“The initial surveyor understood our needs, gave excellent advice and recommended an excellent system for us. The fitters were excellent - professional, knowledgeable, extremely tidy and pleasant to have around the house. They even spotted a gas leak in our road which led to remedial work by the gas board!” Customer in South Croydon

“Excellent work. Punctual and friendly engineer, left all systems working and the place tidy and rubbish etc removed same day. Very pleased.” Customer in Sutton

“Carshalton Boilers are always reliable, prompt, polite, friendly and leave everything tidy. I would thoroughly recommend their services.” Customer in Caterham

“Friendly, helpful and very efficient person. He fully explained to us the various controls of the boiler and testing and the yearly service. The service was in a word Superb.” Customer in Sutton

“Annual service was arranged following Carshalton Boiler Services reminder. Visit completed efficiently and phone call received early next morning to book visit date. Again completed on time.” Customer in Epsom

"Very efficient installation to a high standard. All testing rigorously done to and above regulatory standards." Customer in Epsom

"Works were carried out as planned. Engineer was very professional in work and very courteous. Will use again for service of new boiler." Customer in Wallington

"Alistair visited me today to repair my oil-fired boiler. I would like to say thank you. A true professional who just worked away to fix it. I will call upon yourselves for the next service. Please convey my thanks to him." Customer in Sanderstead

"GFM have been using CBS since 2016, for both our Commercial Boiler and our Domestic Boilers. CBS attend to our callouts very promptly and the CBS staff who attend are very friendly, polite & professional dealing with both ourselves, and our clients. GFM would recommend CBS to both business users, and the general public for their professionalism, can do attitude, and excellent staff, both engineers, and office based, who always easy to talk to and always go that extra mile!" Grosvenor Facilities Management