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The quick way to find a local Gas Boiler - Service specialist in Welwyn, Hertfordshire

There are 802 Gas Boiler - Service specialists in Welwyn, and last month we helped homeowners get quotes for their home improvement jobs.

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Latest homeowner review

Reviewed by Ben on 5/5/2025

We provide 24 hour service within London and outside London. For all your plumbing issues, drainage and heating services you can count on us. We endeavour to make all our customers happy no matter what time of the day and location. Thank you.

Latest homeowner review

Reviewed by Melanie on 25/8/2025

Swift, knowledgeable, friendly and professional. I would definitely use hit again.

J.J MURPHY plumbing & heating. For all your plumbing and heating needs, no job too small, new bathroom installations, tank replacements, leaking pipe work/blockages, covering most of London and surrounding areas, 24hr call out service , very reliable,

Latest homeowner review

Reviewed by Funke on 20/8/2025

Exceptional. Joe responded promptly to our ad alongside 2 other plumbers and gave us a competitive quote. He did the work within 24 hours, even buying parts for us. Gave us a courtesy call 15 minutes before arriving, arrived on time and was done within 15 minutes. He was warm, polite and professional. Wonderful service and highly recommended!

Coterm Limited has been a trusted name in underfloor heating installation for 14 years, serving Harrow and beyond. Our skilled team delivers high-quality, energy-efficient heating solutions for homes and businesses, specializing in both hydronic and electric systems. We’re fully qualified, dedicated to exceptional customer service, and committed to ensuring your space stays warm and comfortable with every project.

Latest homeowner review

Reviewed by David on 12/5/2025

Prompt, competent, efficient and tidy.

www.kbaconstruction.online MAKE YOUR HOUSE INTO A HOME TODAY WITH KBA CONSTRUCTION'S We are a building company with many years combined experience. working as Builder in London (UK), we help to make your house a home or property investment you can rely on.

Latest homeowner review

Reviewed by Connor on 13/9/2024

Did a fantastic job and at good price

Local reliable and professional refurbishments from leaking taps to full remodelling and project management

Latest homeowner review

Reviewed by John on 27/3/2025

Excellent work from Paul. He arrived on time and completed the work and left the area neat and tidy. Will definitely use Paul for future jobs.

R&B refurbishment ltd For a decade, a Proficiency building company based in London has led all aspects of construction, luxury design and build. Whether you're looking to expand or refine your home with a loft conversion, rear or side extension, basement excavation, cellar conversion or a top to bottom refurbishment, our ethos is quality-first craftsmanship for the very best in residential design and build in London. When it comes to the quality and care that we put into every project, we think of ourselves as one of the leading building companies in London. This means that, as the right builder, we have the team, the expertise and the commitment to a high quality that sets us apart. Fully insured with Public and Employers Liability, Professional Indemnity, Contractors All Risk and high-risk basement works. We offer a 15-year guarantee on all of our structural building work. Proficiency only uses the highest quality building materials ensuring everything is built to standard and will last.

Latest homeowner review

Reviewed by Andrew on 19/5/2025

Fired him for appalling work, no-shows and delays; see his other bad reviews. He's a middle man; does not do any work; got others to do it like a plumber, then a tiler the next day; slow work made worse when someone messed up or did not show up. Ali only shows to deliver materials or check work. Quick to reply when wanting the job. Slow/no response once job starts thinking you wont cancel. Materials I paid not returned; take every receipt and check you keep/use every item as he will even for wipes/tape

We keep the people of London cosy and warm on a cold night. We ensure that you and your family can wake to a refreshing warm shower and we make sure that homes and offices are safe places to live and work. 24/7 heating & plumbing services...

Latest homeowner review

Reviewed by Chris on 23/1/2024

Putting your trust into a company when dealing with gas safety regulations is daunting. Not only do you need to be confident and safe in your choice but also feel you receive an honest quote. I had so many Engineers walk through my door and as soon as A&C arrived, I trusted them. I went with my gut and they were excellent! I have no hesitation in recommending this company to take care of you and your family. Thank you!

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.

Latest homeowner review

Reviewed by Christina on 8/7/2025

Fast and efficient. Will re-hire. Highly recommend

Experienced multi tradesman specialising in Gas boiler installation ,boiler servicing and landlord gas safety certification and plumbing, I also carry out the following: •Bathroom/kitchen installation •Emergency work (plumbing gas water electric installation) •Handyman in big or small jobs including painting and decorating •Lighting works •All aspect of plumbing and heating Portfolio and customer feedback from completed work can be shown. Online Free quotations. Covid guidelines followed with strict enforcement.

Latest homeowner review

Reviewed by Karin on 15/6/2025

Came the same day, fixed the machine, no fuss. Did a good job.

London Development uk ltd is our company, we have been trading for over 12 years in the construction business. - We are a fully insured company with a big portfolio of jobs completed and we are friendly and reliable on any work and business that is coming across. - We can do big jobs as new buildings or full refurbishments, basements, extensions, lofts conversions etc and also we can do small jobs as bathroom refurbishments or even smaller is always space and time for a new job. - We guarantee you that you will get the best workmanship on your job with best skills and acknowledge in the construction industry, time effective and costly effective for customers. Try our company and you will gain the benefits!!!

Latest homeowner review

Reviewed by Rita on 25/12/2023

Peter contacted me and was amazing, professional with his quote and recommendation. Very clean, tidy service and very open and honest. Peter and his team are excellent builders.

Hi & Welcome to The LOCAL Plumbers The LOCAL Plumbers have been established since 1994. We are on call 7 days a week for all types of Plumbers jobs, services, problems, and repairs. Call now to have one of our LOCAL Plumbers come out to you at a time that suits you. We're here, ready to attend to all your Plumbers jobs, services, problems, and repairs Our team is made up of expertly skilled LOCAL Plumbers, we are a well established Plumbers company with an enviable reputation built over the last 30 years, we only charge for our time spent in your property by the 1/2 hr with 95% of jobs being completed within an hour (minimum one hour charge applies for all jobs) so if you allow an hour to get your Plumbers jobs, services, problems and repairs done we will get you back to normal fast. We have a trusted LOCAL Plumbers brand, made up of an outstanding LOCAL Plumbers team that completes excellent work, which is second to none. Call us, we’re here and on call now to get you booked in at a time of your convience, however from time to time we may need to alter an appointment time but we will always let you know so you can get on with your day. Thank you for taking the time to read about us, and we look forward to helping you with any Plumbers jobs, services, problems, or repairs you may need. Regards, The LOCAL Plumbers

Latest homeowner review

Reviewed by Avril on 21/2/2025

This firm sub contracted out the work to a local plumber/carpenter who I found difficult to contact. I needed a new shower as he said he couldn`t repair it. I selected the cheapest one as I am upgrading my bathroom later this year. He couldn`t get it straight away so I selected a dearer one which he fitted. He then told me he was going away the next day. If I hadn`t selected the dearer one I would still be waiting! There is some moisture leaking but I really don`t want him again so I`ll wait and see.

we are a family run company with with over 30 years experience within the industry we offer a full range of plumbing and heating services all our engineers are trained to the highest standards £2 million pound public liability we are accredited with worcester bosch and Vaillant boilers offering extended warranties on there boilers

Latest homeowner review

Reviewed by Timothy on 19/7/2025

Not true. I asked him what time was suitable for him and he said 12 noon. I texted him at 1.15 and called him at 2.30. He texted me to say he was on a difficult job. No further communication was had from him.

C & N Constructions is a well-established company offering construction and landscaping services for both residential and commercial clients. Our faith: We believe in open and honest communication and shared goals which will generate greater continuity in workload and thereby provide sustained improvements in quality, efficiency & delivery. Our mission: To safely deliver any project, any time, in any environment for the benefit of our customers, shareholders, employees and the communities we serve. Company vision: C&N Constructions is committed to building long-term relationships based on integrity, performance, value, and client satisfaction. We will continue to meet the changing needs of our clients with our quality services delivered by the most qualified people. Get in touch and we can start asap! We offer free and no obligation project estimate.

Latest homeowner review

Reviewed by John on 29/6/2025

The job was to cut back a severely overgrown patch of garden. Chris & his team, Adrian & Cosmin, gave me a competitive quote, after coming to visit the site to assess what needed to be done. They started next day and completed the job quickly and to my complete satisfaction. The site was cleaned up & all waste taken away. I will definitely use them again and strongly recommend them.

we are experience refurbishment contractors. we are reputable and reliable builders, established since 2010 and over 20years experience in building trade. using our skill and materials, we are eager to ensure that our customers are completely satisfied.

Latest homeowner review

Reviewed by Vinoth on 5/3/2025

Did not received the quote / response after sent the details.

Trades On Demand Ltd have a proven track record of helping homeowners across the UK when they need it most. We use a network of over 1000 contractors, who are available 24/7 to deal with any gas, electrical or plumbing emergencies. Our engineers cover every city in the UK and are prepared to travel wherever necessary to get you the help you need. This extensive national service coverage means we can attend around 98% of the homes in the United Kingdom. The majority of the calls we receive relate to plumbing, electrical or gas supply problems, However, we can help with heating, oil or drainage issues depending on the circumstances. Trades on Demand are 24 hour Emergency plumbers and Electricians are based in Bury, Lancashire but also cover the whole of the UK as we have the necessary contractors throughout the UK.

Latest homeowner review

Reviewed by Pat on 21/8/2025

With 16 years of experience, your trusted plumbing and heating specialists, providing expert installations, repairs, and maintenance for all your home comfort needs, with a focus on prompt service and transparent pricing. Specialising in boiler diagnostics, installations and services, the installation of plumbing all fixtures and appliances including but, not exclusive to, toilets, bathrooms, sinks, dishwashers and washing machines.

Latest homeowner review

Reviewed by Kevin on 25/2/2025

Very fast response priced the boiler replacement same day which was Wednesday installed a new valiant cotec system boiler over the weekend including poweflush. Excellent service great guy very professional ????

KENDY PLUMBING AND HEATING LTD HERE TO SERVE. PLEASE DONT HESITATE THANKS DALE F.

Latest homeowner review

Reviewed by Cindy on 2/5/2012

Prompt response, friendly and did a good job. Would use again.

Providers of expert plumbing and heating solutions within the Middlesex, Buckinghamshire, Berkshire and Hertfordshire areas. Whether it is Central Heating, Servicing, Repairs, Installation, or Emergency Call-Outs. We have you covered! With over 25 years of experience within our industry, we continuously strive to deliver high-quality workmanship and excellent service to all our customers and for this have been awarded 5/5 stars by our customers. Specialising in plumbing and heating, we carry out a variety of installations to your desired specifications and requirements. Our services range all the way from fixing those annoying dripping taps to new bathrooms, kitchens, and full plumbing /heating installations for new builds and renovations! Don’t delay, give us a call or pop over a message today and we’ll only be too happy to arrange a quote and an inspection.

Latest homeowner review

Reviewed by Celia on 13/5/2025

**Prestigious Plumbing** is a London-based company that prides itself on its reputation for delivering high-quality work and ensuring customer satisfaction. We handle a wide range of projects, from small to large, serving both domestic and commercial clients. Peace of Mind for Our Customers: At Prestigious Plumbing, our customers are our top priority. That's why we offer a 100% satisfaction guarantee—every job we complete is covered for one year. Additionally, all of our engineers are fully qualified and Gas Safe registered, ensuring the highest standards of safety and expertise. We understand that things don’t always go to plan. To offer further peace of mind, Prestigious Plumbing holds £10 million in public liability cover, ensuring that no matter what happens, both our clients and their property are fully protected.

Latest homeowner review

Reviewed by Matthew on 19/9/2024

Hi We are experienced builders, residential and commercial building and maintenance services Have been in business for around 15 years We offer quality services at reasonable prices

Hi there , I’ve been with British Gas for the last 23 years and have a vast experience over different types of boilers .I have recently left the company to go on my own and am fully gas safe . Work I specialise in, is breakdowns ,servicing,Powerflushing, boiler installations , complete heating installations, landlord gas safety checks and plumbing work / bathrooms . Many thanks Tim

Latest homeowner review

Reviewed by Ms Maria on 23/4/2024

We are delighted with Tim’s excellent and professional service in fitting a replacement radiator and clearing a problem drain for my elderly mum. He responded straight away with his quote and I found him very reassuring when he explained on the phone how he would carry out the job and how he was able to complete the job within a week, which was perfect timing for us. He was friendly, efficient and completed the job to a high standard. We are very happy and would thoroughly recommend without hesitation.

Full property renovations, extensions, loft conversions, outbuildings & more.

Latest homeowner review

Reviewed by james on 30/3/2025

Absolutely useless made our life a misery never book these had a bathroom fitted horrible job then when it leak and destroyed my front room ceiling trust when I say don't use them .

With over 10 years of experience, Hampstead Plumbing & Building Services LTD is your trusted plumbing expert. We offer a full range of residential plumbing services, from minor repairs like leaking pipes and clogged drains to major installations such as water heaters and whole-home repiping. Our skilled team is committed to providing high-quality, reliable service with a focus on long-lasting solutions. We take pride in our transparent pricing, friendly customer service, and attention to detail. Whether it’s an emergency or a planned upgrade, we’re here to handle all your plumbing needs with professionalism and care ensuring your home stays in perfect working order.

Latest homeowner review

Reviewed by diane on 27/6/2025

SV Heating & Plumbing is a trusted plumbing service provider with 27 years of industry experience. Specializing in both private and commercial projects, we deliver top-quality workmanship tailored to meet the unique needs of each client. From the heart of North London to Stevenage, we offer reliable and efficient solutions with a commitment to excellence. Gas safe qualified and fully insured we bring expertise in all aspects of plumbing and heating, ensuring the highest safety and quality standards. Operating as a Limited company , we also have the capacity to bring in additional skilled professionals for larger projects. With 24/7 availability, SV Heating & Plumbing is here to provide prompt and professional service whenever you need it most. Whether it's a routine repair, a complex installation, or an urgent emergency, we are ready to help. Trust us to keep your plumbing and heating systems running smoothly.

Latest homeowner review

Reviewed by M on 24/7/2025

Absolutely spot on. Honest advice. Arrived on time, cleaned up nicely after the job. Will definitely use again. Thanks Sam!

Fast, Friendly, reliable service run by keith and his team

Latest homeowner review

Reviewed by Robbie on 5/8/2025

An accomplished business where customer needs comes first. We are a dependable team with 25 years experience. Our aim is to attain positive communication with our customers as well as providing reasonable prices for all our clientele. Our specialties expand to various qualities, and we are profoundly able in achieving and carrying out plastering and rendering, painting, boiler installations, unvented cylinders, gas safe checks, bathroom renovations and all home improvements. Collectively, our main goal is to ensure our customer is content and that our work reaches their full expectations.

Latest homeowner review

Reviewed by Chandrakant on 14/4/2025

An appointment was rearranged for Lewis and his Adrian to come and give me a quote for my driveway. They arrived on time.

At Woodward Heating, we provide a wide range of heating and plumbing services. We are gas safe registered and fully insured. We are dedicated to providing exceptional customer service, and take pride in our workmanship and ensuring your property is well-protected. Every project we undertake is completed to the highest standard, which provides our customers with peace of mind.

Latest homeowner review

Reviewed by Seb on 18/7/2024

Quick to respond, great communicator and carried out the job quickly and to a high standard.

ELECTRICFIX SCIENCE LTD - We Specialize in Fire alarm, Electrical, Plumbing & Heating We are your trusted service provider that specializes in delivering high-quality solutions across 4 key areas: Fire Alarm, Electrical, Plumbing, and Heating. With a commitment to excellence, safety, and customer satisfaction, At ElectricFix Science Ltd offers a wide range of professional services for both residential and commercial clients. Whether you’re building a new property, upgrading your current systems, or require emergency repairs, ElectricFix Science Ltd certified technicians are equipped with the skills and tools to handle all your Fire Alarm, Electrical, Plumbing & Heating needs. Services Offered 1 Fire Alarm Services . New installation . Servicing . Maintenance . Certification 2. ELECTRICAL Electrical Installations: Wiring for new constructions, lighting installation, consumer unit upgrades, and circuit design. Repairs & Maintenance: Fault detection, fuse box repairs, circuit breaker issues / tripping , and wiring repairs. LED lighting, smart lighting, outdoor lighting, and decorative lighting designs. Electrical Safety Inspection, Testing & Certification - EICR Report ( Landlord Certificate ) 3. PLUMBING From small leaks to major installations Pipe Repair & Replacement: Leak detection, burst pipe repairs, and full system replacements Water Heater Services: Installation, maintenance, and repair of both tank and tankless water heaters. Bathroom & Kitchen Plumbing: Sink, Bath, and toilet installations Emergency Plumbing: 24/7 services for burst pipes & other urgent plumbing issues. 4. HEATING We ensure you stay warm in the winter months with reliable heating services that keep your home or business comfortable year-round. Central Heating Installation: Boiler & thermostat setups Electrical Boiler only install Heating Repairs: Diagnosis & repair of faulty heating systems & thermostats. Maintenance & Servicing Emergency Heating Repairs: Quick response to heat Why Choose US Fully Insured & Experienced Technicians with years of experience in the industry. Safety, Quality & Compliance with reg Customer-Centric Approach prioritizing customer satisfaction 24/7 Emergency Service Affordable Pricing All our Jobs are Fully Insured & Guaranteed

Latest homeowner review

Reviewed by Toni on 7/6/2025

I have no issue with the work they did, but they should routinely carry cleaning equipment such as brooms, dustpan and brush and a vacuum cleaner. They should not need to use mine, or ask me for a bucket to mix up plaster in. Finally they really should take their rubbish away or tell their clients the price does not include rubbish removal. Putting it in my neighbour’s bin and on my garden is unacceptable.

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.

Latest homeowner review

Reviewed by Xenia on 3/4/2025

experienced gas engineer with comprehensive technical and diagnostic skills and extensive experience of residential fault finding, servicing and installations. Gas Safe registered for 20 years.

Latest homeowner review

Reviewed by Radomir on 28/4/2025

After being quoted 3 times more for work that wasn’t needed at all, by other engineer, I spoke to Alex. He knew what the problem was and fixed it very quickly.

Here at JRD HEATING we are professional, tidy and efficient. We are available 24 hours 7 days a week. We are always one phone call away from assisting with any issues. Weather it be a tap washer or a full central heating system being installed. There’s no job to big or too small! With over 10 years in the industry we are always one step ahead of any issues!

Latest homeowner review

Reviewed by Carl on 12/6/2025

Excellent knowledgeable service Very helpful

We have been working at this trade for over 15 years. My company and works people hold a number of different NVQ qualifications such as electrical, engineering, railway engineer, civil engineering. We take customer service very seriously and we ensure to reply as soon as possible when someone contacts us. We also ensure we give a fair deal for a great service in return.

Latest homeowner review

Reviewed by Sean on 2/4/2025

We hired Cani Building Services to replace the front stairs and pathway of our Victorian home with granite pavers in the spring of 2025. When evaluating the builders it was important to us that we found somebody who was professional, reliable, and detail-oriented. Durim offered a competitive quote and promptly started work. ?He completed our job to a high level of quality within a week’s time, and we are very pleased with the outcome. We would absolutely recommend his services to others!

Install, repair, and maintain pipes, valves, fittings, drainage systems, and fixtures .Collaborate with general contractors, electricians, and other construction professionals.Follow building plans and blueprints.Respond to, diagnose, and resolve plumbing emergencies.Perform routine inspections of plumbing and drainage systems.

Latest homeowner review

Reviewed by Cathie on 16/1/2025

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

Latest homeowner review

Reviewed by Jon on 11/7/2023

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

ES Building Services is a family run business with a team of highly skilled, well experienced and passionate professionals who puts your needs at the forefront of what we do. All our work is completed to the highest industry standards and compliance with current regulations is always met. We focus on providing a high end finish on all of our projects regardless of budget. We will make sure you are involved and understood at every step of the process, from design to completion. Whether it’s a simple maintenance job or a full internal refurbishment, we aim to provide a level of service that exceeds your expectations. Our predominant active contacts consist of bathroom and kitchen refurbishment work. We work alongside multiple industry leaders and have an excellent track record in providing high quality installations across London. With a skilled and mature team of professionals we have an abundance of experience in all areas of building services. We specialise in full internal refurbishments covering all aspects of the build: strip out, plastering, kitchens, bathrooms, plumbing, electrics and everything in between. With over 300+ 5* reviews accross all platforms, rest assured your property is in safe hands with ES Building Services. Kitchens Bathrooms Refurbishments Electrical installation + Everything in between NICEIC Aproved Contractor. GasSafe Registered Engineers. SafeContractor Approved.

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Reviewed by Bernadette on 18/8/2025

We hired ES Electrical to fit our new Kitchen and also added a toilet and shower unit downstairs. From the begening we found Harry and his Team to be very professional but also had have a very friendly approach. They listerned to our concearns during the process of the instillation and also gave us some good advice and ideas. We found them to be very tidy with their work and respected our property. Overhall we are very happy with the outcome of our new Kitchen and Bathroom,hence we have giving this rating.

Impress Europe Ltd is a full service construction company offering comprehensive solutions for residential, commercial and industrial projects. From design and planning to building and finishing, we handle everything - including new builds, extensions, loft conversions, renovations, landscaping and custom projects. Our team of skilled professionals are committed to delivering quality, safety and excellence in every job. We pride ourselves on reliability, clear communication and building long lasting relationships with our clients. Choose Impress Europe for all your construction needs - one company, every solution.

With over 30 years’ experience in the construction industry, we know how to deliver work that looks good and lasts. We work on properties of all shapes and sizes, commercial and domestic, turning your dreams into a reality.

Latest homeowner review

Reviewed by Sohail on 15/12/2021

What an amazing guy!, another 2 weeks and he would have become a member of our family!. You can set your clock with George, he was at our door an 8am on the dot every morning. He gave us so many different ideas which really helped us. His workmanship i, totally flawless. We know what quality looks like now. George is a loyal, honest and hardworking individual who will always be our first choice when getting work done.

At Gas-Works, we have a decade of experience in the plumbing and heating industry, dedicated to providing exceptional service to homeowners. Our specialties include diagnostics, repairs, servicing, and installation, ensuring your systems operate smoothly and efficiently. With comprehensive education and training, our team is equipped to handle any plumbing or heating challenge with expertise and professionalism. Choose us for reliable solutions and peace of mind—let's keep your home comfortable and safe together!

Latest homeowner review

Reviewed by Craig on 6/3/2025

Polite/Prompt/Helpful - all good

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 .

Latest homeowner review

Reviewed by Ji on 5/6/2025

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!

We are a plumbing and heating company located in London/Bedford. Our gas safe engineers provide a fast reliable service to all our customers old and new. Services consist of boiler installations of verious makes and models, boiler repairs/servicing, Gas safety certificates, plumbing, and all pipework. All work carried out has 100% customer satisfaction rate. No hidden charges, fair rates, and all work is guaranted.

Latest homeowner review

Reviewed by Benedicta on 14/3/2025

Dav was very helpful, thorough and professional. Thanks Dav!

A.J Heating and Plumbing provides you with an excellent reliable service with rapid responses, competitive prices and a friendly nature throughout Hertfordshire From heating installations and new bathrooms to plumbing repairs and boiler servicing, no job is too big or small, and free advice is always provided where needed.

Latest homeowner review

Reviewed by Mark on 19/9/2024

AJ Heating and Plumbing came out the same day of my request. Checked the boiler and other connected equipment, flue etc and gave a diagnosis for necessary repairs. All explained clearly. Very personable, polite and tidy service. Ongoing work agreed and currently in hand.

This is the last Gas, Heating and Plumbing company that you will ever acquire. I, Lewis Willoughby personally undertake all site visits and complete projects to the highest possible standard, always putting my clients first.

Latest homeowner review

Reviewed by Paul on 20/8/2025

Very fast response came and price was as agreed very professional neat job would definitely recommend

We are experienced and specialise in general plumbing & heating and building work within the district of London and surround areas. Boiler installation and service Heat Pump Installation & services Bathroom refurbishments Extension Kitchen installation Full decoration And renovation and more! We install, maintain, repair pipes, cooling, water distribution and sanitation systems. Some of the Services we do: . Extension . Bathroom renovation . Decoration . Property Maintenance • Blocked Baths, Sinks and Toilets • General Plumbing, Tap, Pipe Fitter and Repairs • Power Flushing • Radiators / Valves / Thermostats Installed / Replaced • Shower and Bath Installation and Repair • Water Leak Detection • Water Mains Specialist (Pipe Replacement, Moiling and Lead Pipes) • Water Pumps • Water Supply Pipe Repairs • Standard and disabled Bathroom and shower fitting. . Emergency call out 24_7.

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Reviewed by paul on 4/6/2025

Communication, polite manner, consideration and protection of my property in moving equipment in and out and doing the job, of course did the job well, cleaned up . I would hire this company again

Plumb Tribe

Gas Boiler - Service in Welwyn

Plumb Tribe Heating & Plumbing Services is Gas safe registered and bonded gas fitting contractor, providing services to residential and commercial customers throughout the London and Essex.We design, install, repair, replace and service boilers All aspects of plumbing and heating such as.. Boiler installs and breakdowns Boiler servicing Landlord gas safety certifications Power flushing Replacing/ fixing taps Replacing/ fixing toilets Kitchen sinks/basins Cylinder replacements Radiator replacements Radiator valves Cold water storage tanks New bathroom installs Water leaks Electric/thermostatic showers

Latest homeowner review

Reviewed by Mario on 16/1/2025

I was very pleased with the job carried out by Mohamed. He was very polite and explained well what was the problem. He was trustworthy and polite and I highly recommend him.

At PlumbCentral, I offer affordable boiler installations without compromising on quality. I ensure that every installation is carried out to the highest standard, making sure your system is both efficient and reliable. My goal is to ensure you are completely satisfied with the work, providing you with peace of mind and a warm, comfortable home. With PlumbCentral, top-notch service and client satisfaction always come first. At PlumbCentral, I offer gas boiler repairs at affordable prices to ensure that every client can maintain a safe and efficient heating system without breaking the bank. I take pride in delivering reliable and high-quality repairs, so you can rest easy knowing your boiler is in good hands. My goal is to ensure you are fully satisfied with both the service and the value provided. At PlumbCentral, I handle all plumbing needs, no matter the size—whether it's fixing a tiny leak or taking on a major repair. I take immense pride in delivering quality work with precision and care, ensuring your plumbing runs smoothly and efficiently. My pricing is designed to be affordable, so you get top-notch service without breaking the bank. Trust PlumbCentral to bring expertise, dedication, and great value to every job!

Latest homeowner review

Reviewed by Neil on 9/2/2025

Welcome to Heatsafe247ltd.... With over 20 years of expertise in plumbing and heating. Our team are available 24/7 (subject to availability), to assist you with plumbing, heating and gas emergencies. We aim to resolve the issues and leave your home clean and tidy. Offering a transparent pricing system, upfront estimates and give quotes to explain the cost of our services. Services we offer Gas Heating Plumbing Leak detection Drainage

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Reviewed by Barbara on 6/8/2025

Boilerbeat LTD

Gas Boiler - Service in Welwyn

Boilerbeat is a premier provider of comprehensive boiler installations and full central heating system solutions. With a commitment to excellence, we deliver top-notch services tailored to meet the unique needs of each client. Our experienced team of professionals ensures seamless installation processes and efficient system integration, guaranteeing optimal performance and customer satisfaction. Whether you require residential or commercial heating solutions, Boilerbeat is your trusted partner for reliable and cost-effective services.

Latest homeowner review

Reviewed by Anita on 9/8/2025

Do not let this man into your home! He will take your money and not finish the work. The workmanship is shoddy, rushed, and nowhere near professional standards. Save yourself the stress and expense — avoid at all costs.

Latest homeowner review

Reviewed by Amy on 18/12/2012

I can highly recommend Rob and his team at Made Build Interiors. They have just finished work on our Bathroom, Kitchen, Living room and Dining room. They have completely transformed all of these rooms and we are extremely happy with the end result. Rob is a great sounding board for creative and structural ideas and has a good eye for detail and design. They kept all work areas clean and tidy and had a friendly but professional attitude. We will definitely use them again for future work.

How our service works

  • Create a job - it's free

    We'll connect you with the right tradesperson, from over 30 different trades.

  • Get quotes

    Up to 3 tradespeople can provide a quote, but on average you'll get 1-2.

  • Check ratings

    Look at each tradesperson's profile page to see their ratings and reviews.

  • Pick a tradesperson

    Use our homeowner checklist for extra tips on choosing a tradesperson.

  • Job done

    Leave a rating for your tradesperson based on quality, reliability and value.


Recently completed jobs

Here's what's been happening in and around your area

Service: Service gas...

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler. Boiler make: Worcester Bosch Gas certificates needed: No Boiler service. ...

Gas appliance servicing and...

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler, 1 x gas fire. Boiler make: Don't know Gas certificates needed: Yes Boiler...

boiler service and leak

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler. Boiler make: Vaillant Gas certificates needed: No service gas boiler in...

Gas Central heating service

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler. Boiler make: Don't know Gas certificates needed: Yes yearly Gas Central...

Valient gas bolier service and...

Service: Obtain safety certificate Appliances needing gas certificates: 1 x boiler, 1 x cooker. Boiler make: Vaillant Annual safety certification...

Gas safety certificates for 2...

Service: Obtain safety certificate Appliances needing gas certificates: 1 x boiler, 1 x cooker. Boiler make: Other Main EcoElite Combi 30 Gas...

annual service due

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler. Boiler make: Vaillant Gas certificates needed: No annual service 2 year...

Boiler Service 11 Newfields

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler. Boiler make: Worcester Bosch Gas certificates needed: No Boiler needs a...

Gas safe for boiler flue and...

Service: Obtain safety certificate Appliances needing gas certificates: 1 x boiler, 1 x kitchen. Boiler make: Vaillant Boiler flue and gas pipe...

Gas Boiler Service: Ideal...

Service: Service gas appliance(s) Appliances to be serviced: 1 x boiler. Boiler make: Ideal Gas certificates needed: Yes Service is overdue, also...

How our service works

  1. Create a job - it's free

    We'll connect you with the right tradespeople, from over 30 different trades.

  2. Get quotes

    Up to 3 tradespeople can provide a quote, but on average you'll get 1-2.

  3. Check ratings

    Look at each tradesperson's profile to see their ratings and reviews.

  4. Pick a tradesperson

    Use our homeowner checklist for extra tips on choosing a tradesperson.

  5. Job done

    Leave a rating for your tradesperson based on quality, reliablity and value.

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