Carmarthenshire Building Contractor

Need a Carmarthenshire building contractor for your upcoming construction project?

Castle Construction and Groundworks Ltd appreciates when your home is just not big enough for your needs it can make more sense to create extra space with a house extension or conversion rather than to move home which usually means a much bigger financial investment.

Whatever your Carmarthenshire home needs further space for, whether you wish to extend your living room, dining area or kitchen area, convert your garage into a home gym or a home office or even add a new bedroom upstairs with a 2 storey home extension or loft conversion, Castle Construction and Groundworks Ltd has the experienced craftsmen and 40 years combined experience to do the job to the highest standards.

carmarthenshire building contractor

Our extensive range of professional building services includes development of design ideas, building plans, Planning Permission and Building Approval applications to all construction, extension, conversion and installation building work.


  • House Extensions
  • Loft Conversions
  • Garage Conversions
  • Conservatories
  • Garden Rooms & Orangeries
  • Groundworks, Driveways & Paving
  • Property Refurbishment
  • Project Management
  • Self Build
  • New builds
  • Bathrooms & Kitchens
  • General building
  • Minor repairs
  • Commercial
House Extensions Carmarthenshire


Carmarthenshire building contractorIn today’s property market many more people are looking at extending as an alternative to moving home. An extension can make a significant difference to your property, a single storey extension might create a more workable kitchen space or allow a kitchen diner so the family can sit down for dinners, a play room, home office or just a bit more space in the living room as the family grow. A double storey extension could give you extra bedrooms, en suites or an added bathroom. Many homes also have Permitted Development rights consequently enabling you to extend, even if your neighbours object, so long as you follow certain criteria. Irrespective of the size of your project Castle Construction and Groundworks Ltd are a long established Carmarthenshire building contractor and will work with you to achieve the very best result.


Loft Conversions Carmarthenshire

Loft conversions Carmarthenshire are a very popular way to increase space in your home, developing space for additional rooms including bedrooms, a study, a play room or simply a larger storage area. Many loft conversions don’t require planning permission since they fall inside of your development rights. However the scale and design of your planned Loft conversion will effect whether planning permission is necessary and to what extent building regulations apply.

Garage Conversions Carmarthenshire

Just outside your front door rests the garage. Only it needn’t be a garage. It could be a games room. Or a utility room. It can be a home office that allows you to work at home without being interrupted. Or perhaps, in the instance that you’re garage is already built into your home or adjoins it, it could be an extended front room, a striking kitchen or an extra bedroom.

If you feel your garage could be put to better use, then our skilled team are experts to call upon for garage conversions Carmarthenshire. We can guide you through everything, making certain that you get the extra living space your family needs.

House Refurbishments Carmarthenshire

Our house refurbishment services cover anything from designs, blueprints and planning applications right through to the conclusion of any work. Maybe you only need a new bathroom or kitchen, or perhaps you want the ground floor of your property to be open plan? Whatever you need you’re local Carmarthenshire building contractor can manage the job from beginning to end.

You can take a look at some of our past projects in order to get an idea of some of the work we’ve finished.

New Builds Carmarthenshire

Castle Construction and Groundworks Ltd has the necessary resources and know how to take on new build houses, flats, housing developments and commercial projects, large or small. We pride ourselves on the workmanship of our highly skilled tradespeople regardless of the type or style of new build project, from a traditional to contemporary design, we can cater to your ideas and turn your dreams into reality. All our work complies with current building regulations and we only use the highest quality materials and building supplies within your new build budget.


Be assured that our core values of safety, quality, delivery and value shine through all aspects of our business. As a professional Carmarthenshire building contractor, we won’t disappoint you!

 Contact Castle Construction and Groundworks Ltd

carmarthenshire building contractorCastle Construction and Groundworks Ltd understands that finding a Carmarthenshire building contractor can be a challenging business but we offer several promises. They include competitive and accurate quotations; considerate and respectful staff; guaranteed start dates; realistic completion dates and a high standard of workmanship carried out by proficient tradesmen. We strive to be honest and open with all of our customers and won’t surprise you with any hidden costs, when quoting on projects.

If you would like to find out more about Castle Construction and Groundworks Ltd services, have a question or want us to visit you to look at the project requirements, please contact us here . We’ll be glad to hear from you and happy to help.