Harrow's Trusted Gas & Heating Engineerswhat our customers say.

“Lawrence did a speedy and professional job for repairing my underfloor heating, and also maintenance for boiler/hot water system. Very impressed and would recommend him!”

“Very good service. Fitted some bath shower mixer taps and towel rail radiators in my bathrooms. Good, clean professional job. Took the time to check everything properly and provided an explanation of what needed to be done and how. Highly recommend and would use again for future plumbing jobs.”

“We've used J&L many times, for big jobs and small, and they are just brilliant. Decent, trustworthy, friendly and reliable. Nothing fazes Lawrence! He has the most positive attitude of any tradesman I've known…”

“Friendly, fast, knowledgeable, high quality of work carried out.”

“Had a boiler emergency over a cold weekend. Lawrence was able to fit me in early the next day. He troubleshooted the problem and fixed it having the necessary parts. Saved the day! Polite and very knowledgeable. Definitely recommend.”

“Jack and Lawrence are reliable and professional and I would not hesitate to recommend them. After calling Jack and Lawrence for help with a leaky pipe Lawrence attended promptly and resolved the issue on the same day…”

“5 out of 5 stars for every one of the four occasions we've used their services.”

“Excellent service. Called in the morning and Lawrence was at my premises within the hour as he had just finished a job nearby earlier than anticipated. Looked at what needed doing/replacing and provided me with the price…”

“Would highly recommend J&L. They have been reliable, and honest and even gone out of their way to help me out when I called to ask for advice on something! Very professional service.”

“J&L Gas & Renewables Limited has fitted a new combi boiler in my house. Price was good, service and advice were excellent. A real friend in a time of need!”

“Excellent service! Very reliable, friendly and efficient. Would recommend to anyone.”