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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 Harpenden

Take a look at rated Gas / Heating engineers serving Harpenden, read reviews and submit your job for free.

Hello, We are a multi-trade team, with a 10 year experience in the UK and previous in Italy and Germany. We are new to this platform, hence the revews :) We pride ourselves in providing fair quotes and being professional and efficient Our skills range from cleaning roofs, gutters cleaning, pavement, building fences, gardening and landscaping, annex or conservatory building, house demolition or clearance, rubbish collection and disposal, to any type of interior jobs, such as: fitting, carpentry (first fix and second fix), dry lining, flooring, painting, studwork (metal or wood), tiling, bathroom and kitchen fitting and so on. There’s no job too big or too small!

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Reviewed by William on 18/9/2025

Hi. Let me help You with Your - full or part electrical rewire - garden lighting project - led strip installations - downlights installation - new kitchen electrical installation - domestic smoke detection system - extractor fans installation - smart central heating controllers - electric under floor heating - loose of power and tripping brakers - upgrade of sockets and switches - consumer unit replacement - NIC EIC Certificates

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Reviewed by Adam on 6/2/2024

A guy called Michael showed up, gave it all the large talk about what he would do. Gave him an address for another project also out of goodwill so he didn’t have to buy another lead. Promised to get back to me despite promising me he would return that week to do the work. Instead just ignored every phone call and message. He kept mentioning about wanting to do it in the evening…. This was impossible as it was a shopfront. Absolutely no balls, AVOID LIKE THE PLAGUE!

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

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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 .

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.

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Reviewed by Ike on 11/9/2025

Dean was very professional and did complete the job as requested. They were polite, neat, precise with the explanations and generally conducted themselves very well. The boiler was tested after power flush and handover was seamless. I would definitely recommend.

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.

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Reviewed by David on 12/5/2025

Prompt, competent, efficient and tidy.

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Reviewed by Dan on 22/7/2025

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.

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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!

We are a small development company moving into property maintenance to keep our trusted tradesman busy. We can provide trusted, qualified and experienced tradesman to carry out the work required and are contactable 24 hours a day.

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Reviewed by Chris on 18/7/2025

We chose Buildway to do this important work at our house replacing a 42 year old timber balcony. Bill came over and gave us a very thorough assessment of the options and then produced a fair quote for the work. The dates were agreed and stuck to. The job threw up some complications that couldn’t have been foreseen and they were handled professionally by the team. We are very happy with the whole experience and wouldn’t hesitate to use them in the future

We are a family run business specializing in various types of gardening/landscaping/tree/property maintenance services/roofing, lawn care, garden designing, pressure washing, patios, driveways and much more. Please contact us for more in depth information and advice or for a no obligation quotation.

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Reviewed by Jennifer on 15/4/2025

We used Kingz for clearance of a very overgrown garden and new fencing. They did exactly what they said they would do in their quote. They worked hard, left the garden tidy, and took away all the waste. They were very pleasant and Emma, in particular, gave good advice regarding ongoing after care of the garden. We were very happy with the results and would definitely recommend this family team!

We are independent plumbing and heating business, based in New Denham, close to Uxbridge area. The company is owned and managed by Norbert Michnowicz, who has 16 years experience as a plumber and gas/heating engineer, working for over 5 years with British Gas on boiler installations. Qualifications: Gas Safe Registered Vented and Unvented Hot Water Storage Systems City & Guilds Level 2 Plumbing Accredited Vaillant Installer We take pride in our work and our goal is to keep customers safe and happy.

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Reviewed by Sarah on 1/8/2025

Norbert rang straightaway to help with our kitchen. He was able to come out first thing the next day which was wonderful. He found a great solution to our problem and was able to fix it very quickly. He was also then able to help us with a separate plumbing problem. Would definitely recommend him and will be using him again in the future.

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.

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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.

Electrician with 6 years experience on sites ( industrial, offices , restaurants, plant rooms, apartments, private houses , etc.) Can do: Elaborate route for wiring/ rewiring Chasing Setting out Wiring/rewiring Fault finding Connecting/installing/re-terminating connections. For all types of electrical gear. Replacing old stuff (lights/ switches/sockets/ spurs/ consumer units…) Working as per drawing or by spoke with keeping regulation condition. Can work alone and in a team. In case if is need can bring a team with me . Which can test and sign the certificate.or from a drawing or by spoke

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Reviewed by Maria on 1/4/2025

Constantine did a great job of building a shelf for our fridge and fitting it. We are really pleased with his work and would definitely use him again.

Founded in 1995, GK Plumbing & Heating is a well established company that have undertaken a large variety of different installations from straightforward bathroom and boiler replacements to larger domestic heating and bathroom installations, to several large commercial plumbing ventures. Altogether the team have over 50 years experience in plumbing and heating, thus making GK one of the most experienced local plumbing and heating companies around. They can confidently carry out the installation of any boiler or bathroom suite, provide solutions to plumbing and heating problems, as well as offering advice on a variety of plumbing and heating matters, be it energy efficiency or bathroom design. We are fully qualified to work on all types of gas and oil boilers. We also have a great team of multi-tradesman that carry out kitchen and bathroom installation and can cover the plastering, carpentry , tiling, plumbing and electrical work required. We are Platinum Worcester Bosch Accredited Installers and can offer up to a 12 years manufacturers on all new boiler installations and can offer 0% finance deals on boiler installations. At a glance, our services include: 24/7 emergency response. Gas, LPG & Oil fired heating All types of boilers repaired & serviced Leaks Ball valves Central Heating & hot water breakdown Cylinders Immersions Tanks Taps Drains unblocked & repaired Bathrooms & Showers Central Heating installed Landlord certificates & gas safety checks Same day repairs 0% finance deals on boiler installations. Kitchens. Plastering Tiling As a company, GK are Gas Safe and OFTEC registered, thus allowing them to work on and install gas, LPG and oil appliances. Plus, they have full public liability insurance of up to £5 million. We always aim to put our customers at ease and to create a trusting relationship - which is why we tell you that theres nothing to pay until the job is complete and you are totally satisfied. We never ask for any money up front, unless stated in your quotation (this is for large installations only). Please call us for free estimates and advice on any requirements you may have.lastering

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Reviewed by Marita on 26/3/2025

My name is Conor Lynch, I am an NVQ Level 3 qualified plumber with 8 years of experience in domestic plumbing. Four years ago I made a decision to become my own boss and have not looked back. From a leaky tap to larger jobs I will guarantee an efficient and reliable service, I pride myself in doing the very best for my customers, delivering a personal touch on every job done. All of my quotations are free and I also provide out of hours services, 7 days a week to cover emergencies and for those people that tend to work all hours of the day. All work guaranteed.

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Reviewed by Jeremy on 25/9/2025

We are writing to introduce ourselves and to provide you with an overview of the trade services we offer at The London Electrical Compliance Company LLP. As members of NAPIT, Gas Safe, Governing Bodies and with Atlas Citation IMS Accreditation Scheme, we are proud to have been accredited with the Certification : ISO 9001, ISO 45001 and ISO 14001 Quality Management Assurance. We are an exceptional proud company delivering high-quality services that prioritise Safety, Compliance, Reliability, Honesty , the core value is ‘Service with a Smile’. Being a small company our team of experienced and qualified professionals provides exceptional service to all our clients from back office staff to our field engineers, we offer 12 months guarantee and insurance to all our workmanship and parts supplied by us. The London Electrical Compliance Company Llp - Outlined Trade Services Offer Provided: 1. Electrical installation - Whether you require new electrical installations, maintenance, fault finding, call-outs, or certification, our skilled electricians are here to assist you. 2. Fire and Security Installation - Our team can handle all your fire and security system needs including installation, fault finding, callouts, and certification. 3. Access Control Installation - We specialize in the installation, fault finding, callouts, and certification of access control systems, ensuring your premises are secure and protected. 4. CCTV - From installation to fault finding, call-outs, and certification, our professionals are well-equipped to meet your CCTV requirements. 5. Heating and Plumbing - Our skilled technicians can assist with heating and plumbing needs, including fault finding, callouts, and certification, ensuring efficient and reliable systems. 6. Mobile Catering Units - For mobile catering businesses, we offer fault finding, callouts, and certification services to ensure the safety and compliance of your units. 7. PAT Testing - We provide Portable Appliance Testing, helping you comply with health and safety regulations and ensuring the safety of your electrical appliances. 8. EICR's - Our qualified professionals conduct Electrical Installation Condition Reports (EICR), identifying any potential hazards and ensuring the safety and compliance of your electrical installations.

Here at Prestige building contractors we cater for an array of different services from waste removal to full renovations and extensions or even maintenance for your existing property. Please don’t hesitate to contact us for a free friendly quotation or any assistance.

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Reviewed by Clare on 11/4/2025

Welcome to JZ Precision, where precision meets excellence in plumbing and construction services. With two decades of unparalleled experience, we are your trusted partner for all your plumbing and construction needs. Our dedicated team combines expertise and innovation to deliver high-quality solutions, ensuring your projects are handled with the utmost precision. At JZ Precision, customer service is our priority, guaranteeing a top-notch experience from start to finish. Choose us for reliable, efficient, and precision-driven plumbing and construction services.

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Reviewed by Babajide on 1/9/2025

Very professional, punctual and skilled service. I will hire again. Thank you for your work.

At vivid interiors ltd we have no hidden charges We are a domestic and commercial property renovation company with over 40 years of experience within the industry covering all aspects of your property's needs from repairs to renovations All work is guaranteed: All works are insured Engineers DBS checked and vetted Quick Response time Emergency and planned works All works are for labour only, parts are subject to charges, Planned works are at a fixed rate. Payment options and discounts available, Cash/Bank Transfer payments are accepted. Any work over £500 will require a 50% deposit and materials paid for prior to work commencing unless agreed with the management All works to be Paid in full is required before the engineer leaves the property any late payment is subject to a 50% charge unless agreed with management

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Reviewed by Amin on 10/9/2025

We recently had Jay come to replace our radiators, and the whole experience was excellent from start to finish. He arrived on time, worked efficiently, and made sure everything was fitted perfectly. Jay was also very respectful of the space, kept things tidy, and even took the opened packaging of the radiators with him. The new radiators look and perform great thanks to his skill. I’d happily recommend Jay to anyone looking for reliable engineer.

Our family has been mastering our trade for over 25 years, with two generations currently involved. We take pride in offering extensive knowledge and assistance to our clients, covering a wide range of areas when it comes to renovations and refurbishments. From the start of the project to its final completion, we offer help, guidance, advice, and assistance to create the perfect interior and exterior. Our services include comprehensive flooring solutions such as tiling, laminate installations, underfloor heating, and more. We also specialize in drywall/plasterboard installations, including unique shapes with hidden lights, cornices, and wallpapering. We are experts in every aspect of painting and decorating, and our true passion lies in creating bespoke, one-of-a-kind decorative plastering designs that offer limitless possibilities. From silky-smooth, polished, or shiny finishes to bold pearly effects, rough 3D-looking designs, and much more. We can even create custom-made paintings on almost any surface, including walls, ceilings, and mirrors. You can trust us to bring your vision to life with our exceptional craftsmanship and attention to detail.

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Reviewed by Pawel on 18/6/2025

Worked carried out as expected

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Reviewed by Ben on 5/5/2025

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