The Best Plumbers in Stevenage, Hertfordshire, United Kingdom (2025)

TL;DR: I highly recommend TNG Services for plumbing and electrical work, especially for complex systems like underfloor heating combined with radiators. After consulting three other plumbers who misdiagnosed and overcomplicated the issue, Thomas and Gabby not only provided the correct solution but also executed the job flawlessly and efficiently in just one day. They were professional, fair, and experts in their field. Full Review: I recently had TNG Services install a new boiler and optimize my heating system, and I cannot recommend them enough. Before finding TNG, I consulted three different plumbers, including a full-service company, for the issues with my heating system, which involved both underfloor heating and regular radiators. All three gave me similar feedback, misdiagnosed the problem, and unnecessarily overcomplicated the situation. It was incredibly frustrating. Thomas from TNG Services was a game-changer. He approached the issue with a fresh perspective, quickly identifying the root cause and offering a practical, effective solution. We wanted to separate the underfloor heating and radiator systems, allowing them to be controlled individually via Hive for better efficiency and cost savings. Unlike others, Thomas didn’t push for unnecessary work or upsell services. He focused only on the essential changes needed, which was incredibly refreshing. On top of that, TNG’s team is brilliantly skilled. While Thomas handled the plumbing side, his brother Gabby managed the electrical work, and the results were impeccable. Gabby not only separated and labeled all the conduits neatly but ensured everything was safe, functional, and tidy. Their coordination was seamless, and they completed the entire project—including boiler installation—in just one day, exactly as promised. What stood out most was their professionalism, fairness, and expertise, particularly in handling underfloor heating, which many plumbers shy away from. It’s rare to find a team that balances quality work with integrity, but TNG Services absolutely delivered on all fronts. If you’re looking for reliable plumbing and electrical experts, especially for complex systems, look no further than TNG Services. They exceeded all my expectations, and I’m confident they’ll do the same for you.

Very responsive and customer focused. We used their heating and electrical services. Used for two jobs now and I would highly recommend. Professional and great value for money.

These guys came to my rescue last week just as the cold snap started. The boiler died and I had no heat. The guys managed to get the parts within a couple of hours and fitted them in the evening. Great guys that gave me great service.

Incredible service and results. Had new boiler and underfloor installed and maintained 20 years ago by another plumber, but never seemed to work properly. TNG found the issue, fixed and improved it, and it now works better than I realised it could! Had all electrical lights changed to LED and outside lighting and security, which is so effective. Pricing is really reasonable and is a pleasure to have these tidy men working in my house. Highly recommend.

Good communication, timely and thorough. Took on what turned out to be a real pain of a leak repair job with a great attitude. All round positive experience, work to a good standard and kept me up to date throughout. Prices as quoted, very fair. Can strongly recommend Areeb.

We called WaterTight one evening to have 2 radiators taken off and capped urgently and they came out the next day and did this for us. Very friendly and efficient! Definitely recommend 100% and will be using these services again in the future. Thank you so much!

Thank you so much for the new shower and pump you fitted for my mum today. You put her at ease and did a fantastic job. She is very happy and all the family now have your number! Will definitely be recommending you to friends. Deb and Greg.

Areeb just finished sorting our leaky sink and partially clogged toilet due to issues with the outside draining. Would highly recommend and use again as talked through the problems and solutions, did a great job and overall lovely guy!! Thanks for sorting us out and going beyond ⭐️

I recently had the pleasure of working with Archway Heating and Plumbing Services once again, and I can confidently say that Steve is a true professional! This was my second time using their services for a plumbing job, and just like before, I was thoroughly impressed. Steve arrived on time and was friendly and approachable. He quickly assessed the issue with my radiator and explained the necessary repairs in a clear and concise manner. His expertise was evident, and I felt reassured that my radiator was in good hands. The repair process was efficient, and Steve worked diligently to ensure everything was fixed properly. He took great care to minimize any disruption and left the area clean and tidy once he was done. I appreciated his attention to detail and commitment to quality workmanship. What really stood out to me was Steve's dedication to customer satisfaction. He took the time to answer all my questions and provided helpful tips for maintaining my radiator in the future. It's clear that he genuinely cares about his clients and their needs. I highly recommend Archway Heating and Plumbing Services for any plumbing or radiator repairs. Their professionalism, reliability, and exceptional service make them my go-to choice for all my plumbing needs. I will certainly be calling them again in the future!

Following a burst water pipe under the kitchen sink, Archway heating and Plumbing services were really quick to come round, asses the work required and then fix. The quality of work was of a really high standard and Kiani was really nice and friendly too. I will definitely contact them again for any future work and would highly recommend them to anyone.

Michael is an excellent carpenter. He has built three bespoke wardrobes for us his attention to detail is 2nd to none. fitted oak worktops in our kitchen, most importantly, he’s a very polite man

Fantastic service and workmanship with honest and helpful advice. The team completed a complete refit of my bathroom and a new carpet throughout the flat. I was consulted at every step of the way and they could not have been more helpful, going above and beyond to ensure the entire process ran smoothly and they left the flat in an immaculate condition. I thoroughly recommend using Archway Heating and Plumbing Services.

Don't go to Vines if you want a cheap bathroom installed in a hurry by someone who'll unquestioningly do what you ask them to do. Do go to Vines if you want a thorough job, with high-quality fixtures, installed by competent and courteous tradesmen who don't treat your home as 'the site'. Ben Vine, the plumber and project manager, exceeded all our expectations. The job proved massively more complex than we'd expected because of hidden problems in our 40-year-old drainage system, but Ben was an excellent and patient communicator who kept us fully informed throughout. He discussed all our ideas with us as they arose, offering his expert opinion on the practicality and desirability of what we thought we wanted, as well as making suggestions about how we could incorporate aesthetic and practical features that we hadn't thought of. Ben always removed his shoes at the door before spreading his dustsheet up the stairs, and left the bathroom clean and tidy every evening. He visited the house to check that every other tradesman whom he'd commissioned to work for us was doing what they'd been asked to do, and we were happy to leave the project in his hands. The result is a room that's a joy to use, and we cannot recommend Vines too highly.

There just aren't enough stars to award Ben and his fantastic team! Ben completely remodeled, designed and installed a new bathroom. I can't overstate the difference it has made to my family. Ben also installed an up to date gas boiler and radiators throughout the house. This was a huge job, Ben and his team kept the disruption to a minimum. The work was completed to the highest standard, Ben has a keen eye for detail and will never cut corners. His communication is excellent, answering messages quickly and thoroughly. Lastly, if you are a dog owner your pooches are in for a treat....Ben will rapidly become their new best friend!! Thank you from all of us for all of your hard work and humor and dog treats for Riley! Kate

I recently had a new combination boiler and electric shower replaced by Ben Vine and I could not be more impressed. From the initial consultation to the final touches, he was very professional and completed everything to an elite standard. If you’re looking for a reliable, top quality service, Ben is the man. Couldn’t recommend more.

I would recommend Ben from Vines Plumbing and Heating to ANYONE. I booked him in for a full bathroom refurb a few years back as a household treat for when I returned from holiday. I was overwhelmed by the result. Not only was the workmanship sheer perfection, but everything was left spotless. The work involved was complex but Ben went above and beyond to ensure the process was smooth and the result beautiful. I have no doubt that Ben will continue to make many happy customers in the future.

I have used FDT for minor works in the past ie boiler service and was always happy with the service provided so I asked Frazer to quote on a new bathroom. He helped me with the design and then the work schedule was agreed on. From start to finish it took just over 2 weeks and I am very happy with the outcome. Frazer uses trusted tradesmen to carry out the parts he doesn't do. He uses a tiler, plasterer and painter but he organised it all. He made sure it all ran on time and kept me updated as to the schedule of works. I cannot recommend Frazer highly enough

We used FDT for a full bedroom/en-suite renovation. Frazer was very professional throughout, always on time and completed the work to a high standard. Would recommend.

Excellent service. Frazer gave us a quote for a new boiler and installation which was very competitive. Turned up on time and finished when he said he would and tidied up after himself. All was painless, we could not be happier.

Recently moved into a property that had an extremely old boiler. Frazer provided a clear, easy to understand quote, and replaced my old system with a nice new Combi + Hive. The new boiler is quiet, efficient, and quickly heats the home. The work was done in a clean manner, ahead of schedule, and everything is running smoothly. Frazer is very professional, and incredibly responsive to any queries, which is especially helpful if you haven't had this kind of work done before. Really excellent work - thank you! Will use again for any future work or services.

Friendly staff, fast service, reasonable charge and very happy with the excellent quality work. I would definitely hire them for my future home improvement projects.

Fantastic reliable and best service ever. Would highly recommend for all plumbing and heating services.

Excellent service and very good quality service, kept myself informed on what was being done, would highly recommend Johnny for any plumbing services.

These guys did the plumbing in my apartment! It was a mess before...constant leaks in the bathroom and kitchen. But Johnny and his team did an AMAZING job. They even started the job a day early, finished on time. I have been very happy with the work they have done and will definitely recommend to my friends and family.

After contacting Yunus for a quote for some work he was very quick to come round and have a look at the work to be done and give us a quote- which was very reasonably priced. The job was booked in quickly and on a day convenient for us. On the day Yunus was prompt to arrive and was very clean and tidy. Very happy with the work done and we look forward to getting him back in for more work in the future!! Wouldn’t hesitate to recommend YT plumbing

Yunus done an amazing job on replacing and installing my living room radiator while being very tidy, leaving as clean as he arrived top marks allround. Very transparent and honest tradesman which are not always easy to find. Punctual and arrived early. I would use hes services again at a heartbeat. Thank you Yunus!

I had my radiators flushed as they've never been done and I've lived in my flat for 20 years, and I'd been having trouble with my heating/hot water on and off. Really good service, friendly guy, and reasonably priced. Respectful of my property and left things tidy. Would recommend.

Our boiler was on its last legs, and the day was saved by Yunus! He has replaced our boiler over a period of 3 days, cleaned the system, and even got the old radiator that hasn't worked since we moved in 4 years ago to work! There was an issue with the shower, but it was very quickly resolved as well. Every day he cleaned up after his work, and was very tidy throughout the day, which was great, you don't get that very often! Our new boiler is fitten with HIVE, which is great, and it all costs exactly what the quote said it would cost, which is again, doesn't happen very often these days. Boiler was registered, everything was explained to us, all around great service! Look forward to having him back to inspect the boiler annually.

Dylan visited our home to explain the Boiler options and organized an engineer to replace our boiler next day. I am very happy with the prompt service and would recommend Walsh Plumbing to anyone without any hesitation. Brilliant service and very happy with the new boiler Worcester which I can now control the temperature via my mobile phone from anywhere. Technology at forefront.

I was a little concerned when it became obvious that l needed to replace my boiler, regarding all the scams that you need to be wary off nowadays. I contacted several companies for advice and quotes. One company- Walsh Plumbing Ltd. (based in Stevenage) stood out from the rest. After discussing my needs with Dylan, (the owner) l felt comfortable with all he said, he did not try to feed me any B/S or sell me a system that l did not need (but would be a bigger profit for him). After discussions with the other suppliers l went with my gut feeling and contacted Dylan some six months after our initial contact. He offered to keep to original quote and arranged for the boiler to be replaced the following week. I am more than pleased with my decision, from Dylan to Gaynor, the receptionist (always polite and professional) and last but not least, Mikal (one of the service engineers), what a gem! Arrived on time, his work is immaculate. Walsh Plumbing were not the cheapest quote I had but their standard of work and customer satisfaction are second to none. l have no hesitations in recommending them to anyone who wants to deal with a Company such high ideals and standard of customer care. PS, l am not related to them or on a commission, just happy that l put my trust in them. Happy Christmas to all.

I can’t recommend this company highly enough! Excellent service from start to finish. I suspected I needed a new boiler when it failed yet again. Walsh came out the next day and talked me through all my options and fully explained everything. After deciding to go ahead they arranged it within a week to fit in with my work commitments. On the day of installation they arrived and everything went perfectly. Brilliant job, very happy with the price and the aftercare. They made a very stressful time a walk in the park! Thanks to everyone I dealt with, you definitely deserve 5 stars!

We had a leak in our hot water cylinder and were looking to switch to a combi boiler system. From the outset, the service from Dylan Walsh Plumbing was excellent. Dylan came out to scope the work and spent a great deal of time with us, explaining our options, testing the water pressure, and helping us identify the best solution to future-proof our home. We’d had other quotes from plumbers who spent less than five minutes on-site, knocked on a few walls, and didn’t discuss even a fraction of what Dylan covered. His attention to detail and expertise gave us complete confidence, we knew we’d go ahead with him before the other quotes even arrived. Gaynor was extremely polite and professional throughout and made sure all our questions were answered promptly. The whole process was well organised from start to finish, which made everything feel smooth and easy. The work was fairly urgent, and Ross, the engineer who carried it out, did a brilliant job. Everything was completed efficiently and to a high standard. After dealing with a number of plumbers over the past year, we can confidently say we’ve found a trusted company. Could not be happier with the service and will definitely be using them again!

He came out to us on the same day, was extremely professional, and quickly identified and fixed the issue with no fuss.( Had a leak in kitchen) His workmanship was fantastic , and he left the area spotless after finishing the job. I couldn’t be happier with the service and will definitely call Dan for any plumbing needs in the future. Highly recommended!

Amazing! I didn’t have the easiest of jobs but Dan logically worked through it and found the issue and fixed it! Extremely professional and being a single women I felt very safe with Dan in my house. Was recommended and would recommend Dan to anyone and will use again if ever needed. Very much appreciated in getting my Hot water and Heating working again. Thank You!!

Excellent service! Dan did a great job—professional, efficient, and right on time. All the work was completed to a high standard, and the quote and time estimate were spot-on with no surprises. Really appreciated the clear communication and reliable service. Highly recommend!

Dan is an exceptional plumber! He came out to us on the same day, was extremely professional, and quickly identified and fixed the issue with no fuss. His workmanship was top-notch, and he left the area spotless after finishing the job. It’s clear he takes pride in what he does. I couldn’t be happier with the service and will definitely call Dan for any plumbing needs in the future. Highly recommended!

Came out at half an hours notice to fix a broken heating pump when LLoyds/AA/Homeserve insurance failed to turn up for appointment. Not the cheapest, but knew his stuff, and everything working in half an hour. Add to that, he is a nice guy. Can’t say more.

Had a leak coming through the ceiling, was out to me within the hour. Excellent service, top work and explains everything in detail. Would definitely use again.

Dan came to have a look and see if he was able to help me with a broken tap at short notice. Fitted and cleaned up within an hour. Really impressed and gave some good advice on some other plumbing questions. Would definitely use again.

I started using Waterworks nearly a year ago. Excellent professional service and always communicate clearly about when they can do a job. Refreshing change!