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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.
Welcome to NCS Plumbing and Heating Specialists, a trusted industry leader with a rich legacy of excellence since our establishment in 1986. NCS is your go-to partner for a comprehensive range of services, specialising in Air Source Heat Pumps, Solar PV and boiler installations. At NCS, we take pride in our longstanding commitment to delivering top-notch services that stand the test of time. With over three decades of experience, our seasoned team of professionals bring a wealth of expertise to every project, ensuring unparalleled skill and precision in every aspect. When you choose NCS, you can rest assured that you are selecting a company dedicated to providing the highest level of service. Our commitment to customer satisfaction is at the core of our ethos, and we go above and beyond to meet and exceed your expectations. Our team utilises the latest technology, premium materials, and industry best practices to ensure the longevity and quality of our work. NCS as a company is registered with many professional regulatory bodies, including but not limited to: ~Gas Safe Register ~Oftec Register ~Renewable Energy Consumer Code (RECC) ~Microgeneration Certification Scheme (MCS) ~PAS2035 accredited ~TrustMark accredited Carrying out work for local councils, housing associations, schools, commercial businesses, private landlords and, of course, our core domestic customers, you can experience peace of mind with NCS – where reliability, expertise, and a customer-centric approach come together to redefine the standards of heating installers.
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Cliff was brilliant. Flexible and understanding, we'd highly recommend him.
OCTAGON IMPACT LTD
Gas / Heating engineer
.Here at Octagon Impact Ltd, we take great pride in our building services. Ensuring every customer within the London area is satisfied with the work we produce.
24 hour emergency callout
Family run fabrication and welding business and construction company offering all types of manufacturing and installation that works closely with our clients our aim is to provide fabrication and welding solutions also building construction with honesty and quality also help to complete project on time
What an amazing job John did. He is a very talented ironworker . Our gate looks like it was made for our house . Would highly recommend .
Hi, my name is Abel. I am a gas gas engineer from London. I mainly fit cooking appliances (gas and electric) I also work for curry’s as their gas engineer. I have partners I also work with that do boilers and plumbing work. I take pride in my job and always make sure I leave everything safe and my customers happy. I always try to go above and beyond and do my best to help my customers. I’m flexible, punctual and up for negotiation. We also have REMOVAL company for man and van jobs. Everything is insured.
Professional, did a good job
ALL -IN-ONE PROPERTY SOLUTIONS Hi there! I offer fair prices and complete property services: building, kitchens, bathrooms, flooring, plumbing, electrics, plastering, fencing, gardening—everything your property needs. I handle both small and big projects, so don’t hesitate to contact me for any job! Thank you
Absolute genius Remus worked professionally and provided advice. A very talented person with experience and knowledge. Have already expressed his workmanship would be needed again . If you want honesty and integrity this is the man but I come first…..
If you’re looking for any general plumbing and heating works in and around London then please do not hesitate to contact us. We pride ourselves on our great level of service and high standard of workmanship. Paceheating&plumbing
B S Building Services
Bartek arrived promptly explained what we needed doing took pictures Recieved a quote from him happy with everything 2 weeks later on Sat morning arrived completed work's exactly what we wanted proficient and cleaned totally when finished would 100% hire him again
TP Plumbing Services aims to provide all customers with professional fast and reliable solutions that best suit and service their needs. We provide all clients with quality service that exceed customers expectations in the plumbing industry and aim to create a long term relationship with my clients. We provide all plumbing installs and repairs with a 24 hour call out.
Founded in 2025, Bfix has established itself as a leader in luxury construction and interior design. Like a hive of diligent bees, our team works tirelessly to turn dreams into reality, creating spaces that are not only beautiful but also built to last. We pride ourselves on our ability to deliver superior craftsmanship and exceptional service. What We Offer Free On-Site Inspection – We carry out a full technical assessment to identify damage to floors, ceilings, walls, and fixtures. Trace & Access Support – We assist in locating hidden leaks and identifying areas affected by moisture. Repair Planning – We help outline the works required for restoration, based on what insurers typically expect to see. Supportive Documentation – We provide clear, itemised findings that you can use if you choose to start an insurance claim. Referral to Insurance Claim Experts – If required, we can introduce you to regulated professionals who manage claims directly on your behalf. Why Choose Bfix? Unmatched Expertise: Over many years of experience in luxury construction. Tailored Solutions: Custom designs that cater to your specific needs. Superior Quality: Premium materials and meticulous craftsmanship. Customer Satisfaction: We prioritize your vision and ensure a seamless construction process.
We are a small family run business, our services include New builds, lofts, extensions, refurbs, we also take on small refits kitchens, bathrooms, gardens, structural alterations and ground works, plumbing and electrical. We aim to provide a comprehensive build package under one umbrella. Since opening our business in 2016 our main principle is "never cut corners or standards". We have managed to grow the business in the last few years immensely and establish ourselves as a recognised name. We aim to minimise stress for our clients by offering our expertise in all areas of the construction process and undertaking comprehensive project managing services with design consultation service also available throughout your project. We can provide all the services above by our own in-house team not 3rd parties or sub contracting. If you would like to know more about the work we do or would like a quotation for a project, please send us a message from the contact page or give us a call. We aim to respond to all queries within 48 hours.
i used julian for the job i wanted done. it was completed in a couple days. he was on time and conscientious.really happy with the result.
RG Property Services
Gas / Heating engineer
Rated People
Gas / Heating engineer
Loft conversion specialist, with 25 years worth of experience.
We are a team of highly skilled individuals, with a great sense of professionalism and integrity. Our purpose is to deliver the transition from our customer's vision to reality and strive to bring satisfaction and joy with the results of our work. We aim to offer the best possible service while building trust with our clients. Having over a decade experience in the building industry, gives us the possibility to be quick, flexible and efficient.
We are domestic and Commerical Gas & Heating Engineers from London/Essex & Hertford so no area is to far and no Job is to small! We pride ourselves on Honest Hard Work, Aesthetics (which you can see by having a look at my pictures and a Great attitude) By contacting us for Work you you will be promised to receive a very high sasitfaction level, Competitive prices and of course a smile on arrival! Hope to hear from you soon, Davis Plumbing And Heating Services Vaillant accredited installers Ideal accredited installers
I've nothing against this professional - He tried to fix the problem, but it was a difficult job and beyond his capabilities - As it also was for a subsequent engineer! Therefore, I advertised for an extremely skilled engineer who took on the challenge and after many hours and a few renewed parts got it working.
www.capitalbuilders.uk The Secret of our successful projects is the provision of upmost customer’s satisfaction. All our projects are carried out by a team of skilled and highly qualified professionals by using the most up to date techniques, materials and tools which will fulfill every single requirement of the customer. The quality of our work is always to the highest standards regardless of the size of complexity of the job. We try to make sure that all our services are reasonably priced; this is to make sure that our customers get the best value for money. Therefore, the majority of our work is through repeat business and from word of mouth recommendations.
Ray has done excellent job unsulating our loft and boardering it up. He and his team were quick, tidy and professional. We are happy with the result, and are also impressed that they tidied up everything after themselves. We will definetely recommend them and hire again in the future.
Water Trade and Build Trade Services have been established for over 17 years. We are ready to assist with your Building, maintenance or plumbing projects. We are fully insured and directly employ our team of skilled tradesmen.
Once the initial contact was firmly established with "the office" everything went smoothly, efficiently and with professionalism.
Net Plumbers
Gas / Heating engineer
Net-Plumbers – Professional Plumbing & Heating Specialists At Net-Plumbers, we provide reliable and professional plumbing and heating services for homeowners and landlords. With over 20 years of hands-on experience in the industry, we take pride in delivering high-quality workmanship, honest advice, and dependable solutions. We specialise in boiler repairs, boiler installations, boiler servicing, central heating systems, emergency plumbing, and landlord gas safety certificates (CP12). Whether it’s diagnosing a boiler fault, installing a new energy-efficient system, or resolving urgent plumbing issues, we aim to provide fast and efficient solutions that last. Our engineers are fully qualified with NVQ Level 2 & Level 3 in Plumbing and Heating and are Gas Safe registered, ensuring all work is carried out safely and to the highest UK standards. We also have experience working with leading boiler brands such as Vaillant, Ideal, Viessmann, and Intergas. At Net-Plumbers, our focus is simple: clear communication, fair pricing, and quality workmanship you can trust.
DSN Property Solutions – Reliable, Professional, and Built on Trust With 10 years of experience, DSN Property Solutions is your go-to expert for plumbing and property maintenance. Whether it’s a leaky pipe, a full renovation, or emergency repairs, our team of skilled professionals is here to deliver top-quality workmanship with care and precision. Our highly trained team includes NOCN-qualified plumbers and City & Guilds-certified professionals, ensuring that every job meets the highest industry standards. But what truly sets us apart is our dedication to customer satisfaction. We don’t just fix problems – we provide lasting solutions. At DSN Property Solutions, we believe that every home deserves the best care. We treat every project as if it were our own, going the extra mile to ensure quality, reliability, and a flawless finish. ? 10 years of expertise in plumbing & property maintenance ? Qualified professionals – NOCN & City & Guilds certified ? Committed to quality, efficiency, and customer satisfaction Your home is in safe hands with DSN Property Solutions. Get in touch today and let’s bring your property back to life!
9 am Saturday toilet broke. Posted the job and by 3pm Saturday a new toilet had been installed ready to use. Thank you Rated People but a special thank you to DSN. Such a professional and polite service and the price was very reasonable too.
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