Our Services
Architectural, Structural & MEP Design Services – Sussex
At DSN+BD Construction, we provide full design and engineering solutions across Sussex and surrounding areas. Our services include architectural design, structural engineering, and MEP (Mechanical, Electrical, and Plumbing) design—essential for efficient and code-compliant builds.
Whether you're planning a house extension in Worthing, a new build in Brighton, or a full property renovation in Hove, our certified designers work closely with you to create beautiful, functional spaces that are built to last. We align every design with your goals, ensuring smooth transitions from planning to construction.
Complete Build Services – New Builds & Extensions in Sussex
As experienced design and build contractors in Sussex, DSN+BD offers end-to-end construction services for new builds, home extensions, and property conversions. Our skilled team manages every element of your project—from groundworks, drainage, and foundations, through to steelwork installation, structural slabs, and the full building envelope.
We also handle the installation of all MEP systems, ensuring your home is energy-efficient, safe, and future-ready. Whether you’re building a modern extension in Chichester or a bespoke new home in Haywards Heath, we deliver with precision and care.
Premium Fit-Out & Finishing – High-End Interiors in Sussex
We specialise in premium residential fit-outs across East and West Sussex, offering custom finishes that elevate your living space. Our services include:
Bespoke kitchen installations
Tailored joinery & cabinetry
Specialist flooring solutions
Luxury wall and ceiling finishes
Every fit-out is designed around your personal style, delivering a seamless blend of form and function. Whether you're completing a loft conversion in Lewes or upgrading your interiors in Burgess Hill, our expert team ensures a flawless, high-quality finish.
Who We Are
DSN+BD Construction is a leading design-led construction company in Sussex, specialising in new builds, house extensions, loft conversions, and full home renovations. Based in Sussex, we bring together architectural vision and skilled craftsmanship to deliver bespoke, high-quality homes that put people first.
Whether you're planning a rear extension in Brighton, a loft conversion in Worthing, or a complete property remodel in Hove, our experienced team works with you every step of the way—from the first concept sketch to the final screw.
We are trusted extension specialists and renovation experts across East and West Sussex, proudly serving: Worthing, Brighton, Hove, Horsham, Burgess Hill, Haywards Heath, Hassocks, Lewes, Chichester, and surrounding areas. We also undertake select projects in London and across the Home Counties.
At DSN+BD Construction, we’re committed to delivering high-quality results with a focus on personalised service, ensuring a seamless and stress-free experience from start to finish.
Completed Construction, Extension, Renovation, Conversion & Fit-Out Projects in Sussex and Surrounding Areas
Why Clients Choose Us: Testimonials & Success Stories
“We really appreciated all DSN+BD’s hard work, something you should be mega proud of.”
Tristin Norwell, Premium Commercial Fit-Out
“Steve at DSN+BD Construction was my main point of contact throughout our build and instrumental in making it a very enjoyable experience overall. He is extremely well organised, not missing detail on either the client side or build team… He works incredibly fast and always delivers. And, he does it with humour and grace.”
Sarah Withers, Premium Commercial Unit Fit-Out
“Steve at DSN+BD Construction has been helping me from the very beginning and has provided design consultancy and project management oversight for 6 different private residential extension / conversion developments over the past 12 years.”
James Greer, London Living Spaces Ltd, Multiple Residential Extension, Conversion & Remodelling Projects
“His expertise and hands-on approach ensured that every aspect of the work was executed to a high standard.”
Eleni Papadopoulou, Multiple Music & Post Production Studio Fit-Out Projects
“Steve at DSN+BD Construction was such a nice guy! We reached to him for help on the design, build and consultation on our recording studio. Without him we wouldn’t have accomplished such an amazing job.”
Moises Zetina, Westway Records Ltd Self Build Recording Studio
Get a Free Consultation for Your Next Project
Ready to bring your dream project to life? Whether it’s a home extension, conversion or remodel or a commercial fit-out project, we’re here to help.
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