House Extensions Carmarthenshire

At Castle Construction and Groundworks Ltd we feel that a recommendation says it all and when it comes to house extensions Carmarthenshire we come highly recommended! Communication is vital to the whole process from beginning to end. We pride ourselves on our ability to tune in to clients, advising them on the best way forward to create their perfect dream design. We’re proud members of the FMB & also trustmark approved for building contracts big and small, all our work is fully guaranteed as standard.

As with any extension, increasing the ground level space of your house is only going to increase the value of your home, the cost of extending within Carmarthenshire is approximately £1,000 per square meter while the average cost of buying is £3,000 – it’s clear that an extension makes a lot of sense, along with saving you the time and stress involved with moving.


house extensions carmarthenshire
house extensions carmarthenshire

We have a proven track record of completed assignments, from single storey house extensions Carmarthenshire to double storey and even full refurbishments. We provide a full custom bespoke service using our in-house architects, surveyors, structural engineers, building inspectors, builders and joiners.

Our teams work with you through every single phase of your assignment and will produce an extension you’ll be ecstatic with.

Kitchen Extensions Carmarthenshire


The kitchen, more perhaps than any other, is the most multi-purpose room in a home, used to chat, dine and captivate friends, and of course to prepare your meals! It’s also typically the space where you are most stuck for space.

Castle Construction and Groundworks Ltd can work with you to provide a solution to your need for extra room by extending your current kitchen and giving you that large, open, light filled kitchen you’ve always dreamed about having. Kitchen extensions Carmarthenshire are a widely used way of improving the ground level living area of your property, specially in Victorian or Edwardian terraced properties, using frequently wasted or rarely used side return or garden space to create a stunning kitchen as well as increasing the value of your home for future years.
With the cost and strain of relocating, consider unlocking the potential of your house and really make it your home.

Side Extensions Carmarthenshire


Are you a growing family?? Are you wanting a new office at home? Or do you just need extra space? Side extensions Carmarthenshire can utilise ground level space that’s at the moment underused or misused, particularly in a side garden return, as a result opening up your property and accommodating the needs you have.

Castle Construction and Groundworks Ltd has extensive experience and specialises in extending properties into side returns, we design and build utilizing a variety of roof lights and windows that create light and open extensions which actually improve the appearance in your home and supply an excellent living or working space – we take pride in maximising the use of space and light.

kitchen extensions carmarthenshire

Flawless extensions to fit your existing homes exterior

Whether it’s a bigger kitchen, an additional bedroom or you are doubling the size of your home, available as either a Design, Planning and Build service or a straightforward build from your established plans. We’ll ensure your extension is built to the highest quality which fits the current external appearance, surrounding landscape and flow of your property, so it seems like it has always been there.

With expertise in traditional stone and reclaimed brick house extensions Carmarthenshire, we are extremely proud of the high quality workmanship shown in our work and can offer a variety of sustainable building materials to improve the energy efficiency of your home.