Extension Builders in Neath

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 5 (3 reviews)

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Some of our top rated extension builders in Neath

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Brick By Brick Construction
Rating: 5 out of 5
Extension Builder in Neath
I have 15 years experience in the building trade and thoroughly enjoy my work. With Brick By Brick Construction, all types of general building are undertaken, including plastering,extensions,windows,doors, conservatories & loads more.
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Latest review:
We had a garage extension and we found Craig to be very polite. He explained every aspect of the job and was quite accurate in the costing trying to keep it as much within budget as possible. Craig was very professional in every aspect from the initial consultation to the finish of the job. He was very reliable his time keeping was brilliant he also finished within the deadline.
Gareth Tomlinson
No reviews yet
Extension Builder in Neath
All carpentry work undertaken kitchen fitting pvc fitting decking plumbing and general building
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Layes Building Services
Rating: 5 out of 5
Extension Builder in Neath
I am a professional builder with over 40yrs experiance,in all aspects of the building industrie. I am a bricklayer by trade and have worked on all sorts of projects from house extensions to multi story buildings. I only use good qualified trades men when needed.
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Latest review:
Fencing- 21 Sep 2018
Alan did an excellent job and would Recommend him to others
Knock on wood Swansea
Rating: 5 out of 5
Extension Builder in Neath
Small family run business. Have close to 20 years of experience in building industry. Specialise in custom builds and custom carpentry work like staircases, kitchens and built in wardrobes built from scratch. Our building journey had started in London where quality really matters and a high end finish is always expected. We want to deliver that same high standard in south wales and build our reputation based on quality of work. At beginning of 2019 as our property portfolio grew and have also seen an opportunity to offer our services and knowledge locally in Swansea and surrounding towns. We offer services from design to executing the project and getting it over the finish line.
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Latest review:
Extensions- 7 Jul 2025
Build in process at present . Chose as well priced with detailed quote for each part of build , found them conscientious, excellent sticking to timescale and engaged well with building process and any updates ensuring we are happy with build . Kept drive covered to protect resin and considerate to neighbours whilst work is being carried out . Already discussing future projects as standard of work excellent and reliability of having good builder . Would highly recommend for all building work Sian and Anthony Davies
JTB Building & Plastering Contractors LTD
No reviews yet
Extension Builder in Neath
With two decades of experience, I specialize in high-quality internal and external finishes, including plastering, skimming, and external rendering (machine rendering available). My expertise extends beyond plastering to stud walling, internal carpentry, and full project management, coordinating with other skilled professionals to ensure a seamless job from start to finish. Committed to precision, efficiency, and top-tier craftsmanship—whether it’s a small renovation or a large-scale project, I deliver outstanding results every time. Get in touch for expert service you can trust!
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LL Carpentry
Rating: 4.7 out of 5
Extension Builder in Neath
LL Carpentry is founded by Lewys Underdown and Liam Davies, two fully qualified carpenters with over 20 years of combined experience in the trade. Specialists in 1st and 2nd fix carpentry, we also offer a wide range of services, from loft conversions, decking and roofing to bespoke kitchen-fitting. We are punctual, disciplined, and committed tradesmen who take great pride in our work. We never compromise on our high standards.
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Latest review:
Carpentry- 18 Jan 2023
I cannot criticise 3 of 4 parts of the job. The blockwork , girders and roof timbering were all satisfactory. However, the roof cover is dreadful with many faults and compounded by immense condensation with the advent of the colder weather. The space covered is of no use . Therefore, Avoid++
Maintenance Studio
Rating: 4.7 out of 5
Extension Builder in Neath
Not your usual construction company: I’m a crafter and visual artist educated in interior design and architecture with a passion in creating beautiful spaces. I like to work myself on smaller projects such as bespoke furniture, small renovations and quality decorations but for bigger projects I can manage a team of traders and craftmans to offer premium property maintenance services, domestic and commercial renovations, loft and extensions, outbuildings etc. Unusual and creative projects all welcome. I have a long experience in bespoke garden buildings of exceptional quality, luxury feeling and stylish design. I design and build your dream!
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Latest review:
Carpentry- 15 Jan 2019
The standard of work was abysmal. The photos in the photo gallery must have been taken from someone else's site. Catalogue of errors. Where do I start. - Failed to follow the instructions on boarding the ceiling, instead boxing off part of the room. - Much of the insulation was removed, - The boards were not properly screwed down, leaving unlevelled floor board, with dips and rises in the floor. - Both the flooring and ceiling boards had gaps, which were filled with foam. - The work caused cracks in the ceiling below. - The original fitted loft door was cut. This was cut short. Then repaired by putting another piece of wood on top. The loft door is now two pieces of board stuck together, which is unsightly to look at. -Since the "job" was done the loft door does not stay closed, as the lock was not properly fitted probably due to the loft door not fitting. -The ladder is flimsy, the cheapest on the market. As the loft is high I have been told that the ladder is inadequate. I requested the receipt to return it. The receipt was sent to me after the 30 days that the ladder was purchased. The shop were it was brought refused to take it back as it was outside the refund period. The flooring is so bad it has to be boarded over, which is an additional cost. The plasterer had to screw down boards before he could start plastering.
Building & Maintenance
Rating: 4.6 out of 5
Extension Builder in Neath
A small company with many years of building experience, offering a high standard of work at reasonable rates.
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Latest review:
Extensions- 2 Feb 2019
Andy took us through the whole process, design, working with planning departments, to the finished building, the plans changed a few times for various reasons but Andy was always able to adapt and accommodate. We are happy with the finished building and other jobs Andy did for us. We would recommend him to others.
active groundwork services
Rating: 4.5 out of 5
Extension Builder in Neath
my business is based on trust and design of the project undertaken that the customers are not only happy with the results. but promote myself also on the after care of the project . I mainly contract on landscaping ‘extensions ‘ porcelain and sandstone patios ‘but also specialise in driveways ,resin ,tarmac etc.. Thank you for taking time to view my profile…….regards Jamie
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Latest review:
Landscaping- 19 Apr 2019
For many years I have had problems with the grass quality in the back garden with weeds and moss. This year I decided to have a patio and artificial grass laid to overcome my frustrations. Jamie from active groundwork services came to view the task I had initially thought of, with his experience in this type of garden work he suggested I go a little further and designed a plan to rejuvenate the area. What a complete difference and impact his idea had on the project, the end product was totally amazing. Jamie's quality of workmanship and finishing is of a very high standard, he goes out of his way to provide advice and suggestions throughout all stages of the work, and had a very helpful understanding attitude, this coupled with a competitive price, I would highly recommend Jamie to anyone, to a point that I would not consider any other firm before consulting him. There are a few other little issues/jobs I have in the front and side of the house which Jamie is kindly going to address in the near future. Thank you.
Matthew & son building ltd
Rating: 5 out of 5
Extension Builder in Neath
Matthew & son building ltd is a all round building company, the work that we do is all aspects of building, plastering, roofing, fencing, we are a family run business, hard working and customer friendly.
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Latest review:
Matt was very professional, reliable and tidy. He kept me informed every step of the way. Turned up on time, if he was delayed at the builders merchant, I received a quick call to let me know. I originally asked Matt to complete some plastering in my spare room which also needed the ceiling to be removed. Although it was a messy and dusty job, at the end of every day, Matt would tidy up and ended up doing a fantastic job. I was very impressioned by his work that I also asked him to complete hallway, stairs and landing. Again an excellent job completed and I would recommend him in a flash. 10/10 Matt, thank you
K2 Contracts
Rating: 4.9 out of 5
Extension Builder in Neath
High quality design and build from planning to completion Project management service Bespoke architectural design Considerate construction methods Large contracts undertaken . All internal/ external plastering and alterations Lime plastering internal external
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Latest review:
Bricklaying- 31 Oct 2025
Came out next day to view and price the job. Very knowledgeable and explained everything in detail about the job. Completed in a week and excellent job done, no mess all cleared away. Will certainly be using k2 contracts again and have already recommended to friends and family.
K&A Construction
No reviews yet
Extension Builder in Neath
We are a team of sole traders who undertake a wide variety of work which includes all masonry and all carpentry. We are three master masons of which with nearly 90 years experience between us And a master carpenter and a young carpenter. Between us we have completed a wide array of projects all over South Wales and England over the years. As masonry and carpentry specialists we specialise in all brick block and stone work and all woodwork and ironmongery.
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Blue kite builders
Rating: 5 out of 5
Extension Builder in Neath
Blue kite builders undertake all building services from new builds to complete renovations and everything in between. With over 35 years experience combined we can make your dream home turn into reality
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Latest review:
Bricklaying- 5 Dec 2021
Brilliant job done by Scott for us over the weekend highly recommend will definitely be using him again for more projects we need doing. Well done 👏
Griffiths Carpentry & Joinery
Rating: 1 out of 5
Extension Builder in Neath
Construction company based in Swansea, who specialise in Bespoke Carpentry, Extensions and Kitchens throughout South Wales.
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Latest review:
Carpentry- 16 May 2016
Obtained 3 quotes and selected Nathan after he visited the site and reviewed work and had conversation. Waited 2 weeks for him to become available and on first day contacted me to say he was pulling off the job. Apparently the door frames of this 1920's house required him to do much remedial work to get them square - primarily Nathan blàmed the plasterer who had overboarded the walls. Walls were passed for payment by two separate surveyors with over 80 years experience of the contruction industry. While it is accepted there were remedial efforts to make the frames square, this is to be expected on a house of this age - and perhaps this is where Nathan lacks experience. If Nathan had wanted to outline additional work and additional money this was open to negotiation - the most unprofessional thing is to turn up on the day of work starting and say you don't have time to do any additional work - especially as the job had been viewed before the work commenced. Didn't want to damage his reputation by providing "sub-standard work", but seemingly oblivious to the reputational damage of letting a customer down at the last minute. I have my doubts as to whether Nathan has the skills to work on houses of this age.
Barness Building Services LTD
No reviews yet
Extension Builder in Neath
Hi I’m Gareth, company director of Barness building services Ltd. Experienced Builder with over 20 years experience. Top quality work with over 20 5 star ratings on rated people. We take on extensions from start to finish and also jobs as little as garden walls or a patio. Fully insured company. Facebook and instagram pages
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Westy Brickwork limited
No reviews yet
Extension Builder in Neath
Experienced bricklayer with 17+ years in the construction industry, specialising in new builds, extentions, garages, garden walls, retaining walls, Stonework, Patios, and any other general building work.. Happy to offer free advice to any of my customers about the build! Recent projects: Edenstone development Lisvane Cardiff Beaufort Park is an exclusive development of just 23 exceptional luxury four- and five-bedroom detached homes. (as seen in pics) Gilfach Goch Fire Station Extension on Gilfach Goch Fire Station for 2D construction (as seen in pics) Glenboi School mountain Ash Classroom outbuilding for Glenboi school New to my builder but not new to the building game! Don't hesitate to contact me.. Please find me on Instagram.. Westy brickwork
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Top rated Extension Builders

Our Extension Builders in Neath, are rated 5 out of 5 based on 3 reviews from customers like you.

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

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 Neath 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 Neath who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Neath?

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

Find extension builders in Neath with MyBuilder

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

Step 2: Compare different extension builders in Neath

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

Step 3: Hire Neath extension builders with confidence

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

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

What to ask a Neath extension builder before hiring?

Before hiring an extension builder in Neath or extension building company in Neath, 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 Neath?

An extension builder in Neath 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 Neath 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 Neath?

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 Neath 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 Neath 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 Neath

Can an extension builder in Neath help with planning permission?

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

Many Neath 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 Neath help with materials and finishes?

Yes, most extension builders in Neath 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.