The quick way to find a local Plumber in Welwyn

PRINCETON ECO PLUS SERVICES LTD

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Flexible finance options available – spread the cost of your installation with affordable monthly payments (subject to status). Princeton Eco Plus Services LTD is a trusted, fully accredited UK energy efficiency contractor, delivering safe, compliant, and high-quality home improvement solutions you can rely on. With over 7 years of industry experience, we help homeowners and landlords improve the comfort, efficiency, and long-term performance of their properties through professionally delivered installations. Our services include loft insulation, cavity wall insulation, boiler installations and upgrades, air source heat pumps (ASHP), and solar PV systems. Every project starts with a thorough property assessment and clear, honest advice tailored to the home and customer's needs. We are PAS 2035 compliant, TrustMark registered, and Gas Safe registered, ensuring all work meets current regulations and industry best practice. We work with experienced installers and trusted manufacturers to deliver reliable, long-lasting results. From initial enquiry through to installation and aftercare, we provide a transparent, end-to-end service with clear pricing and no hidden costs. Marigold Insulation supports homeowners, landlords, and property investors looking to reduce energy bills, improve EPC ratings, and future-proof their homes.

STONEHENGE

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We have over 23 years of experience in the building industry

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Reviewed by James on 16/3/2024

Considerate and professional. Excellent finish. Offered expert advice and helped bring the bathroom project together

FM Property Services

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At our company, FM Property Services , construction is more than just building — it’s about creating spaces that our customers can trust, enjoy, and feel proud of. With over 15 years of experience, we are committed to delivering high-quality work while making sure every client feels valued and satisfied. We understand that every project is important, whether it’s a small job or a large development. That’s why we work closely with our customers, listening to their needs and turning their ideas into reality. Our team focuses on clear communication, reliability, and attention to detail from start to finish. Customer satisfaction is at the heart of everything we do. We aim not only to meet expectations but to exceed them by delivering projects on time, within budget, and to the highest standards. For us, a happy customer is the true measure of success — and we are proud to build lasting relationships along with strong, dependable structures.

Bathroom Kingdom

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Bathroom Kingdom proudly represents top quality craftsmanship in complete bathroom installations/refurbishment, heating and plumbing installations. The company was started 15 years ago and since we have devoted our expertise to provide best possible service to our clients.

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Reviewed by Neil on 7/1/2020

Great guys to work with. Very respectful and clean workmanship. will be hiring again for the next job.

TIMI DECS LTD

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TiMI Decs LTD is a small company with a 14-year experience in home improvement. - Painting and painting solutions - Carpentry and joinery - carpet and floor solutions "No job too big or too small"

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Reviewed by Toks on 2/2/2026

Timi was patient and professional. He visited twice on his time to measure and gather requirements. On the day of execution, he arrived promptly and worked seamlessly with no sipervision. He also sent constant progress status report since i was not in on the day. I will surely be calling on him again and will recommend him. PS. His fees is also affordable.

Gary Webb

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We are the Webb brothers Simon and Gary working together for over 20 years - Design & Planning - Building Construction - Specialist in Traditional & Modern Brickwork Techniques - Landscaping and Fencing Specialist - Masonry - Carpentry - Painting - Maintenance - Repairs

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Reviewed by Maggie on 24/5/2026

ALPHATEC LTD

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Hi, This is Alphatec ltd. We have specialised team to take all types of building jobs. We are specialised in Bathroom fitting, Plumbing , electric , new builds & renovations

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Reviewed by Katy on 10/6/2025

Inder did a very good job of upgrading our upstairs bathroom and installing a toilet downstairs. He worked tirelessly and was very punctual. Great on communication too!

Pro Build

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probuild offer many property maintenance services were a small business that take pride in are work we have been in this line off work for over 10 years all are work is guaranteed we offer free estimates and advice

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Reviewed by Janet on 30/10/2021

Very prompt service. Excellent workmanship

HJN PLUMBING & HEATING LTD

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With over 15 years experience in domestic plumbing and heating, covering everything from maintenance to full installation. Gas Safe registered i take pride in proving high-quality workmanship using reliable materials and doing the job properly the first time

Aaron Construction

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We guarantee that every service is delivered exactly as agreed, with reliability and attention to detail you can trust. We are a fully VAT-registered business.

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Reviewed by Joe on 5/4/2026

London & Home Counties Alliance

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Established over 80 years ago London Builders are FMB & NHBC registered & operate in Greater London providing a comprehensive range of services for residential properties from design and construction through to refurbishment, repairs & re-decoration.

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Reviewed by Brian on 24/4/2017

They were really professional compared to the other builders that came and contacted me. The Project Manager was also on hand to answer any questions I had and offered me adviced on how best to move forward. We ended up refurbishing our entire bathroom which is looking great now. I would highly recommend London Builders.

tatradesigns

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Never distrust your nature....

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Reviewed by Marv on 1/3/2026

Kris quoted and delivered a great job as scheduled and gave extra touches to achieve that clean professional finish shown in his photos. I highly recommend Kris, appreciate and value his overall commitment to service, showing dedication and hard work. I look forward to having additional work done.

INS - Construction

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We deal with insurance claims handling, reinstatement and repairs to any type of reinstatement including damage caused by escape of water, flood and fire damaged properties. We also completed works involving: Non-evasive leak detection. Insurance surveying / Schedules. Damp mapping and drying. Refurbishment and repairs to residential commercial buildings. Replacement kitchens and bathrooms. Plumbing. Plastering. Roofing. Painting and decorating. Asbestos surveys and removal. Carpentry. We are also a member of the The British Damage Management Association (BDMA)

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Reviewed by John on 4/3/2023

Catalin Timaru

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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

Jay's Property Maintainance

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Hi at jays property maintenance we run a family run business that are specialists in flat roofing new roofs Chimley rebuilds lead work and all aspects of property maintenance.with a 5 million public liability insurance.

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Reviewed by Mark on 18/8/2025

fair trade builders

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Fairtrade builders

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Reviewed by Steve on 29/9/2021

Had a quote for roof repair which included for 1 missing tile, re fitting existing tiles, repairing flashing and gutter cleaning did not accept quote. On advice from another roofer just had the one missing tile replaced since there was no evidence of any leaks inside the loft or 2nd floor ceilings.

Fusetec Electrical Ltd

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Fusetec Electrical is a family run business offering a range of electrical services by an NICEIC registered and qualified electrician working in Hertfordshire, with over 25 years experience and based in Ware. * General electrical work including extra Sockets and Lights * Fusebox upgrades * Full & partial rewires * Fusebox problems * Landlord certificates for rentals (EICR) * Solar and Battery Storage Systems * Electric Vehicle charging points

Latest homeowner review

Reviewed by Jan on 4/7/2012

Paul was very pleasant on the telephone and very helpful. I didn't actually meet him as he was doing the job for my daughter but she said he was very pleasant. I would certainly seek him out again.

J&M HOME IMPROVEMENTS AND CONSTRUCTION UK LIMITED

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we are a company offering all building works, extensions, lofts, bespoke bathrooms and kitchens to suite your taste. We use only the highest quality products and materials for your job. Only the best design, materials and price will always be provided.

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Reviewed by Anna on 9/5/2024

John Makkar and his incredible team have made the experience of renovating our whole 5 bedroomed house an absolute pleasure ! The enthusiasm and professionalism is outstanding as well as the quality of work and his excellent communication. I can’t rate John and the team highly enough! His ideas are brilliant and creative- always a problem solver and he deeply cares. Thank you so much John and the team!

NCS Plumbing and Heating Specialist

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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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Reviewed by Steven on 28/7/2024