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Find an Outbuilding Constructor in Welwyn
Find a local outbuilding constructor near you. We have 8,408 trusted and reviewed outbuilding construction specialists in Welwyn to choose from, based on 3,889 reviews.
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Outbuilding Construction Specialists in Welwyn
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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
Member since Mar 2025
ID Checked
JCU who are we? We are a company that started as a dream by the director Joe Abbott. To build a better construction and plant hire image and take away the stress away from building your future. We own various plant that will help you drive costs dow...
Based in AL6 9SU,
Welwyn
Outbuilding Constructor covering Welwyn
Member since Jan 2023
ID Checked
After almost 20 years in supply of materials to the Trade, we decided to put our knowledge into practice and deliver high quality, reliable and honest workmanship, utilising a vast database of experienced and highly motivated tradesmen. We have va...
Based in SG3 6JS,
Woolmer Green
Outbuilding Constructor covering Welwyn
Member since Aug 2024
ID Checked
We are a professional building company providing services in home designs, ranging from kitchens and bathrooms to complete home refurbishments. Having over 20 years of experience in the industry, we will always guarantee the highest quality job to sa...
Latest uPVC Windows & Door Review
"A&I Builders were the perfect choice for our project, and I couldn't be happier with the result. What began as a relatively small kitchen reconfiguration eventually evolved into a complete refurbishment, including structural alte..."
Reviewed by Chris on 25th Oct 2026Based in EN2 7EL,
Enfield
Outbuilding Constructor covering Welwyn
Member since May 2019
ID Checked
General builder with 40 years experience all types of building work undertaken Brickwork paving patios fencing
Latest Builder Review
"We had our garden done in July this year and absolutely love it! ❤️ We now have a beautiful new patio, artificial grass and a lovely big space that we can really enjoy as a family. It has completely transformed the garden, and we..."
Reviewed by Carly on 16th Oct 2026Based in SG12 9PH,
Ware
Outbuilding Constructor covering Welwyn
Member since Aug 2026
ID Checked
Experienced builder and bricklayer providing high-quality residential and commercial construction services. Specialising in house extensions, renovations, brick and blockwork, garden walls, foundations, structural alterations, repointing, and general...
Latest Internal Walls Review
"very good job done, efficient and got everything done that I asked for which was removing plasterboard wall over a fireplace and alcoves"
Reviewed by Katy on 11th Oct 2026Based in NW10 0LL,
London
Outbuilding Constructor covering Welwyn
Member since Jun 2026
ID Checked
Based in London - Cover all surrounding areas. We specialise in all aspects of groundworks - All work guaranteed with over 25 years experience! We also offer 1 years contact support and indemnity for the job we completed !So you wont be left high...
Latest Concrete Base Review
"Danny arrived a day early than initially scheduled but checked in beforehand to confirm it was okay to do so. He worked cleanly, tidying up after he had finished. Very polite and personable. I’d definitely and would be using again..."
Reviewed by Leslie on 9th Oct 2026Based in E4 7FG,
London
Outbuilding Constructor covering Welwyn
Member since Sep 2026
ID Checked
High quality refurbishment , kitchen and loft extensions, painting and decoration and any other building requirements.
Latest Internal Rendering Review
"Really nice bloke, worked efficiently but to a very high standard. Would definitely recommend"
Reviewed by James on 18th Sep 2026Based in AL9 7TT,
Brookmans Park
Outbuilding Constructor covering Welwyn
Member since Aug 2026
ID Checked
Experienced home renovation partnership. Painting decorating, renovation, restoration. External and internal works undertaken including full kitchen installations, full home renovation, landlord refresh, garden fencing, outbuildings, garage conversi...
Latest Internal Painting Review
"Nick, Rhys and colleagues were an absolute pleasure to have paint everywhere and refurbish parts of our house and I would have no hesitation in recommending them. Really nice guys, did a great job, came back and did some snagging..."
Reviewed by Simon on 13th Sep 2026Based in SG2 8DF,
Stevenage
Outbuilding Constructor covering Welwyn
Member since Sep 2019
ID Checked
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 W11 3RB,
London
Outbuilding Constructor covering Welwyn
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
Member since Jul 2026
Public liability insurance
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
Member since Nov 2023
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
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
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
Member since Jun 2026
ID Checked
Welcome to Edward Construction, your trusted driveway contractors based in the heart of South Hornchurch. We proudly serve the vibrant community of Havering, London, with our expert driveway services. Our team is dedicated to transforming your outdoo...
Based in AL10 9GS,
Hatfield
Outbuilding Constructor covering Welwyn
Member since Feb 2025
ID Checked
We are a family run business with 35yrs experience in the building trade we cover domestic and commercial work with some very impressive projects completed on budget and on time We work in the herts beds and bucks area also covering north London We...
Based in SG4,
Hitchin
Outbuilding Constructor covering Welwyn
Member since Apr 2024
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
Member since Jul 2023
ID Checked
Your local building firm with over 10 years experience
Based in AL6 9JG,
Welwyn
Outbuilding Constructor covering Welwyn
Member since Mar 2024
ID Checked
Megalight Technologies Ltd: A UK based structural engineering company which does drawings and blueprints, Extensions, Loft Conversions and HouseRef
Based in AL8 7HQ,
Welwyn Garden City
Outbuilding Constructor covering Welwyn
Member since Oct 2025
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