Are you looking to improve your home?

We Create Bigger Beautiful Spaces Through Building Services in Llanelli

House extensions in Llanelli enable you to make the most of the unused space you already have in your home.

house extensions
building house extensions in llanelli for 30 years

Berrell Building Contractors Ltd

At Berrell Building Contractors Ltd , we have decades of experience as reliable, passionate builders in Llanelli. We will undertake any construction project in Llanelli, and nothing is too small or too complicated for us. Be it renovations, woodwork, bathroom and kitchen fitting, extensions and conversions, plumbing or joinery, we are here to build your perfect home using the latest designs, highest quality materials and all of our expertise!

We distinguish ourselves in the marketplace due to our highly-qualified, supportive team; our Llanelli builders possess extensive expertise across myriad aspects of building and construction. We take pride in our abilities to undertake any building project in Llanelli, no matter the scope. 

Our work

Concept to Completion

We like stressing the design side of our work, but it’s equally important to recognise the skill and quality of our building section. Naturally, one of the things homeowners worry about when contracting builders for projects such as house extensions in Llanelli is the relationship they’ll build and the professionalism with which they’ll be dealt. Be assured that whilst our pride is our work, our joy is our service.


Want to see our extension building work?

We are home extension experts if you would like to see some examples of previous house extensions in Llanelli that we have carried out, you can take a look at some of our CASE STUDIES here or we would be happy to arrange for you to talk to one of our previous customers to see a completed extension that we have carried out. Just ask and we can arrange this for you.


We are proud members of the following bodies

Why choose us

We believe we offer the best experience and end product you can get.

Leveraging advanced construction methodologies, we deliver precision, efficiency, and sustainability, cementing our reputation as industry-leading builders in Llanelli. With robust knowledge of local building regulations and codes, we ensure seamless compliance and safety throughout the execution of all our projects.

Larger Projects

For larger projects in the Llanelli area, Berrell Building Contractors Ltd can provide the complete design & build service. If you’re looking to explore options, we’re happy to meet with you to discuss your ideas & offer suggestions. We can then organise architectural drawings, planning permission & building warrants etc.

Of course, if you already have planning permission, we’d love to meet up show you our portfolio of work and explain how we could bring your plans to life. Please visit our builders page for more information on our general building work.

Home Improvements

When it comes to smaller home improvements in Llanelli, such as kitchen & bathroom design & installation (or just fitting), you can expect the same service & attention to detail.

Our portfolio of work includes stylish home extensions, loft conversions, garage conversions and property renovation (remodelling). We can also show you some beautiful kitchen installations, bathrooms, accessible bathrooms & wet rooms. Whether we are repairing a roof tile or building a new roof, the quality of our roofing work is second-to-none.

If you are making changes to any part of your home, please get in touch to see how we could help.

Arrange A Quote

1. Contact us for an initial chat
We are easy to reach. You can contact us in the office Monday – Friday. You can also reach out using WhatsApp, Instagram, Facebook or email – just look for the icon in the bottom right-hand corner.

2. Free consultation / survey
The next step would be a meeting with one of our directors. The aim is to discuss your job and, if you need it, offer any suggestions or advice. We can also show you some of our work. If you like what we have to say, we can then submit a quotation.

3. Commence work
We start on agreed date, and endeavour to ensure we finish on time. There is no requirement to pay until the work is completed to your (and our) satisfaction. On larger projects, a schedule of invoicing will be agreed, prior to starting work.