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Deerwood Construction Ltd
Home Conversions Services

Loft, Garage & Basement Conversions Across Crowborough, East Sussex & Kent


Unlock the potential of space you already own with a tailored home conversion designed around your lifestyle and property. Deerwood Construction Ltd delivers compliant, comfortable and light-filled conversions that feel like a natural extension of your home—managed by a local, family-run team with over 40 years’ combined experience in structural construction and renovation.

Whether you’re converting a loft into a spacious bedroom, transforming a garage into a functional living area, or repurposing a basement for entertainment or work, we take care of every stage—from design coordination and structural engineering to insulation, finishes and Building Control certification. Every conversion is built with precision, energy efficiency and lasting quality in mind, creating beautiful, versatile spaces that add genuine value and enhance everyday living across Crowborough, East Sussex and Kent.

Why choose Deerwood Home Conversions Services ?

Conversion Types - Our Process

Loft Conversions

Turn your unused roof space into a stunning new master suite, office or playroom with a bespoke loft conversion from Deerwood Construction Ltd. We transform underutilised attics into bright, functional spaces that enhance both your lifestyle and property value.

Our team optimises head height with expertly designed dormers or hip-to-gable alterations, ensuring a spacious and comfortable layout while maintaining the character of your home. Every conversion is structurally engineered and fully compliant, including purpose-built staircases, egress routes and fire safety measures. We install high-performance insulation, energy-efficient glazing and ventilation systems for year-round comfort and efficiency.

From initial design and feasibility through to plastering, electrics and finishing touches, we provide a complete service that delivers a premium result with minimal disruption—trusted by homeowners across Crowborough, East Sussex and Kent.

Loft Conversions Services:

Loft conversion dormer window by Deerwood Construction in Crowborough East Sussex featuring tiled roof and white cladding.

Garage Conversions

Convert your underused garage into a warm, practical and beautifully finished living space that adds real value to your home. Whether you need a guest suite, home office, studio, playroom or gym, Deerwood Construction Ltd provides a seamless transformation that feels fully integrated with your existing property.

We carry out complete thermal upgrades to walls, floors and ceilings to meet current Building Regulations, install new windows, doors and insulation, and reroute electrics, heating and plumbing for total comfort and functionality. Every detail—from structural alterations and damp-proofing to plastering, flooring and decoration—is managed by our experienced team to ensure a professional, lasting finish.

With over 40 years’ combined experience, we deliver compliant, energy-efficient garage conversions across Crowborough, East Sussex and Kent, designed to enhance your lifestyle and the way you use your home.

Garage Conversions Services:

Garage conversion by Deerwood Construction in Crowborough East Sussex featuring brickwork, tiled roof, and new door installation.

Annex & Self-Contained Spaces

Create flexible, independent living spaces with a bespoke annex or self-contained conversion, ideal for family members, guests or rental accommodation.

At Deerwood Construction Ltd, we design and build annexes that provide privacy, comfort and full functionality while maintaining harmony with your home’s existing architecture. Whether attached to the main property or designed as a stand-alone structure, we integrate living areas, bedrooms, bathrooms and kitchenettes with high-quality finishes and modern building standards.Each project is carefully planned to meet UK Building Regulations, covering thermal insulation, soundproofing, fire safety and accessibility. We also ensure efficient plumbing, heating and electrical systems are installed for complete independence.

From initial planning advice and design coordination to construction and final certification, our experienced, family-run team delivers professional, long-lasting results. Serving Crowborough, East Sussex and Kent, we help homeowners add space, value and versatility to their properties through beautifully crafted annex and self-contained living solutions.

Annex & Self-Contained Spaces Services:

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Basement & Cellar Conversions

Transform your unused basement or cellar into a warm, dry and functional living area designed for comfort, safety and long-term performance.

At Deerwood Construction Ltd, we specialise in basement and cellar conversions that combine structural strength with modern design, creating spaces ideal for home cinemas, gyms, offices, playrooms or guest suites. We implement advanced waterproofing and tanking systems, including cavity drainage membranes, sump pumps and vapour control layers, to keep your new room completely dry and protected from moisture. Floors, walls and ceilings are thermally upgraded to meet current Building Regulations, while mechanical ventilation and energy-efficient heating ensure a healthy, comfortable environment year-round.

Our team manages all aspects of the conversion—from excavation and underpinning to insulation, electrics, plumbing and finishes—ensuring a flawless result that feels like a natural extension of your home. Every project is carried out with meticulous attention to detail and full Building Control compliance, serving homeowners across Crowborough, East Sussex and Kent.

Basement & Cellar Conversions Services:

Basement and cellar conversion by Deerwood Construction in Crowborough East Sussex featuring brick steps and tiled roof entrance.

Areas We Serve

Reviews - See What Local Homeowners Say About Our Work

John Dawson
John Dawson
Home Extensions – Tunbridge Wells
“We’re absolutely thrilled with our new home extension in Tunbridge Wells. The team from Deerwood Construction handled everything from start to finish with total professionalism. The craftsmanship is outstanding, and they worked seamlessly with Building Control throughout the process. Our kitchen and dining space now feel twice the size — highly recommend them for anyone planning a home extension.”
Dawn Maskins
Dawn Maskins
Home Renovations & Refurbishments – Crowborough
“Deerwood Construction recently completed a full home renovation and refurbishment of our property in Crowborough, and the results are stunning. They managed every detail — new electrics, plastering, and beautiful carpentry finishes. The father-and-son team were reliable, tidy, and great to communicate with. We couldn’t have asked for better service!”
Valerie Mablethorpe
Valerie Mablethorpe
Home Conversions – Uckfield
“We had our garage converted into a spacious home office by Deerwood Construction in Uckfield, and the quality of their work was exceptional. They took care of everything, including insulation, flooring, and custom-built storage. The attention to detail really sets them apart. If you’re considering a home conversion, these are the people to call.”
Barbra Goodson
Barbra Goodson
Outdoor Space – Heathfield
“Our garden transformation in Heathfield exceeded expectations! Deerwood Construction built a lovely new patio and outdoor seating area that perfectly complements our home. The workmanship was meticulous, and they completed everything on time. We now enjoy our outdoor space all year round — a brilliant job from start to finish.”
David Moore
David Moore
Structural Works & Foundations – Langton Green
“We needed extensive structural works and new foundations as part of an extension project in Langton Green, and Deerwood Construction handled the job flawlessly. Their knowledge and communication throughout the process were excellent. Everything was completed to building regulations with full documentation. A reliable and highly skilled team.”

Frequently Asked Questions

Many loft conversions fall under Permitted Development rights, though dormer extensions or changes to the roof shape may require planning consent. We’ll guide you through the full approval process.

Yes. Garage conversions are an excellent way to add living space without extending your property. We handle thermal upgrades, insulation, services and finishes to ensure full Building Control compliance.

Absolutely. We use professional tanking and cavity drainage systems to protect against moisture, ensuring your basement remains dry, safe and comfortable all year round.

In most cases, yes. We plan the project to minimise disruption and maintain safe access throughout the build, with regular updates and tidy working practices.