
EXCEPTIONALLY DESIGNED EXTENTIONS
Home Extensions in London & Surrey
At Unique Design & Build we create home extensions that add space, light and long-term value to your property. Whether you're dreaming of an open-plan kitchen, a larger living area, an additional bedroom or a multi-storey extension, we design and build home extensions that feel natural, comfortable and seamlessly integrated with your existing home.
With experience designing and building home extensions across London, Surrey and surrounding areas, we understand the planning requirements, property styles and layout challenges that come with extending a home. Our team will guide you through each stage with clarity and confidence.




Our Home Extension Services
We design and build extensions that enhance your home’s layout and support the way you live, whether you need more space for your family, lifestyle or future plans.
Single-Storey Rear Extensions – Bright, open spaces ideal for kitchen/dining areas.
Side Return Extensions – Making the most of unused side space in period homes.
Double-Storey Extensions – Expanding both upstairs and downstairs for maximum impact.
Wrap-Around Extensions – Transforming your ground floor with a full reconfiguration.
Kitchen Extensions – Light-filled layouts that connect beautifully to the garden.
Bedroom & Living Space Extensions – Additional rooms designed to feel fully part of your home.


HOW WE DELIVER YOUR HOME EXTENSION
Extending your home is a major investment, so we make the process smooth, structured and transparent from the very beginning.
Consultation & Feasibility
We discuss your goals, review your home and assess the best extension options for your space and lifestyle.
Design, Planning & Approvals
From architectural drawings to planning applications and building regulations, we handle all design and approval stages for you.
Construction & Build Phase
Our experienced team manages all structural work, roofing, glazing and internal layouts with care and professionalism.
Fit-Out & Handover
Once the structure is complete, we finish the space with flooring, kitchens, lighting and interior details — followed by a full walkthrough to ensure everything is exactly right.

WHAT OUR CLIENTS SAY
“Emmet brought our vision to life. We trusted him throughout with everything from design and supply to problem solving. His team were a pleasure which is crucial when they are working in your home 6 days a week. The end result is even better than we hoped and we now recommend UDB to anyone considering renovation. ”
Susan & Ian, Windsor
WHAT OUR CLIENTS SAY
“Thank you to your team for turning our dream house project into a reality. We couldn't be more pleased with the outcome. You and your team made the whole experience enjoyable and kept stress levels down. Everyone took pride in their work and were always a pleasure to have at our home. A huge thank you. ”
Rob & Jo, Ascot
WHAT OUR CLIENTS SAY
“UDB was recommended to us by a neighbour and from the very start we found the team to be professional and hard working. Emmet was incredibly helpful and imaginative and overcame any issues with clever and creative solutions. The end result is superb and we highly recommend UDB.”
David & Deb, Hanwell
WHAT OUR CLIENTS SAY
“When undertaking a renovation project you want your builder to be on time and to budget. You also need their time and dedication to yield high quality results. There will always be unforseens and it's how your builder solves these issues that will set them apart. UDB rose to these challenges and I would highly recommend them.”
Alan Muse, FRICS
WHAT OUR CLIENTS SAY
“ We cannot recommend Emmet and UDB highly enough. We have used many tradesman but none compare to Emmet, we will never use another company again. We have had many compliments on the quality of the workmanship. The time, skill and dedication of Emmet and his team are second to none. ”
Charlotte Young, Windsor
COMMERCIAL PROJECT SPOTLIGHT
Unique Design & Build were proud to be part of the renovation of the new restaurant inside Liberty London, one of the city’s most iconic retail landmarks. Our team delivered high-quality interior works, blending contemporary design with the heritage character of the building to create a stylish, welcoming dining space on the famous Regent Street.

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