Extension Builders in Merthyr Tydfil

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

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Some of our top rated extension builders in Merthyr Tydfil

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2d construction
Rating: 5 out of 5
Extension Builder in Merthyr Tydfil
We are a professional building contractor based in South wales. We consist of a partnership and cover a range of trades between us. We are also in the liquid screed industry and offer underfloor heating and screed packages. We have 40 years combined experience and are known for the quality of our work and our friendly service. We also supply, pump and lay concrete! All in house. Get in touch for a free no obligation quotation today.
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Latest review:
Extensions- 23 Dec 2019
Thank you for all your hard work getting the job done as promised before xmas. Nothing was too much trouble for you and your team. We would highly recommend you to any of your future clients See you soon for further projects 👍
J.Evans Building and Plastering
No reviews yet
Extension Builder in Merthyr Tydfil
Experienced builder, we can see out all jobs from start to finish so less stress on the client to find other trades. Our work ranges from simply plastering to full house renovations, extensions and full kitchen renovations.
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Jc brickwork
No reviews yet
Extension Builder in Merthyr Tydfil
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
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C & K Groundworks Rhymney Ltd
No reviews yet
Extension Builder in Merthyr Tydfil
C&K Groundworks are a labour only company. We hold a wide range of certified skills and we are now fully accredited by CHAS and Safe Contractors. The list of what we mainly undertake is as below, but we cover most aspects of labour. Gardens Driveways Roofing Foundations Retaining Walls Drainage Block Paving Rendering/Plastering Kerb Laying Fencing We also have a wide range of our own machines which we can hire out with a driver 3 & 8 Tonne excavators 3 Tonne dumper.
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Edge carpentry and construction ltd
Rating: 5 out of 5
Extension Builder in Merthyr Tydfil
We have been in the building trade for over 30 years and provide quality tradesmen for all your building needs from small garden walls to complete house building projects extension renovations and conversions
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Latest review:
Extensions- 27 Mar 2025
Really pleased with my single storey extension. It's been up 5 months now and no problems. Dean is a great guy to work with and I felt comfortable with him and his team when home alone with small kids. Would use him again and I would recommend him.
anthony evans
Rating: 5 out of 5
Extension Builder in Merthyr Tydfil
My name is Anthony, I have been in the building trade for 25 years, self employed for 15 of those. I am friendly, professional and 100% dedicated to my work/customers. I have built up an excellent reputation for my quality of work, respecting my customers wishes and offering advice where I can in order to create their ultimate goal.
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Latest review:
Extensions- 2 Sep 2020
I can highly recommend Anthony & Dean of Edge Construction they built a two story extension for us that we are very pleased with. Quality of work and commitment displayed was excellent they provided a realistic quote which was the final cost apart from extra work we requested. Total all round positive service . Gareth Jones
Bird’s carpentry & renovations
No reviews yet
Extension Builder in Merthyr Tydfil
Bird's Carpentry & Renovations offer a professional & high quality service. I am able to undertake all aspects of carpentry & building work, no job is too big or small. I have over 13 years of experience in the trade and can guarantee a high standard of work. I also offer bespoke wardrobes, media walls, feature walls & under stairs storage solutions. I am fully insured for all work carried out.
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Home fix builders ltd
Rating: 4.8 out of 5
Extension Builder in Merthyr Tydfil
I've been in the building industry for 40 years .i undertake domestic and commercial projects ,small and large contracts from extensions to new builds Olso refurbishments.and complete bathroom and kitchen installation .I have a good customer portfolio . And now looking for new to expand my customer base.
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Latest review:
Conversions - General- 6 May 2018
Hardworking. Reliable. Tidy. Meticulous. Will definitely be considering for future jobs.
Scott Taylor
Rating: 5 out of 5
Extension Builder in Merthyr Tydfil
Hi, I am a self-employed carpenter with 10+ years of experience in my trade. i offer a friendly, polite and reliable service with a good attention to detail. My aim is to meet the needs of the job, leaving you the customer with an excellent standard of finish. Thank you.
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Latest review:
Joinery & Cabinet Making- 16 Jan 2026
Fantastic job. Very courteous, prompt and very professional. Would definitely use Scott again
Valley's Lofts
No reviews yet
Extension Builder in Merthyr Tydfil
We have been doing loft conversions for over 16 years now and mainly been working around the Cardiff and Bristol area but this year we are starting a company down West Wales. We have a full design and Technical Team working with us, so we can sort everything from planning to painting
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JB Brickwork and Construction
No reviews yet
Extension Builder in Merthyr Tydfil
bricklayer by trade who takes pride in work , ensuring attention to detail on every project and leave area clean and tidy . Also can offer repointing services , Lay slabs , Coping stones and some ground works . Also fencing .
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D J E Solutions
No reviews yet
Extension Builder in Merthyr Tydfil
Ground works, brick and blockwork, garden patios, landscaping.
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PJ Carpentry services
No reviews yet
Extension Builder in Merthyr Tydfil
I am fully qualified carpenter with nearly 20 years of experience. I cover all aspects of carpentry and building works.
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Anthony
New on MyBuilder
Extension Builder in Merthyr Tydfil
Hi I am Buider I have been doing this job for 42 years now and I do every job to the best I can do plus I am here to help in anyway to sort out any problems you have
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Ingram plant and groundworks Ltd
No reviews yet
Extension Builder in Merthyr Tydfil
At Ingram plant and Groundworks Ltd we carry out Digs and muck away for Footings, Driveways, Landscaping projects.
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Plastermind
Rating: 5 out of 5
Extension Builder in Merthyr Tydfil
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
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Latest review:
Plastering- 10 Feb 2026
Jay was great. Great communication, work, job, reliable, clean and friendly. Thanks mate

Top rated Extension Builders

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

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

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 Merthyr Tydfil 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 Merthyr Tydfil who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Merthyr Tydfil?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Merthyr Tydfil 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 Merthyr Tydfil extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Merthyr Tydfil home extension project is likely to cost.

Find extension builders in Merthyr Tydfil with MyBuilder

Hiring the right extension builder in Merthyr Tydfil 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 Merthyr Tydfil extension builders. Once your job is live, we’ll share it with home extension builders in Merthyr Tydfil who can express their interest.

Step 2: Compare different extension builders in Merthyr Tydfil

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

Step 3: Hire Merthyr Tydfil extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Merthyr Tydfil, 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.

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

What to ask a Merthyr Tydfil extension builder before hiring?

Before hiring an extension builder in Merthyr Tydfil or extension building company in Merthyr Tydfil, 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 Merthyr Tydfil?

An extension builder in Merthyr Tydfil 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 Merthyr Tydfil 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 Merthyr Tydfil?

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 Merthyr Tydfil 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 Merthyr Tydfil 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 Merthyr Tydfil

Can an extension builder in Merthyr Tydfil help with planning permission?

Yes, many extension builders in Merthyr Tydfil 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 Merthyr Tydfil handle everything from design to construction?

Many Merthyr Tydfil 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 Merthyr Tydfil help with materials and finishes?

Yes, most extension builders in Merthyr Tydfil 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.