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Find a Builder in New Tredegar
Find a local builder near you. We have 803 trusted and reviewed builders in New Tredegar to choose from, based on 809 reviews.
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Builders in New Tredegar
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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
Builder covering New Tredegar
Member since Dec 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
Builder covering New Tredegar
Member since Sep 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
Builder covering New Tredegar
Member since Jan 2020
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
Builder covering New Tredegar
Member since Apr 2017
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
Builder covering New Tredegar
Member since Dec 2024
ID Checked
Just starting out as a sole trader and looking for work to build a company reputation, in and around my area. Willing to travel up to 60 miles, Patio's, Fencing, Decking as well as a wide range of other jobs. There's no job to small or to big.
Latest Brick / Block Paving Review
"Turned up for work with no issues, Got the job done in a timely manner, reasonably priced quote and the result turned out great."
Reviewed by Andrew on 4th Oct 2025Based in SA18 1EW,
Gwaun-cae-gurwen
Builder covering New Tredegar
Member since May 2025
ID Checked
Professional roofing company based in Cardiff, serving both Cardiff and Swansea. Specialising in roof repairs, installations, and maintenance, we deliver reliable and high-quality roofing solutions for both domestic and commercial clients. With y...
Latest Porch / Canopy Review
"Great communication,efficient done what they said they were going to do,ideal"
Reviewed by Jamie on 27th Sep 2025Based in CF10 3BD,
Cardiff
Builder covering New Tredegar
Member since Nov 2024
ID Checked
I'm a multiskilltradesman 15yrs experiance+reliable can do rendering slabbing blocking brickwork brickpaving
Based in NP22 5DJ,
Rhymney
Builder covering New Tredegar
Member since Feb 2023
ID Checked
All aspects of building and plumbing wor undertake
Based in NP24 6EZ,
Tirphil
Builder covering New Tredegar
Member since Feb 2024
M&M Builders our company has over 30 years experience in all different aspects of the building trade, we can provide a range of services such as ~Brick and block laying/concreting ~Patios/Decking/Fencing ~Plumbing/heating from small repairs to fu...
Based in CF81 9DW,
Aberbargoed
Builder covering New Tredegar
Member since Oct 2022
ID Checked
Mike here mjp masonry we specialise in stonework and do most aspects of building works including *stonework *garden renovations *garden walls *stone fronted houses *man caves/summer house *plastering *blockwork *repointing *retaining walls an...
Based in CF81 9GJ,
Deri
Builder covering New Tredegar
Member since Dec 2023
General builder patios fencing plastering bathrooms kitchens roofing all aspects of building and garden work
Based in CF82 8BW,
Penpedairheol
Builder covering New Tredegar
Member since Mar 2025
Builder with many talents, from the smallest of jobs to Plastering, kitchen fits, bathroom suites, extensions, loft conversions, garage builds etc. In the building trade for over 20 years
Latest Internal Rendering Review
"Very good friendly"
Reviewed by John on 9th Feb 2026Based in CF83 3AH,
Caerphilly
Builder covering New Tredegar
Member since Oct 2024
ID Checked
Welcome Here weat no limits contractors it’s not just a name its our company ethos we strive to make your dream home a reality an there’s is no scope of works we can’t cover to the highest of standards.
Latest Internal Renovation / Reconfiguration Review
"They were very helpful and supportive good with knowledge highly recommend."
Reviewed by Reema on 2nd Jan 2026Based in CF11 6JH,
Cardiff
Builder covering New Tredegar
Member since Jan 2026
Public liability insurance
Hey I been running my business for 20 years now we cover all building works and we be happy two work with you
Based in NP24 6AJ,
New Tredegar
Builder covering New Tredegar
Member since Dec 2024
Bricklayers and general builders 30 years experience in building houses pubs, walls, patios,fencin very professional Clean outfit. We've worked around most of the UK But prefer 2 work local
Based in CF81 8SP,
Bargoed
Builder covering New Tredegar
Member since Jun 2025
ID Checked
Here at C&L building and maintenance can cater for all your building needs! Please don’t hesitate to get in touch for a free and friendly no obligation quote!
Based in CF81 8PN,
Bargoed
Builder covering New Tredegar
Member since Jan 2023
ID Checked
Have been in the trade 25 yrs, reliable n freindly
Based in CF81 8QH,
Bargoed
Builder covering New Tredegar
Member since Apr 2023
Plastamast is a family run building company based in the Cardiff and surrounding areas. With over 20 years experience in the building industry we are Known for our quality workmanship and reliability. We specialise in all aspects of building services...
Latest Underpinning / Foundation Review
"Dan was great. Friendly, knowledgeable and got the job done quickly. Cleaned up afterwards, as well. Can recommend and will definitely be in touch again in the future."
Reviewed by Thomas on 3rd Feb 2026Based in CF3 0NQ,
Saint Mellons
Builder covering New Tredegar
Member since Apr 2021
Public liability insurance
JD Signature Builds delivers high-end construction and bespoke building solutions with a focus on quality, structure, and finish. Every project is approached with care, skill, and attention to detail—creating spaces that are not only built strong, bu...
Latest Internal Renovation / Reconfiguration Review
"Excellent service and work from start to finish. JD called quickly after I submitted my job request and talked me through the my options. When he came he identified the issue quickly and carried out the work required to a very hig..."
Reviewed by Alex on 26th Jan 2026Based in CF11 7DT,
Cardiff
Builder covering New Tredegar
Member since Jan 2026
Public liability insurance
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Our Reviews
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.
To understand more about our reviews process, please visit our Reviews Policy.
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Recent Builder Questions
How long is underpinning guarantee for?
Builder
We’ve been told the house was underpinned years ago, but I’ve no idea what sort of guarantee normally comes with that or...
4 answers
Asked by Greg, 1 day ago
Window and lintels
Builder
If the windows and lintels need to be replaced on a 4 bed detached property, how much would that likely cost? Our Level...
5 answers
Asked by Shaswati, 4 days ago
Removing paint from outdoor sills & step
Builder
Hello, how can I remove old paint from stone window sills and a stone step?
8 answers
Asked by Louise, 6 days ago
How close can foundations be built to an existing drain?
Builder
We’re planning an extension and there’s a drain running near where the foundations would go, so I’m trying to work out w...
10 answers
Asked by Everson, 2 weeks ago
Cavity tray over bay window
Builder
We have recently had a bay window installed from a flat window our house is 9”solid brickwork since then it has rained i...
8 answers
Asked by Lindy, 2 weeks ago
Moving a stud wall
Builder
I split a large bedroom into 2 with a stud wall about 3 years ago. However, I didn’t get the calculations correct and on...
7 answers
Asked by Denise, 2 weeks ago
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