Find a local builder near you. We have 1,286 trusted and reviewed builders in Blaenau Gwent to choose from, based on 1,270 reviews.
Tell us about the building work you need doing around your home.
Up to 3 Builders in Blaenau Gwent will then be in touch to quote for the work.
Compare quotes then choose your preferred Blaenau Gwent Builder.
Filter by:
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...
"The guys were great, got the job done in no time at all."
Reviewed by Owen on 2nd Feb 2026Hi 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,...
"Excellent work done, friendly service"
Reviewed by Joana on 11th Nov 2025Supply and installation of all upvc and aluminium products including windows doors and Conservatories. Other trades available on request. All work comes with a 10 year insurance backed guarantee.
"Brilliant fitter. Good quality windows"
Reviewed by Clai on 21st Jan 2026I have been in this filed off work for around 15 years . Left school plastering for 5 years . And then started brick laying. Can take projects on from start to finish. Many photos on my Facebook of all my work.
"Lewis did a great job replacing our retaining wall in our garden. He was always keen to make sure we were happy with the work done and he made a nice and tidy job of it. Plans changed during the build but he ran changes past me an..."
Reviewed by Peter on 25th Apr 2026With over 27 years of experience in the construction industry, we provide reliable, high-quality building services for both residential and commercial projects. Our work covers all aspects of construction, from renovations and refurbishments to loft...
"From the very beginning, Dan did an amazing job,installed top quality joists and floorboards,and did it very quickly and efficiently.Dan is also a very conscientious worker and strives always for customer satisfaction. I cannot re..."
Reviewed by David on 12th Apr 2026General 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
"Efficient and friendly. Good value. He offered good advice and was very knowledgeable."
Reviewed by Phil on 24th Mar 2026we are a family run construction company built on hard work, honesty and pride in our craft, we specialise in delivering high quality construction and renovation services tailored to each client's needs. we value personal relationships, clear communi...
"Excellent job will use him again"
Reviewed by Caroline on 20th Mar 2026All building work from small jobs Extensions Refurbishments All work carried out by professional trades
"Very friendly did everything I asked will use again"
Reviewed by Elizabeth on 4th Feb 2026I 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...
"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 2026At 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...
"Jonathan was great - showed up as promised and was professional and helpful."
Reviewed by Emily on 23rd Dec 2025LARH Construction I am a carpenter by trade I have worked for myself for 20 years. Plus working with many other traders
"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 2025Insulationize ltd is a general contracting firm specializing in residential renovations and additions. We are a full-service company dedicated to quality construction and client satisfaction. Our goal is to provide our clients with a high-quality fin...
"Matt was excellent - friendly, professional and helped put my mind at ease with a house I'm buying - 10/10 recommend!"
Reviewed by Lily on 8th Dec 2025I have been trading for over 35 years in the building game and cover all aspects of the building trade and I have my liability insurence up to date
"John and Andrew have worked on major renovation projects and extensions at our home over the past 5 years. The fact that we keep returning to them is testament to their quality work and our excellent working relationship. I would..."
Reviewed by Alec & Lisa webley on 3rd Jun 2025We have been established for 25 years all our work is guaranteed and fully completed with liability insurance etc we offer free quotations on all roofing work
We are a family owned Builders. We take on almost anything from building extensions, to repairing leaks, just ask and if we cannot do it we will let you know.
Established property development, ex military with a strong work ethic and a keen eye detail. For all your property development needs
I have complete my bachelor degree in civil engineer
<a href="https://baileysbuildingcontractors.co.uk/">Baileys Building Services</a> aims at bringing their client’s vision to life with superior craftsmanship & unparalleled service. They pride themselves on their meticulous attention to detail, a...
H&R construction and roofing has many years experience, happy to take on any type of roof works including velux window fitting and flat roofing. We also do some ground works such as patios and deckings. We have recently been building outdoor summ...
Groundworks,Bricklaying, Landscaping, Concreting, Paving, jet washing and window cleaning All aspects of general building
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.
Find Builders Near You
I have 2meter high wall that is block on my side and brick on my neighbours. Odd I know but it was built like that. I wa...
I'm comparing quotes for a loft conversion and one contractor hasn't mentioned insurance at all. What cover should I be...
Can we convert our attached garage roof into a livable space? What kind of cost are we looking at? It's a double garage...
We're just about to start getting quotes from some reputable local places, but I'm unclear on whether we need an archite...
Would converting the garage bump up my home’s value?
We’ve been told the house was underpinned years ago, but I’ve no idea what sort of guarantee normally comes with that or...
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