We deliver tailored building and refurbishment solutions across South East London and Kent. From residential extensions to specialist care facility upgrades, each project is completed with precision, compliance, and a commitment to client satisfaction.

Modern rear extension project completed in Dartford, Kent – adding space, light, and value.
This stylish home extension features skylights, bi-fold doors, and a seamless transition between indoor and outdoor living.

We completed a bespoke rear house extension in Dartford, Kent, designed to transform a compact family kitchen into a bright, modern living space. The project focused on maximising natural light, creating a seamless flow between indoor and outdoor areas, and increasing overall property value.
The new area serves as a central hub for family life, blending aesthetics with function — a timeless upgrade that significantly enhances the home’s usability and market appeal.
At Mastercraft Building Contractors Ltd, we specialise in rear, side, and wraparound home extensions across the South East, handling everything from planning to final finishes. Our service area includes:
No matter where you’re based in the region, our experienced builders deliver reliable timelines, transparent pricing, and exceptional craftsmanship — all tailored to your vision.
📞 Contact us today to discuss your extension project and get a free quote.