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Find an Outbuilding Constructor in Welwyn Garden City
Find a local outbuilding constructor near you. We have 8,083 trusted and reviewed outbuilding construction specialists in Welwyn Garden City to choose from, based on 3,592 reviews.
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Outbuilding Construction Specialists in Welwyn Garden City
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Established over 20 years ago, we cover all areas of building work, including new builds, extensions, conversions, refurbishments and renovations. We can also help you get the most out of your home by upgrading your space to the latest bathroom or ki...
Latest Bathroom, Kitchen and WC Plumbing Review
"Vito has been brilliant from start to finish. He was the only company who actually came out, measured properly, and gave us a quotation that was clear, detailed, and completely reasonable. He and his crew arrived on time every si..."
Reviewed by Sue on 5th Aug 2026Based in AL3 6HR,
St Albans
Outbuilding Constructor covering Welwyn Garden City
Member since Nov 2023
ID Checked
20 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...
Based in AL7 3UW,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Jul 2023
ID Checked
Builder 33 years woorked on highways all sorts of trades in the building trade
Based in AL7 3QS,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Jan 2026
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...
Based in AL7 3SY,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since May 2026
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...
Based in AL7 3UW,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Jan 2023
ID Checked
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...
Based in AL7 4DF,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Dec 2024
ID Checked
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...
Based in AL7 4DJ,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Apr 2025
ID Checked
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.
Based in AL7 4HP,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Feb 2026
Ws home improvements Small repairs to major renovations All types of work interior to exterior Over 25 years experience
Based in AL7 3JQ,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Mar 2025
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
Based in AL7 3HB,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Oct 2023
vast experience in refurbishents we have access to a wide range in our team including structural engineer and surveyors Kitchen/ bathroom service available Please note surveys chargeable Detailed quotations / estimates also
Latest General Brick Laying Review
"Very fast and efficient"
Reviewed by Bruce on 6th Sep 2026Based in W4 5DA,
London
Outbuilding Constructor covering Welwyn Garden City
Member since Aug 2021
Public liability insurance
AGM Building & Landscaping is a trusted, professional company specialising in pattern imprinted concrete and resin-bound surfacing. Based in Welwyn Garden City, we proudly serve homeowners, landlords and estate agents across Hertfordshire and the...
Latest Stone / Concrete Review
"Completed a job to replace the front pathway at my Grandmothers house, Tony was great at keeping me updated on the status of the job throughout given this wasn’t at my own house was invaluable, would definitely recommend."
Reviewed by Mark on 17th Aug 2026Based in AL7 3HS,
Welwyn Garden City
Outbuilding Constructor covering Welwyn Garden City
Member since Jul 2026
Public liability insurance
Independent 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.
Latest Brick / Block Paving Review
"Joe was excellent, worked to our timelines, communicated when schedules may need to be changed and always consulted with us on decisions instead of just doing it his way. He gave us options and honesty pricing and then just cracke..."
Reviewed by Phil on 11th Aug 2026Based in SG3 6DU,
Knebworth
Outbuilding Constructor covering Welwyn Garden City
Member since Mar 2025
ID Checked
Reliable 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
Latest Internal Renovation / Reconfiguration Review
"We used Silver Prism, Ivan and his team to do a full refurbishment of our loft rooms. A total of 3 bedrooms covering ~900sq foot. The job involved - Removing all lathe and plaster, going back to rafters. Removing and levelling al..."
Reviewed by Onkar on 23rd Jul 2026Based in HA7 2DY,
Stanmore
Outbuilding Constructor covering Welwyn Garden City
Member since Jul 2017
ID Checked
We 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...
Latest Brick / Block Paving Review
"Absolutely fantastic builders-a great team! They are very decent guys, honest, hardworking, and just good people. Vincenzo and Francesco demolished our old garden shed and concrete base, and constructed a new, larger base ready f..."
Reviewed by Poly on 18th Jul 2026Based in EN11 9BE,
Hoddesdon
Outbuilding Constructor covering Welwyn Garden City
Member since Jun 2023
ID Checked
Established builder for over 30 years extensions new builds and renovations delivering value for money and completing on time and on budget to an excellent standard
Latest General Maintenance Review
"JPD Build and Design presents themselves as an efficient and professional company. The quote was very reasonable but sadly too good to be true. The original time frame was 3 weeks but after 9 weeks of excuses, poor communica..."
Reviewed by Lara on 1st Jul 2026Based in AL3 4LZ,
St Albans
Outbuilding Constructor covering Welwyn Garden City
Member since Jun 2026
ID Checked
Welcome to F.A. Property Solutions, your trusted partner in comprehensive property management services. Specializing in all aspects of building works, cleaning, and maintenance, we pride ourselves on delivering high-quality solutions tailored to meet...
Latest General Maintenance Review
"Andy suggested a solution I would not have thought of and carried out the work quickly and efficiently. I now have an attractive locked storage space instead of a broken garage door. Could not be more pleased."
Reviewed by Valerie on 2nd May 2026Based in SG11 1QY,
Standon
Outbuilding Constructor covering Welwyn Garden City
Member since Mar 2025
Public liability insurance
We’re a trusted local team with years of experience in extensions, brickwork, refurbishments, and landscaping, proudly serving Herts, Beds & Cambs. Our goal is simple — to help homeowners get the most out of their property without the stress of m...
Latest Brick / Block Paving Review
"Fantastic service from start to end would highly reccomend for all your building needs"
Reviewed by Wayne on 3rd Apr 2026Based in SG2 7BH,
Stevenage
Outbuilding Constructor covering Welwyn Garden City
Member since Jan 2026
ID Checked
H Build Co is a Hertford-based building company providing professional building, renovation and refurbishment services across Hertfordshire and surrounding areas. With over 10 years’ experience in the building trade, we undertake projects of all siz...
Latest Staircases - Wooden Review
"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 2025Based in SG14 2FF,
Hertford
Outbuilding Constructor covering Welwyn Garden City
Member since Nov 2025
ID Checked
Small building contractor, patios, driveways, landscaping, garage and shed bases, painting and decorating. Based in Herts. Fully insured.
Based in AL1 5ST,
Saint Albans
Outbuilding Constructor covering Welwyn Garden City
Member since Jul 2025
ID Checked
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