Builders
Carpenters
Electricians
Flooring Specialists
Gardeners
Handymen
Heating Engineers
Painters & Decorators
Plasterers & Renderers
Plumbers
Roofers
Tilers
my
How it works
Ask a trade
Cost guides
Categories
Find an Extension Builder in Blaenau Gwent
Find a local extension builder near you. We have 1,175 trusted and reviewed extension builders in Blaenau Gwent to choose from, based on 971 reviews.
POST YOUR JOB
Tell us about the work you need doing around your home.
RECEIVE UP TO 3 QUOTES
Up to 3 Extension Builders in Blaenau Gwent will then be in touch to quote for the work.
CHOOSE YOUR EXTENSION BUILDER
Compare quotes then choose your preferred Blaenau Gwent Extension Builder.
Extension Builders in Blaenau Gwent
Filter by:
- Within 60 minutes
- Within 45 minutes
- Within 30 minutes
- Within 20 minutes
- Within 10 minutes
- Any rating
- 5 star rating
- 4 star rating
- 3 star rating
Sort by:
- Recommended
- Closest
- Most reviews
- Highest rating
Supply 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.
Latest Glazing - Double / Single Review
"Brilliant fitter. Good quality windows"
Reviewed by Clai on 21st Jan 2026Based in NP23 6AB,
Ebbw Vale
Extension Builder covering Blaenau Gwent
Member since Dec 2023
ID Checked
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 Blaenau Gwent
Member since Dec 2025
Public liability insurance
Insulationize 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...
Latest Internal Rendering Review
"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 2025Based in NP22 3SE,
Nantybwch
Extension Builder covering Blaenau Gwent
Member since Aug 2021
ID Checked
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 Blaenau Gwent
Member since Jan 2020
ID Checked
I 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
Latest Builder Review
"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 2025Based in NP23 4DA,
Brynmawr
Extension Builder covering Blaenau Gwent
Member since Jul 2024
ID Checked
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.
Based in NP23 6HS,
Ebbw Vale
Extension Builder covering Blaenau Gwent
Member since Jul 2022
Established property development, ex military with a strong work ethic and a keen eye detail. For all your property development needs
Based in NP23 6HY,
Ebbw Vale
Extension Builder covering Blaenau Gwent
Member since Sep 2024
I have complete my bachelor degree in civil engineer
Based in NP23 4AJ,
Brynmawr
Extension Builder covering Blaenau Gwent
Member since Feb 2024
<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...
Based in NP23 7RU,
Cwm
Extension Builder covering Blaenau Gwent
Member since Mar 2025
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...
Based in NP22 3TL,
Cefn Golau
Extension Builder covering Blaenau Gwent
Member since Jul 2024
ID Checked
Groundworks,Bricklaying, Landscaping, Concreting, Paving, jet washing and window cleaning All aspects of general building
Based in NP22 3BP,
Nantybwch
Extension Builder covering Blaenau Gwent
Member since Sep 2025
ID Checked
Here at GoToBuilders we pride ourselves on our work. All our workmanship is finished to the highest quality, only using the best quality materials out there. We have the customers interest and ideas at the centre of our projects. All our employees ar...
Based in NP13 3AB,
Blaina
Extension Builder covering Blaenau Gwent
Member since Feb 2021
ID Checked
Hi I’m a builder for about 16 years now all aspects of home renovations undertaken from full home restoration to fitting kitchens bathrooms hanging doors and so on
Based in NP22 4LU,
Tredegar
Extension Builder covering Blaenau Gwent
Member since Jan 2026
Family run business from Ebbw Vale with over 20 years experience in all aspects of groundwork
Based in NP23 6LZ,
Ebbw Vale
Extension Builder covering Blaenau Gwent
Member since Jan 2024
We're a gang of experienced builders, with many of years experience between us. We specialise in extensions, groundwork,brick laying, internal knock out and lintel work. We have a vast portfolio of jobs under our belt, both internal and external...
Based in NP22 4PP,
Tredegar
Extension Builder covering Blaenau Gwent
Member since Dec 2024
ID Checked
At Skilled Craftsmen Ltd we provide a touch of class. With years of experience in all the trades there not much we don't sign up too! We cover bricklaying, plastering, joinery, Bespoke furniture, painting, wallpapering, property maintenance, plumbing...
Latest Flat Pack Furniture Assembly Review
"He was absolutely brilliant! Worked till the job was done. On day 1 he worked for a non stop of 10 hours. Wardrobes were built to perfection. Highly recommend and would have back for any over work"
Reviewed by Billy on 13th Apr 2026Based in NP8 1EP,
Crickhowell
Extension Builder covering Blaenau Gwent
Member since Dec 2022
ID Checked
With 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...
Latest Internal Renovation / Reconfiguration Review
"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 2026Based in CF64 1HF,
Penarth
Extension Builder covering Blaenau Gwent
Member since Mar 2026
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 Internal Renovation / Reconfiguration Review
"Efficient and friendly. Good value. He offered good advice and was very knowledgeable."
Reviewed by Phil on 24th Mar 2026Based in NP19 9BY,
Newport
Extension Builder covering Blaenau Gwent
Member since Dec 2025
ID Checked
we 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...
Latest Stud Wall Review
"Excellent job will use him again"
Reviewed by Caroline on 20th Mar 2026Based in SA6 5EZ,
Clydach
Extension Builder covering Blaenau Gwent
Member since Jan 2026
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 Blaenau Gwent
Member since Apr 2017
ID Checked
TOWNS NEAR BLAENAU GWENT
- Extension Builders in Brynmawr
- Extension Builders in Nantyglo
- Extension Builders in Tredegar
- Extension Builders in Blaina
- Extension Builders in Rhymney
- Extension Builders in Abertysswg
- Extension Builders in Pontlottyn
- Extension Builders in New Tredegar
- Extension Builders in Fochriw
- Extension Builders in Blaenavon
- Extension Builders in Markham
- Extension Builders in Llangynidr
- Extension Builders in Deri
- Extension Builders in Govilon
- Extension Builders in Cwmavon
- Extension Builders in Abersychan
- Extension Builders in Bedlinog
- Extension Builders in Llanfoist
- Extension Builders in Aberfan
- Extension Builders in Treharris
Other trades
- Builders
- Chimney Builders
- Door Fitters
- Electricians
- Extension Builders
- Fascias Specialists
- Flat Pack Assemblers
- Flat Roofers
- Garage Convertors
- Garden Clearance Specialists
- Garden Maintainers
- Garden Shed Builders
- Gardeners
- Guttering Specialists
- Handymen
- Hard Landscapers
- Internal Renovators
- Joiners
- Lawn Turfers
- Outbuilding Construction Specialists
- Painters & Decorators
- Pebble Dashers
- Plasterers
- Plumbers
- Porch Builders
- Roofers
- Shower Specialists
- Staircase Specialists
- Tilers
- Underpinning Specialists
- Wooden Decking Installers
- Wooden Fence Specialists
See more trades
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.
Find Extension Builders Near You
Trusted Extension Builders in other locations
- Extension Builders in Abercarn
- Extension Builders in Abercynon
- Extension Builders in Aberdare
- Extension Builders in Avening
- Extension Builders in Axbridge
- Extension Builders in Backwell
- Extension Builders in Banwell
- Extension Builders in Bath
- Extension Builders in Beddau
- Extension Builders in Bishop Sutton
- Extension Builders in Bishop's Cleeve
- Extension Builders in Blaengwrach
- Extension Builders in Blaengwynfi
- Extension Builders in Blagdon
- Extension Builders in Bream
Recently posted Extension Builders jobs
Join over 1,000,000 happy homeowners who have posted their job on MyJobQuote.
Are you a trade? Become a member and get access to local jobs today!
See demand near you
Recent Extension Builder Articles
Over 1 million homeowners and over 50,000 tradespeople
use MyJobQuote nationwide each year