Home Extensions

Expert Home Extensions Built to Last

Harcol Ltd are trusted builders with over 30 years of experience delivering high-quality home extensions. We design and construct extensions that enhance living space, improve functionality, and increase property value, all while maintaining the character and integrity of your home.

Our skilled team manage every stage, from initial consultation and structural alterations to finishing touches and interior fit-outs. Whether you’re creating a larger kitchen, an open-plan family area, or an additional bedroom, Harcol Ltd ensure each project is delivered on time, on budget, and to exceptional standards. Every extension is built to last, combining craftsmanship, precision, and practical design for long-term comfort and value.

Trusted Builders for Home Extensions

Our team have over 30 years of experience in the construction industry. We understand the importance of precision and planning in every home extension. Whether you’re adding a new kitchen, dining area, or extra bedroom, Harcol Ltd ensure all building work is completed safely, efficiently, and to regulation standards.


Tailored Design and Construction

Each project begins with a detailed consultation to understand your goals and space requirements. Our design-led approach means we create extensions that complement your property’s existing structure and style. From initial groundwork to structural alterations, we handle every aspect with clear communication and reliable workmanship.

Types of Home Extensions

We provide all forms of home extensions, covering both modern and traditional homes. Options include:

  • Single-storey and double-storey extensions
  • Side and rear extensions
  • Kitchen and dining room extensions
  • Garage conversions and link extensions

Each option is built to suit your lifestyle and maximise your home’s potential.

Additional Services

Beyond extensions, Harcol Ltd also offer:

  • Home Renovations and Property Refurbishment
  • New Build Construction
  • Groundworks and Structural Alterations
  • Kitchen Refurbishments

This all-in-one service ensures every aspect of your project is handled by a single, trusted team.

Quality Building Work from Start to Finish

Our dedicated team coordinate every stage of construction, including groundworks, structural alterations, roofing, and finishing. By managing the full process, Harcol Ltd maintain consistent quality and clear timelines. We use trusted materials and proven methods to ensure the finished result stands the test of time.


Enhancing Your Property’s Value

A professionally built home extension not only adds space but also increases your property’s value and appeal. Whether it’s for resale or long-term comfort, our extensions provide practical, durable solutions that make your home work better for you.

Working Across Kent and Sussex

Harcol Ltd proudly serve clients in Sevenoaks, Tonbridge, Tunbridge Wells, Crowborough, Oxted, and Maidstone. We have built a reputation as reliable builders for home renovations, property refurbishments, and new builds, delivering consistent results across both towns and rural areas.

For expert builders specialising in home extensions, renovations, and new builds, contact Harcol Ltd today, we’ll bring your vision to life.