Extension builders in Tredegar

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 5 (2 reviews)

Easily find verified Tredegar Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in Tredegar.

Select a service

How it works

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated extension builders in Tredegar

313 Results

Sort by:

BD Building and Landscaping
Rating: 5 out of 5
Extension Builder in Tredegar
Hello! My name is Ben, I am a bricklayer with nearly 20 years of experience. I have recently decided to start my own building/landscaping business after working for numerous building companies, and picking up many different skills over the years. I do all aspects of brick/blockwork, patios, general landscaping, fencing etc.
Get in touch
Latest review:
Bricklaying- 25 Apr 2026
Ben did a fantastic job, working through a thunderstorm to complete it on time. He was punctual, tidy, polite and the quality of the job was excellent. Would happily recommend him to others.
Cosy construction
Rating: 5 out of 5
Extension Builder in Tredegar
Hi all I've got 30 years experience in the building industry.im a bricklayer by trade.i cover resin drives,patios,extentions,fencing,house renovations, painting,what ever comes my way
Get in touch
Latest review:
Driveways (Tarmac Surface)- 12 Jan 2026
Excellent work, they done a amazing job on drive way couldn't be happier, the whole team were great I'd highly recommend using them.
CFL (Chep) Ltd
Rating: 5 out of 5
Extension Builder in Tredegar
I run a local building company and undertake all types of building work. I specialise in timber frame construction and we are a small, friendly business with a team of employees and established sub-contractors. We work in and around Chepstow and Newport. We have been established for many years and have completed a number of projects locally.
Get in touch
Latest review:
Extensions- 29 Jul 2019
Gareth did a great job on our extension. Right from the start when he provided the quote to the snagging list, Gareth was proactive, organised and easy to deal with. Would highly recommend! Thanks
Jc brickwork
No reviews yet
Extension Builder in Tredegar
Jordan and celfyn, a Father and son business working together for over 12 years. Jordan and his bricklaying partner also jordan have over 20 + years of experience building on both commercial and domestic building sites, we cover all aspects of brick and blockwork also including stone work and repointing jobs. Celfyn is a qualified tree surgeon Amoung many other trades. He has many years of experience in all aspects of hard + soft landscaping Including fencing and decking Qualified 360 plant operator dumper driver. nptc Qualified woodchiper. operator pa1 and pa1w weedkilling pesticides.removal of sharps. Ilm level 3 management
Get in touch
Andrew Richley Carpentry
Rating: 5 out of 5
Extension Builder in Tredegar
I am an experienced Carpenter/Builder and been in the trade for over 20 years. I pride myself on being a reliable, hardworking and honest tradesman. I am meticulous and a clean worker with an aim to ensure all customers are happy and 100% satisfied. Os hoffwn, gallai cyfleu yn Gymraeg.
Get in touch
Latest review:
Kitchen Fitting- 13 May 2015
Did a great job would recommend
Hillier Construction Services
Rating: 5 out of 5
Extension Builder in Tredegar
We are a small general construction business with 20years expertise. We carry out a range of works including landscaping, extensions, Upvc windows and doors, ground work and maintenance.
Get in touch
Latest review:
Bricklaying- 1 Dec 2018
Guys turned up when they said they would and did a great job. Thanks Glyn
blakeon living spaces ltd
Rating: 5 out of 5
Extension Builder in Tredegar
we are based in South Wales we specialise in renovation works experts in loft conversions and we also have a landscaping team
Get in touch
Latest review:
Loft Conversion- 11 Jun 2026
We recently completed a loft conversion with Dean and his team at Blakeon, and I couldn't be happier with the result. The workmanship has been excellent throughout, and the new loft space has completely transformed the house while feeling fully integrated with the rest of the property. What really stood out was the communication, reliability and flexibility. As the project progressed, I refined several design decisions before they were finalised, and Dean was always patient, accommodating and willing to discuss options. The project included a number of additional complexities, all of which were handled professionally and pragmatically. I also remained living in the house throughout the build, and the team were consistently respectful, considerate and easy to work with. I would have no hesitation in recommending Dean and his team and am already discussing future projects with him.
S C J CONSTRUCTION
Rating: 4.9 out of 5
Extension Builder in Tredegar
WE ALSO HIRE OUT TOOLS AND PLANT E.G DIGGERS, DUMPERS AND TIPPERS
Get in touch
Latest review:
Extensions- 14 May 2020
Steve is without doubt one of the best builders around. He delivered excellent work and provided great advice. I will be using Steve for all future works that I have planned. He is a builder you can trust which is very difficult to find!
Watts Building Contractors Limited
Rating: 5 out of 5
Extension Builder in Tredegar
I run a well established and VAT registered Carpentry & Building business with over 15 years experience. I have an experienced qualified team of tradesmen who are more then capable of carrying out all types of building work. All of my work is completed to the highest standard and I guarantee customer satisfaction.
Get in touch
Latest review:
Extensions- 29 Jul 2017
We are so pleased to have employed Tom Watts to build an extension (approx. 15 sq metres) off our existing kitchen and dining room. This was in order to create a large family room including a new kitchen installation. The site was not without its challenges as our house is built on a slope and required a very deep foundation to be laid. The build also required 3 RSJs (in order to remove existing walls) to create a modern space for open-plan living. Tom and his team were very easy to work with communicating any changes to the schedule and proving to be very reliable. Inevitably, as with any job such as this, there were instances where a good problem-solver was needed. Tom was able to offer creative solutions which kept the job progressing. After completing the building work T.W.Carpentry & Building also installed our new kitchen and finished the new room with new skirtings and door frames. We are very satisfied with the finished project and due to the quality of the work we are very happy to recommend this builder.
Brickfitz ltd
No reviews yet
Extension Builder in Tredegar
Hi I’m Rhys the director of brickfitz Ltd based in Merthyr Tydfil, we undertake all aspects of bricklaying works not only in the local area but have travelled as far as Somerset,Gloucester and beyond. I’ve been a bricklayer for 20+ years with a wealth of knowledge in all aspects of bricklaying and Groundworks, from building houses for major house builders on site, building home extension, boundary and retaining walls, patios etc… I’m very passionate about my job and take a lot of pride in my work to achieve the best quality and to have very good results leaving customers satisfied.
Get in touch
CDH Contractors Ltd
Rating: 5 out of 5
Extension Builder in Tredegar
We are a family run business with over 40 years experience in the construction industry.
Get in touch
Latest review:
CDH Contractors have been amazing throughout our home renovation. They transformed our kitchen beautifully, giving it a fresh new look that we absolutely love. They also made a huge difference in our garden with their landscaping work, creating a space that feels inviting and well designed. The highlight has to be the garden room they built for us — it’s become our peace haven, and we now spend most weekends relaxing there. Their craftsmanship, attention to detail, and professionalism truly stand out. I would highly recommend CDH Contractors to anyone looking for high-quality work. We’ll definitely continue using them as we complete the rest of the renovations in our home.
First choice improvements
No reviews yet
Extension Builder in Tredegar
ROBEN Developments Ltd – Complete Building & Property Solutions At ROBEN Developments Ltd, we pride ourselves on delivering high-quality workmanship across every stage of property development. From internal transformations to full external renovations, we provide a comprehensive, start-to-finish service tailored to both residential and commercial clients. Our experienced and skilled team covers all aspects of building and development, including plastering, bricklaying, kitchens, tiling, painting, and general maintenance. Externally, we specialise in driveways, patios, full garden renovations, and fencing—creating spaces that are both functional and visually impressive. We also handle essential services such as plumbing and electrics, along with larger structural projects including extensions and garage conversions. What sets ROBEN Developments apart is our commitment to reliability, attention to detail, and customer satisfaction. We understand that choosing a development company is a significant decision, which is why we prioritise clear communication, transparency, and delivering results you can trust. Every project we undertake is completed with professionalism and care, ensuring your home or property is in safe hands from start to finish. Whether you’re upgrading a single room or planning a full-scale development, ROBEN Developments Ltd is your dependable partner—dedicated to turning your vision into reality with quality you can rely on. Build with confidence. Build with ROBEN Developments Ltd.
Get in touch
S&R Builders
No reviews yet
Extension Builder in Tredegar
Hi I'm a carpenter by trade and have over 38 years in the building industry,I've built houses from ground up and have built Extentions both single story and double storey,I'm proficient in all aspects of building and and have extensive knowledge of all trades and can help with the planning through to completion ... we are basically a one stop shop for all your building needs and are reliable and conscientious
Get in touch
Plastermind
Rating: 5 out of 5
Extension Builder in Tredegar
We are a construction company that is able to undertake any aspect of building work from landscaping jobs all the way up to full renovations and extensions to commercial and domestic projects. We know your home is more than just a place to live – it's somewhere you're proud of and reflects who you are. When the time comes to make changes, whether it's re-plastering a room or exterior render, adding a porch or conservatory, you'll want to work with a company that operates to the highest standards. That's why we offer a personalised service to every customer, carrying out our work to the highest quality and taking care to leave your home clean and tidy. if you want to transform your home, you can rely on us to do a great job. Every job we do is tailored to our customers
Get in touch
Latest review:
Plastering- 10 Feb 2026
Jay was great. Great communication, work, job, reliable, clean and friendly. Thanks mate
Amaya construction South Wales LTD
Rating: 5 out of 5
Extension Builder in Tredegar
We are the experts in new build home construction in South Wales. When you approach us, you’ve already made a wise choice. We are proud of our superb reputation for quality workmanship delivered on time and in budget. With a focus on quality craftsmanship, attention to detail, and exceptional customer service, we strive to exceed your expectations with every project we undertake. Contact us today to learn more about how we can help you build the home of your dreams.
Get in touch
T M BUILDERS ABERGAVENNY LTD
No reviews yet
Extension Builder in Tredegar
My main trade is brickwork, Blockwork and stonework. We do a lot of patios and garden work. We also do extensions, renovations and also new builds and much more.
Get in touch

Top rated Extension Builders

Our Extension Builders in Tredegar, are rated 5 out of 5 based on 2 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

What types of services are offered by local extension builders in Tredegar?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Tredegar for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Tredegar who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Tredegar extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Tredegar?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Tredegar will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Tredegar extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Tredegar home extension project is likely to cost.

Find extension builders in Tredegar with MyBuilder

Hiring the right extension builder in Tredegar with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Tredegar extension builders. Once your job is live, we’ll share it with home extension builders in Tredegar who can express their interest.

Step 2: Compare different extension builders in Tredegar

When you start receiving interest, review profiles of local Tredegar extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Tredegar extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Tredegar, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Tredegar extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Tredegar extension builder before hiring?

Before hiring an extension builder in Tredegar or extension building company in Tredegar, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Tredegar?

An extension builder in Tredegar should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Tredegar extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Tredegar?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Tredegar extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Tredegar extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Tredegar

Can an extension builder in Tredegar help with planning permission?

Yes, many extension builders in Tredegar can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Tredegar handle everything from design to construction?

Many Tredegar extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Tredegar help with materials and finishes?

Yes, most extension builders in Tredegar can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.