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Find an Extension Builder in Monmouthshire
Find a local extension builder near you. We have 1,544 trusted and reviewed extension builders in Monmouthshire to choose from, based on 1,088 reviews.
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Extension Builders in Monmouthshire
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We are a established damp proofing and reputable building company with 30+ years of experience in all domestic and commercial properties throughout the South Wales and East valleys. fully qualified and insured. We also undertake loft conversions and...
Latest General Maintenance Review
"The guys were great, got the job done in no time at all."
Reviewed by Owen on 2nd Feb 2026Based in NP20 4BX,
Newport
Extension Builder covering Monmouthshire
Member since Dec 2025
Public liability insurance
I’ve been in the construct industry for 35 years , I have a small building company called RITESTONE Ltd I’n Monmouthshire. We carry out all kinds of work from new Extentions , new roofs, loft conversions and all aspects off. Renovation work We car...
Based in NP15 1EY,
Usk
Extension Builder covering Monmouthshire
Member since Jul 2023
ID Checked
General building - waste clearances and septic tank install and Soakaways, garden design and maintenance. UPVC and wooden window installation, waste removal including hazardous- please ask for more services. Handy man services and much more
Latest Man with a Van Review
"Friendly & very responsive service , efficient , good price , definitely recommend - would definitely use again"
Reviewed by Sally on 12th Mar 2026Based in NP19 9BY,
Newport
Extension Builder covering Monmouthshire
Member since Dec 2025
ID Checked
I am a sole trader with more than 20 years experience. I have many reliable and honest connections to cover all aspects of the construction Industry. Our work is done to a very high standard. No job too big or small.
Latest Chimney Building / Repair Review
"Very positive experience. Happy to complete the job in a timely manner. Completed investigation for a property which has had a chimney breast removed and unknown if it was properly supported. Full investigation completed includi..."
Reviewed by Alexandrina on 12th Mar 2026Based in BS37 5DS,
Yate
Extension Builder covering Monmouthshire
Member since Feb 2026
ID Checked
R&B Building is a trusted construction and property development company dedicated to delivering high-quality building solutions with integrity, craftsmanship, and efficiency. With a strong reputation for reliability and exceptional workmanship, we sp...
Latest Plaster Skimming Review
"Got job done perfectly Very nice and good service throughout."
Reviewed by Emma on 6th Feb 2026Based in GL8 8YG,
Bagpath
Extension Builder covering Monmouthshire
Member since Dec 2025
ID Checked
All building work from small jobs Extensions Refurbishments All work carried out by professional trades
Latest Plaster Skimming Review
"Very friendly did everything I asked will use again"
Reviewed by Elizabeth on 4th Feb 2026Based in CF62 9BU,
Barry
Extension Builder covering Monmouthshire
Member since Apr 2017
ID Checked
I founded my building company over 20 years ago, since which time I have proudly watched it expand into an exceptional team of friendly and highly skilled perfectionists. We care passionately about our work and also pride ourselves on being great lis...
Latest Garage Conversion Review
"Piotr converted our garage into an office and snug space and did an amazing job. He is very hard working and always responds to messages very quickly unlike other builders we've dealt with in the past. Highly recommend!"
Reviewed by Louise on 11th Jan 2026Based in BS10 7PW,
Bristol
Extension Builder covering Monmouthshire
Member since Jan 2025
Public liability insurance
At JN Building Services & Property Development, we specialize in new build extensions and quality construction solutions across South Wales. With over 11 years of industry experience, founder Johnathan leads each project with a hands-on approach...
Latest Chimney Building / Repair Review
"Jonathan was great - showed up as promised and was professional and helpful."
Reviewed by Emily on 23rd Dec 2025Based in CF72 9QA,
Llanharan
Extension Builder covering Monmouthshire
Member since Sep 2025
Public liability insurance
I've been in the building trade for 30years. Im a qualified bricklayer and stonemason and have a wide range of skill throughout the whole building and maintenance industry. I've worked all over the uk and Ireland and don't mind traveli...
Latest Man with a Van Review
"He contacted me quickly, gave a very reasonable quote and carried out work efficiently later the same day and was punctual. Highly recommended"
Reviewed by John on 19th Dec 2025Based in NP44 1JT,
Cwmbran
Extension Builder covering Monmouthshire
Member since Dec 2025
ID Checked
LARH Construction I am a carpenter by trade I have worked for myself for 20 years. Plus working with many other traders
Latest Walls & Pillars Review
"Matthew and his team completed work exactly to specification for the quoted amount and did an excellent job. He kept me up todate with visit times and always turned up when agreed. Highly recommended."
Reviewed by Michael on 11th Dec 2025Based in CF35 6YT,
Pencoed
Extension Builder covering Monmouthshire
Member since Dec 2024
ID Checked
I am a reliable general builder I have built extensions loft conversion and general alterations and structural steel work I have been in this business for 30 years I really enjoy my work and talking to clients . I have a public liability insurance...
Latest General Maintenance Review
"Geoff is a very nice and helpfull person. He did a great job and complete within the time we agreed, left everything clean and tidy. Recommend to everyone."
Reviewed by Rafal on 15th Nov 2025Based in BS31 2NX,
Keynsham
Extension Builder covering Monmouthshire
Member since Mar 2025
Public liability insurance
Hi we are a friendly and honest Company, who always do everything to help and make customers feel safe and happy, we price all Jobs with exact price from start to finish, everything is done in a law contract, so costoms feel lot safer from cowboys,...
Latest Wooden Doors - Internal Review
"Excellent work done, friendly service"
Reviewed by Joana on 11th Nov 2025Based in CF45 3TL,
Mountain Ash
Extension Builder covering Monmouthshire
Member since Jan 2020
ID Checked
We are a small building company with 25 years experience in the floor screeding and insitue concrete.. we now covering various aspects of general building. From demolition and site clearance to reconstruction, drainage, patio work.. etc
Latest Brick/Block Paving Review
"Jerry won my business for 2 reasons. He was the only tradesperson to visit the site personally and, by fully assessing what was needed to do the job, delivered the most competitive quote. Jerry and his team were then on site in a..."
Reviewed by Archie on 3rd Oct 2025Based in BS30 9SU,
Oldland Common
Extension Builder covering Monmouthshire
Member since Feb 2025
Public liability insurance
General building and home improvement company with small personal company values. We pride ourselves on quality over quantity. Based in Ross on Wye we cover .most areas within 1 hour driving time
Based in HR9 7ND,
Lea
Extension Builder covering Monmouthshire
Member since Dec 2016
ID Checked
Level 2 bricklayer. Newly qualified looking for self employed jobs.
Based in NP25 5AL,
Monmouth
Extension Builder covering Monmouthshire
Member since Jul 2024
Wye building solutions ltd 27 yrs experience from barn conversions renovations to new build lime mortar specialist,we cover all aspects of building from groundwork’s right through to painting,certified electrician and plumber
Based in HR9 7RQ,
Ross-on-wye
Extension Builder covering Monmouthshire
Member since Nov 2021
ID Checked
Very experienced with an eye for detail capabilities many Reg builder
Based in GL16 7LD,
Milkwall
Extension Builder covering Monmouthshire
Member since Sep 2025
I run a small, professional construction and groundworks company. Based in Tewkesbury but covering Gloucester, Worcester, Hereford and parts of Wales. I offer bespoke services, tailored to your exact requirements, always offering exceptional qualit...
Based in NP15 2AN,
Raglan
Extension Builder covering Monmouthshire
Member since Aug 2024
ID Checked
With nearly a decade in the construction industry, working on high end new build residential properties Haydn launched Maiflower Construction Limited in early 2022. Being a family run business we pride ourselves on our dedicated and flexible approac...
Based in GL16 8LX,
Clearwell
Extension Builder covering Monmouthshire
Member since Jan 2023
Im 20 years of age hold cscs/aspestos/manual handling working too geting my forklift licence and i am looking fot shopfitting work or labouring i dont drive
Based in GL16 7JF,
Broadwell
Extension Builder covering Monmouthshire
Member since Nov 2025
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All 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.
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