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Luxury house refurbishment specialists

Serving clients across Hertfordshire and the UK, our house refurbishment specialists will transform your property into your dream home. Providing only the finest of materials, time-served craftsmen and a truly turnkey service, your house refurbishment is in the safest of hands with Castle Oak.

Our house refurbishment services

When you choose Castle Oak to refurbish your property, you’ll experience a seamless service with the pinnacle of quality delivered at every stage – no exceptions. From extending your existing footprint, to modernising your property interiors, we take care of everything, from inception to completion.

Luxury refurbishments

There’s nothing standard about our refurbishment services. Every project we undertake is honed to perfection, with no challenge or requirement beyond our skills – however indulgent or unique.

From foundations to final finishes

Whatever the scope of your house refurbishment, our family-run business will manage every single stage for complete consistency, from civil engineering and groundworks, to the final flourishes.

Certified refurbishment specialists

Our house refurbishment experts are CSCS certified and we’re also NHBC registered too, giving you the confidence that we understand and adhere to professional standards in all of our work.

Exquisite outcomes guaranteed

Homeowners choose us for our reputation for excellence. We can source any specialist materials your desire, and our attention to detail is second-to-none – as our case studies demonstrate.

    What does your dream house extension look like?


    Our driving force is a focus on creating homes of distinction – spaces designed and created to improve your lifestyle, ensure your comfort and deliver luxury at every turn, whatever your vision…


    Whether you’re looking for an extensive refurbishment or a more minimal approach, our building experts and supporting team provide the same energy, enthusiasm and expertise to every project.
      We appreciate that undergoing a house refurbishment can feel a little daunting, but with our team on your side, you can relax knowing that you have comprehensive support whatever your criteria:


      Whether your style is low-key or luxury, our house refurbishment services will add value to your property and your day-to-day life, exceeding your expectations and bringing you happiness for years to come.

      Specialist support you can trust