'Excellent, stress free service. I required a boiler repair. The issues with my boiler was quickly diagnosed and the correct part ordered. It has probably been the most hassle free repair I've ever had!! I will use this company again with any future issues . Seemed really reasonable price wise as well'. 
Sally Goulden 
'Can't recommend highly enough! Andy attended promptly when I was unable to contact the original boiler installer. Sorted the problem quickly, without fuss. I will definitely use Gas Mark 1 again.' 
Caroline Rowlands 
'Rang Andy to service my boiler after reading the reviews on google. Very easy to arrange a time and great service when he was round and at a reasonable price! Would 100% recommend!' 
Gary Lonsdale 
'I would highly recommend Andy for boiler repairs. He was polite, professional and knowledgeable and we will definitely be using Gas Mark 1 again. Excellent service at a very reasonable price!' 
Agata Brzezniak 
'Andy and Jay are brilliant at Gas Mark 1. Called as my boiler was leaking, Andy came the next day and order the part for me. When the part came, we spoke about getting a new boiler as the bolier I had was very old. Andy talked about the best boiler for our house and it was fitted 2 days later. Really friendly guys, who are tidy and get the job done. Even offered to help my son out with his plumbing course!' 
Alison Salisbury 
'I would recommend Andy. My boiler had completely broken down , it was very old and I knew it needed replacing. It was Thursday before Christmas Eve and very cold, I rang Andy and he came the very next day, went got a new boiler and it was fitted before the week end ! The new boiler if good quality and works a million times better than my old one. My house is lovely and toasty. Thanks very much for a quick and efficient job.' 
Gail Gordon 
'Fast and effcient, super reliable and polite. 10/10 recommend them. Quoted and had my boiler installed within two days, Thank you.' 
Rachael Webb 
'Met Andy for the first time over a year ago. Issue with central heating, he came over and fixed it for free within 10 minutes! A few months later we decided to change our boiler and called upon Andy again. Top job from start to finish, and a friendly guy all round. I was even his "apprentice" for a few days while the work took place! A year later and just had the annual service done on the boiler. Can't recommend Andy and Gas Mark 1 enough, you don't find tradesmen like this every day' 
Dalpreet Singh 
'Would highly recommend Andy and his team. Online enquiry form was answered within 30 minutes and a date and time arranged to look at my leaking boiler. Upon inspection Andy gave me the option of repairing or installing a new boiler. Both options came with fair prices. I opted for a new boiler ( as mine was knackered and old ) which he fitted two days later. All communication done promptly via email. If you're looking for a man to repair your boiler or to install a new one Andy is your man.' 
Nia Davies 
'Andy was great, very friendly and was available for my boiler service and repair at short notice. He explained what he was doing as he worked and I would definitely recommend gas mark 1.' 
Nathan Udoh 
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