Gas Flow Heating is an independent local tradesperson covering Hemel Hempstead.

1. ppamela carleton★★★★★

   Well managed and quality service from this company for plumbing repairs and boiler servicing. Communication both online and at my home by the engineers was excellent. Tidy and polite engineers, Brandon, Theo and Rhys. Highly recommended.

   Google review · 19 Jun 2026
2. AAdrian★★★★★

   Came out very quickly to assess the problem with my boiler, ordered parts the same day and came back to fix as soon as they got them. Also showed me where our immersion heater was (didn't even know I had one) and put new batteries in my doorbell, which really is above and beyond the call of duty!

   Google review · 18 May 2026
3. CCeleste★★★★★

   I recently had my bathtub and shower replaced, and I???m genuinely impressed with the quality of the work. Bradley and Theo did an excellent job???careful, precise, and attentive to all the small details. They made sure everything was safe, resilient, and beautifully finished, and the bathroom looks so much better now. Both were professional, polite, and easy to communicate with. I wholeheartedly recommend them for any future jobs. Their craftsmanship and attitude really stand out.

   Google review · 23 Apr 2026
4. PPatrycja Domagalska★★★★★

   Great experience! I believe it was Reece who came out to sort out a leak under the sink Not only was he polite, happy and held a conversation well, plus he was very professional! He updated us on everything happening, why things were happening, what could???ve gone wrong and what he was doing to rectify it! Call out was very quick, from reporting issue to it being seen to and fixed, was a matter of days (issue was non emergency)

   Google review · 14 Apr 2026
5. EEmma Waliczek★★★★★

   Amazing service from gas flow. The engineers and booking team are all really lovely to deal with. Chris who was engineer that came was very knowledgeable an helpful and we are really impressed. I highly recommend them to anyone that needs boiler or repairs. They made the experience as stress free as possible. Very happy!! ????

   Google review · 12 Mar 2026

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