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Very high standard of work carried out by Mark. Solved my issue,very knowledgeable,punctual and tidy. Would recommend & certainly use again.
Patrick
Viktor and his team thanks so very much for all your hard work these guys know how to give a professional job very approachable nothing too much trouble they just get on with the job so we didn't have too worry would have them back in a heartbeat
Linda
Excellent service, easy to deal with, good price. Would recommend and will definitely use again.
Anne
Browse reliable Gas / Heating engineers in Welwyn
Take a look at rated Gas / Heating engineers serving Welwyn, read reviews and submit your job for free.
A Waters Plumbing & Heating At C A Waters Plumbing & Heating, we’re proud to offer reliable, high-quality plumbing and heating services across London and Hertfordshire. With hundreds of 5-star reviews across Google, Which? and Nextdoor, our team is known for honest advice, expert workmanship, and dependable service. We cover everything from boiler installations and repairs to general plumbing, central heating upgrades, and emergency callouts. Whether it’s a leaking pipe, a full bathroom refurbishment, or a new energy-efficient heating system, we’ve got you covered. All work is carried out by fully qualified engineers and backed by a 6-month labour warranty for peace of mind. We’re committed to delivering long-term solutions, not quick fixes — and we treat every home with the respect it deserves. Looking for a trusted local plumber? Contact us today to see how we can help.
Fabulous, measured and considered diagnostic. Managed to diagnose and fix pressure and flow issue several other plumbers had failed to do. Pleasant and professional. Will be my go-to plumber going forward
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We have been established since 1999 and have offices in St Albans & St Neots. All engineers are highly Qualified with many years of experience. We offer a reliable and professional service covering all types of Plumbing & Heating works.
Excellent service... No fuss and gave great advice post job
I specialise in providing a wide range of heating, gas and plumbing services to domestic customers throughout Essex, Hertfordshire and London. My aim is to provide all of my customers with a professional, honest and reliable service that is excellent value for money. I am a highly skilled and experienced Gas Safe engineer with plumbing qualifications and experience, giving you complete peace of mind that your gas and plumbing works are in safe hands. I'm
A pleasure to deal with. It was a small job but communication was great, turned up exactly when he said and cleared up fully after. Highly recommended
With over 20 years experience ,fully trained and highly qualified you can be sure you will receive top quality service at the highest standards .We offer prompt,reliable and honest service.We will always treat your property and home with respect .
Monty is great! We got a gas certificate and boiler checkup for a property we are buying. He was attentive and honest, two qualities a first time home buyers look for when it’s their first time getting service. Great communication laddering up to the day, too. Highly recommend!
46 years experience working in the Plumbing and building industry both domestic and commercial.
London Gas is a gas central heating and plumbing company that has been established for over 30 years. We cover all areas of North, West, East London and Hertfordshire Our commitment is to help you every step of the way to ensure you get the right heating for your home. London Gas is a family run heating and plumbing company with many years experience. We have worked hard to build a reputation for quality that leads to many of our customers recommending us to family and friends. We take pride in delivering the highest standard of workmanship. Whether you have an emergency, need central heating, a new boiler installation, repair or servicing and you want to get a safe professional every time choose London Gas. We guarantee any work completed by London Gas for 12 months. London Gas are Gas Safe registered plus Valliant Approved registered installers, this means you will get extended manufacturer's warranty from a standard 2 years up to a maximum of 10 years.
Charlie responded and came immediately. Installed a new shower pump - also new shower and taps and redid some pipe work. Great job and a really nice guy. Thanks Charlie!
UNIQUE LOOK CONSTRUCTION LTD
Gas / Heating engineer
Unique Look Construction The story of these company start in 2024 after almost 10 years of working form somebody else i decided to start my own business . We deliver a large range of services and able to take care of the whole project . Happy to help with any work like -new build -extension -loft conversion -general renovation -landscaping -gardening Contact with confidence to carry out your project
With over 11 years of experience, we specialize in carpet, vinyl, LVT, laminate, engineered wood, and tiles. Known for high-quality materials at unbeatable prices, we deliver expert service through our well-trained, fully equipped team. Choose us for reliable, affordable, and professional flooring solutions.
Abdul was very proactive and checked whether my other Building work in the bathroom had completed. He arrived punctually and did a really good job particularly given that the supplier had sent a piece of lino which was about 2 cm short. Abdul did a good job of making it look okay and it was much appreciated.
SKYRISE CONSTRUCTIONS DEVLOPMENT LTD
Gas / Heating engineer
SkyRise Construction Development Ltd is a professional construction company with a core focus on delivering high-quality flooring solutions for both residential and commercial projects. We specialize in a wide range of services including tiling, floor installation, concrete works, plastering, and precise tile finishing, ensuring every project is executed to the highest industry standards. With a commitment to excellence and attention to detail, our experienced team provides complete flooring services—from surface preparation and leveling to the final finishing touches. We combine technical expertise with modern techniques to deliver durable, functional, and visually appealing results tailored to each client’s needs. At SkyRise Construction Development Ltd, we prioritize quality workmanship, efficiency, and customer satisfaction. Our goal is to consistently exceed expectations by delivering reliable, cost-effective, and long-lasting flooring solutions, making us a trusted partner for all types of construction and flooring projects.
REXHA BUILDERS
Gas / Heating engineer
My company is a small company of highly skilled employees with over 20 years experiences. I have recently made my own company called ‘Rexha Builders LTD’ and would like to offer you the best quality work that will make you love it.
We are a small and fast growing family run company with big plans for the future who will provide an excellent service on any roof in any circumstances, we specialise in flat roofing, pitch roofing any kinds of small and large leak repairs, skylight window fitting, cladding gutters and also undertake any other jobs, all at its best service.
Gabriel carried out the work in a very professional manner, he was prompt and reliable and I would have no hesitation in recommending him and using his services again in the future.
Rated People
Gas / Heating engineer
Loft conversion specialist, with 25 years worth of experience.
Roberto Building Services Bathroom and kitchen specialist.
We were very pleased with our bathroom fixture being installed. Robert was very thorough from start to finish. He explained all what needed to be done. Time scale was on point. Very polite and professional. Thank you Robert ! I will recommend you to friends and family.
Bedfordshire based carpentry and property improvements company . offering carpentry internal and external , as well as having a strong diverse team of different trades operating within the company , all aspects of building work taken on board and a professional job from start to finish .
Very unprofessional Postponed the agreed date and then ignored all messages Avoid!
I have spent over 13 years in the Plumbing & Heating industry working in both domestic and commercial so my experience is second to none. I pride myself on keeping good relations with all my customers to ensure my work is carried out to a high standard, while also keeping my prices very competitive. NVQ Level 3 Qualified/Fully Insured My services Include - Repairs on all heating systems Boiler Installs Cylinder replacement/Installation Radiator replacement/installation Smart room stats Power flushing Tap changes Tiling Re-siliconing Bathroom Installation General plumbing/repairs
Your Trusted Experts in Boiler Installations, Heating Repairs & Plumbing Solutions Say goodbye to cold nights and plumbing nightmares! Whether you need a brand-new, energy-efficient boiler, fast heating repairs, or expert plumbing work, we’re your go-to team. With over 20 years of experience serving homes across London & the south east we know the importance of reliable service and lasting results. •Boiler Installations – Reduce your bills with cutting-edge, eco-friendly boilers installed by professionals. • Heating Repairs – Emergency? No problem! Our rapid-response team will have your home toasty in no time. • Plumbing Services – From leaking taps to full bathroom installations, we handle it all with precision. Why Choose Us? • Local Experts with a Personal Touch • Affordable, Transparent Pricing • 24/7 Emergency Service for Peace of Mind Get your home back to its best—call us today and feel the difference of expert service that’s always on your side.
100% trustworthy and genuine. Outstanding work and wonderful work ethic with nothing too much trouble. Experience shows when having to solve problems in an old house and be very adaptable. Reliable and tidy. You won’t be disappointed in hiring Fadi
Full property renovations, extensions, loft conversions, outbuildings & more.
Andre and team did a great job with the shed /summerhouse construction, and were very accommodating with the request to build it at short notice ( (within 5 days) and alter the layout of the building to meet our requirements. Also were very friendly and professional. Reasonably priced too. Would recommend.
Hello, my name is Sergiu, I’m a professional multi skilled refurbisher. I’m happy to complete quality jobs for all homeowners that are interested in my services. We are a small team that can complete a various range of jobs (ventilation, duct fitting, air conditioning, plumbing, carpentry, painting, decorating, tilling, professional cleaning). I believe that with the professional skills that we possess and the experience that we have, we’ll prove to be qualified to complete any challenge and to make our customers happy. I have an experience more than 6 years in plenty refurbishment projects. I will consider myself lucky to make your property look better. Don’t hesitate to contact/hire me and I will give you good quality work for competitive prices.
Friendly and professional. Dismantled furniture efficiently. Would highly recommend
I’ve been involved in plumbing since I was 14 years old. I grew up in a family where my parents owned a plumbing company, and that early experience shaped my passion for the trade. Over the years, I developed my skills, learned the industry inside out, and eventually decided to start my own company. Today, I specialise in a wide range of plumbing and heating services, including: • Boiler installation and replacement • Air conditioning installation • Heat pump systems • Underfloor heating • Complete plant rooms • Bathroom installations • Kitchen pre-plumbing • All general plumbing work and maintenance I take pride in providing high-quality workmanship, reliable service, and solutions you can trust. Whatever you need when it comes to plumbing or heating, I’m here to help.
Alex did an excellent job removing an old radiator and installing a new vertical radiator in a slightly different position on the wall. He was very diligent, the work to do the pipe chasing got quite dusty, but he kept everything very clean and in good order. Would definitely recommend and use again if I need to
My name is Conor Lynch, and I�m an NVQ Level 3 qualified plumber with 16 years experience in the trade, including the past 8 years working in domestic plumbing. 5 years ago I made the decision to become self-employed and have never looked back. Building my business on integrity, quality workmanship, and a personal approach. I genuinely enjoy the work and the problem solving that comes with it. From a leaky tap to larger plumbing jobs, all work is carried out efficiently and to a high standard, with honest advice and no corners cut. I believe in doing things properly, communicating clearly, and leaving customers happy with the work done. I�m available 7 days a week and can also carry out emergency repairs when needed. Free, no-obligation quotations are provided, pricing is fair, and all work is fully guaranteed depending on job
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