs for us, they have done a great job and have been very good in coming back to make some necessary adjustments. Recommended to us and would also highly recommend them.
Customer in Surrey
, work completed
Recommended
Pleased with work, already recommended
Customer Service
Quality
Value
Company relatively small, courteous. Very good job for a day and a half. Pleased with work.
Which? Trusted Traders Consumer
, work completed
Recommended
All fixed in 24 hours
Customer Service
Quality
Value
Problem with radiators not warming up. Gary from GMH quoted for the repair, attended, fixed with replacement valve, replaced thermostat at our additional request, and completed job within 24 hours of our call. Neatly done, everything left clean (shoes left at front door too!), job completed to quoted price. Will be first to call next time there's a problem.
Customer in Surrey
, work completed
Recommended
Trustworthy advice and very good standard of work
Customer Service
Quality
Value
In the context of a planned kitchen refurbishment GMH were asked about simplifying rerouting, removing poorly sighted and unsightly pipework. In consequence of this a report was produced that was key to British Gas remediating substandard work and removing their redundant pipework. GMH did a great job on tidying the other pipes. They were asked to fit 3 new radiators plus, some upgrading and maintenance of the central heating system. Encouraged by their work GMH were also asked to install a new high level WC cistern and toilet which needed to be adapted to suit existing plumbing and other constraints. This was also completed very satisfactorily. The work was undertaken within the figures quoted.
Customer in Surrey
, work completed
Recommended
Boiler conversion/replacement
Customer Service
Quality
Value
Gary was quick, efficient & always answered queries with out delay. Price was very reasonable considering the amount of work there was to carry out. Job was kept clean and withe the minimum of disruption. Price was as per quote. Very good company and would highly recommend.
Customer in Greater London
, work completed
Recommended
Recommended. Boiler replacement on time and budget
Customer Service
Quality
Value
GMH replaced our 50 year old gas boiler, and all radiator valves. The quote was roughly in line with other quotes. They turned up on time and completed the work efficiently with minimal disruption. Communication with the company was good. Gary explained clearly what was going on and was happy to talk through options. The work was done on time and to budget. I can't comment on after sales or servicing as the installation was recent. Would recommend.
Customer in Surrey
, work completed
Recommended
Perfect job completed on time
Customer Service
Quality
Value
I have used GMH many times over the past twenty years or so and have recommended them to family, friends and clients. They’ve just completed the first phase of works at my office, on time and to complete satisfaction. They stayed late to get the job done. Great company and strongly recommended.
Customer in Surrey
, work completed
Recommended
New Boiler
Customer Service
Quality
Value
I was recommended to use GMH by a friend who had used them to replace their boiler. GMH supplied & installed my new boiler and upgraded my central heating system with a new wireless one and installed thermostats on a number of radiators. I recommended GMH to a client of mine who also used them to install a new boiler. Subsequently in December 2018 GMH returned to install a replacement boiling hot water tap. GMH's service was reliable and good value for money and they will be my first point of call in the future.
Customer in Surrey
, work completed
Recommended
Plumbed Whole House
Customer Service
Quality
Value
This trader first worked for us 3 years ago, during a house extension. They have been back to do two other bathrooms since. Work is always to a high standard and completed on time. I have recommend GMH on to a couple of friends who have also been very happy with the work.
Customer in Surrey
, work completed
Recommended
Successful bathroom conversion
Customer Service
Quality
Value
Successful Bathroom Conversion I have just had my bathroom changed so that I could have a walk in shower instead of a bath. GMH Ltd were very helpful in the planning of the work providing me with brochures so that I could see what I was ordering. They also gave good advice on what would be appropriate and what would work well. When it came to the work GMH Ltd made a quick job of removing the old fittings and enabled the tile fitters to start their work as the schedule had called for. GMH Ltd also organised the electrician to replace the electrical fittings . Finally they installed the new shower unit, sink unit and toilet unit. The work of GMH was of a high standard and I am satisfied with the new bathroom. I could recommend GMH Ltd to anyone.
Customer in Surrey
, work completed
Recommended
Repair motorised valve
Customer Service
Quality
Value
This job was well done and quickly. We also use this company for our oil boiler service as they are OFTEC registered. They are pleasant and very efficient in responding to our requests.
Customer in Surrey
, work completed
Recommended
Highly Recommend
Customer Service
Quality
Value
We have used GMH's services for approximately 10 years. In that time, GMH have totally upgraded our central heating system with a new wirelessly controlled one, installed a number of new radiators, fitted in new boilers, installed a mega flow hot water system with booster pump, a water softener, a water pressure reducer, as well as fitting in new toilets and cisterns. GMH regularly services our appliances and provide a very helpful repair service. Their expertise, advice and service has always been reliable and first class and we are so pleased to have found them. Thank you GMH.
Customer in Surrey
, work completed
Recommended
Reliable, good honest work!
Customer Service
Quality
Value
I have had GMH service our boiler each year since they replaced our old back boiler with a Bosch boiler in a new position 12 years ago. Always happy to recommend Gary and his team and they have replaced a boiler at my daughter’s flat and service my parents’ boiler too.
Customer in Surrey
, work completed
Recommended
Outstanding Company.
Customer Service
Quality
Value
This is an outstanding Company.. Gary Horton and his team put in a new boiler and all that that entailed, plus yearly servicing for approximately eight years before I moved. He is professional, knowledgeable, courteous and willing to go the extra mile to help and advise, his staff are superbly trained by him and all are highly qualified. I have recommended Gary to others and he fully deserves every accolade for the consistency of the high standard of his workmanship. I wish Gary and his Company every possible success
Customer in Surrey
, work completed
Recommended
Reliable
Customer Service
Quality
Value
Recently my heating stopped working. I got GMH to call the same day. The engineer found the gas valve on the boiler had broken. He fitted a new one, tested it and got the heating working. The cost of the work was very reasonable. Any problems after work was finished was sorted out free of charge. The office staff and engineers are very helpful, pleasant and reliable. I have been using GMH for 10 years for boiler servicing every year and other problems. It is a pleasure to have GMH working for me.
Trevor, Surrey
, work completed
Recommended