Find a local builder near you. We have 8,378 trusted and reviewed builders in Welwyn Garden City to choose from, based on 4,107 reviews.
Tell us about the building work you need doing around your home.
Up to 3 Builders in Welwyn Garden City will then be in touch to quote for the work.
Compare quotes then choose your preferred Welwyn Garden City Builder.
Filter by:
We are a reliable Hertford-based building and property maintenance company providing high-quality home improvements, repairs and refurbishment services throughout Hertfordshire and surrounding areas. With strong experience working on residential and...
"Very quick service. The supplier usually used was shut for Xmas so I got my own rail from Amazon and Harvey fitted it Xmas eve"
Reviewed by Julie on 26th Dec 2025We are a team of experienced builders with over 20 years in the construction industry, providing reliable and professional general building services. Over the years, we have built a strong reputation for delivering high-quality workmanship, attention...
"Francesco and Vince did an absolutely fantastic and high quality garage conversion for us, as well as a number of other jobs like tiling for a kitchen splashback, fixing outdoor paving slabs, and building a fence and gate around t..."
Reviewed by Ece on 2nd Jun 2026Independent sole trader. Small builds - patios, gardens, sheds, summerhouses, general tidy-ups, brickwork and general handyman work. Reasonable and fair pricing. References and photos of past work completed available upon request.
"Joe explained the timeline of the job and kept me informed at all stages. I found Joe, honest, trustworthy and friendly. The job was completed on time, to a good quality and at a reasonable price. I would highly recommend Joe, he..."
Reviewed by Gerald on 12th Feb 2026We take care of every part of the build from architectural plans and planing permission all the way covering all trades. Over 20 years experience. Friendly approach helping and guiding through the project for a pleasant experience.
"This was our first time getting work done so were worried hearing all of the horror stories but on meeting Dan for the first time we knew we needed to go with him and our instinct was 100% correct. Communication was great, respect..."
Reviewed by Nicholas on 4th Feb 2026Reliable and hardworking ,always focusing in bringing satisfaction to the clients about work Over 17 year in building trade ,we have done lot of project from small like ,bathroom ,kitchen to loft extension.,house extension and renovation
"Ioan did a fantastic job doing our flooring and brick work. Very professional, always responding quickly and turning up on time with good communication. Would 100% recommend."
Reviewed by Ashley on 15th Jan 2026Renoelevation Ltd is dedicated to becoming your contractor of choice no matter the service. We pursue excellence and our dedicated and experienced team drive to deliver quality in a timely fashion. we provide construction services and every job sche...
"Mario was great! very helpful and reliable. I recommend him to everyone without any hesitation. 10/10."
Reviewed by Lewis Beverly on 11th Jan 2026Hi we’re building company with experience of building renovation extensions garage garden gardens house and kitchen dizayn garden houses garage we’re talking cares about your property and you work
"Hosein and his team did the renovation of my flat. They did an excellent job, no hidden extras and high standard. Highly recommend"
Reviewed by Hansdev on 18th Dec 202520 years ago we started a handyman service in and around Welwyn Garden City , this grew into setting up a building company as the work and size of the jobs grew with all the happy customers LOCAL BUILDER 15 YEARS QUALITY WORK WITH LOTS OF RECOMENDA...
Builder 33 years woorked on highways all sorts of trades in the building trade
Family-run building company with over 25 years of hands-on experience We take pride in delivering high quality workmanship, honest advice, and a reliable service you can trust. From small repairs to full renovations, every project is treated with t...
Hi, we are a building, electrical and refurbishment company in wgc, we carry out garage conversions to re-wires and everything in between, all trades covered, fully insured , niceic and gas safe certificates issued, we also work in the commercial se...
Williams Construction & Build Limited is a trusted, family-run business that stands out for its commitment to reliability, honesty, and exceptional customer service. We believe in going the extra mile to ensure every project is completed to the h...
Hello everyone We are a team based in Welwyn Garden City focused on building extended lofts and full refurbishments. We already have several buildings around that can be seen and get the opinion of our former clients on how we work and what our atti...
Hellou I'M GRZEGORZ My experience is : home renovations, including bathrooms and kitchens, plumbing, electrical work, carpentry, floors, doors, painting, and everything else related to construction.
Ws home improvements Small repairs to major renovations All types of work interior to exterior Over 25 years experience
We are a small business who have been trading for 5+ years, location Welwyn Garden City. We guarantee that our work is quality and you’ll be left satisfied with the whole process
Hi … am honest builder…. With work,s…………………………………?
"Before starting my full house renovation which included a 28 sq meter rear extension, garage conversion and a Dormer Loft conversion, i was very cautious and scared after hearing all the stories about builders running away with mo..."
Reviewed by Moazam on 14th Jun 2026Hello my name is Richard, I have been in the garden maintenance industry for 15 years, small family-ran business for the local and surrounding communities. We are capable of all types of work for your needs and budget. All work is completed to cu...
"Great job genuine tradesman went like clockwork, good price, perfect communication very tidy no issues at all . Would use again Richard is very easy to deal with and understood my requirements. Perfect time keeping."
Reviewed by Kevin on 9th May 2026JC Construction, professional and reliable building company, over 10 years hands on experience in the trade. High quality workmanship, from small repairs to full property renovations. Real pride in the work, strong attention to detail, getting it ri...
"Had jc construction replaster my bedroom. Was very impressed with their protection of my carpets and the finish. Would highly recommend them"
Reviewed by Grant on 5th May 2026At R Pira , we offer a wide range of construction and renovation services tailored to meet your needs. With years of experience and a commitment to quality, we deliver exceptional results on every project. Our services include: 1. Demolition We pro...
"Romeo did a great job with my extension. I would use him"
Reviewed by Rahad on 2nd May 2026All reviews are submitted by homeowners who have had work completed as part of using our service. Whilst every effort is made to verify and check reviews, we ask all homeowners to conduct their own research and follow our Homeowner Checklist before hiring.
To understand more about our reviews process, please visit our Reviews Policy.
Find Builders Near You
We've got a condenser dryer at the moment but want to switch to a vented one. What's involved in installing the vent hos...
We want to build a detached single garage at the side of the house that's close to the fence line. Is there a minimum di...
We've been asked to pay 30% upfront before work starts. Is that a normal ask? What's the safest way to structure staged...
I'm planning to lay a concrete base for a 10x8 foot shed. How thick should the slab be, and does it need any reinforceme...
I gave permission for a scaffolding pole to rest briefly on our side and the contractor ended up damaging our fence. Who...
I'm drylining a garage wall that gets quite cold. Is foil backed plasterboard the right choice and does it go foil-side...
Join over 1,000,000 happy homeowners who have posted their job on MyJobQuote.
Over 1 million homeowners and over 50,000 tradespeople
use MyJobQuote nationwide each year