Builders in Sutton

House Extensions, Refurbishments & Loft Conversions

Looking for experienced, reliable builders in Sutton, Cheam, Belmont, Carshalton or Worcester Park? At 3D Design & Build, we offer a full range of building and renovation services to help you transform your home, add space, and boost its value.

Whether you’re dreaming of a stylish kitchen refurbishment, a spacious house extension, or a stunning loft conversion, our skilled team is here to make it happen — with guaranteed quality workmanship and stress-free project management.

🏠 House Extensions in Sutton

Maximise your living space with a bespoke house extension designed and built to perfectly match your needs. We specialise in:

Rear, side, and wraparound extensions
Single- and double-storey builds
Open-plan kitchen/diner extensions
Planning permission and building control handled in-house

🛠️ House Refurbishments in Sutton

Give your home a new lease of life with a complete refurbishment. From reconfiguring layouts to modernising bathrooms and kitchens, we deliver stunning results that blend style with practicality.

Our team covers every aspect of your project, including:

Plastering and painting
Plumbing and electrics upgrades
Flooring, tiling, and carpentry
Structural changes for improved layouts

🧱 Loft Conversions in Sutton

Turn your unused attic into a bright, functional new room. We design and build loft conversions of all types, including dormer, mansard, and hip-to-gable, with services covering: