I asked Darren to come and look at my boiler after another engineer who was doing a service recommended repairs and a replacement of parts. Darren had installed the boiler 12 years earlier and I remembered the excellent service he had given. Turning to him turned out to be a wise move! He responded very promptly, checked the boiler and made quite minor adjustments and reassured me that no major work or new parts were needed. He exudes an air of honesty and reliability, was very professional and charged a very fair price. He also gave good advice for the future. Thoroughly recommended!!

Darren Appel is the expert behind EPG, serving all of London and Surrey. With 20+ years’ experience, he’s Gas Safe & NAPIT registered, specializing in boilers, plumbing, and electrical work — delivering reliable service and top-quality installations.
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I am very pleased to recommend Darren for the work he carried out. He was punctual at all times, professional in his approach, and extremely polite and courteous throughout. Darren listened carefully to the client’s instructions and followed them precisely, ensuring that everything was completed exactly as agreed. He kept strictly to the agreed price with no unexpected extras, which was very reassuring. His work was carried out in a clean and tidy manner, and he made sure the area was left neat at the end of each day. Darren also honoured all agreements and timelines, demonstrating reliability and strong attention to detail. Overall, Darren is dependable, professional, punctual, tidy, and easy to deal with. I would not hesitate to recommend him and would happily use his services again.
Darren is responsive and trustworthy. Can be relied on to try the simpler things first and not rip you off with new replacements. He is our go-to person for boiler and plumbing issues. Parking and congestion charge has to be arranged and paid for up front and card payment taken at completion of the job by phone. Invoice and receipt and sometimes videos sent promptly after.
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