Our Services

Extensions & New Builds

From extra bedrooms to full ground-up builds, we create bright, modern spaces that work for your family. Structural steel, foundations, brickwork — we handle the lot.

Whether you need a single-storey rear extension, a double-storey side return, or a complete loft conversion, our team manages every stage from foundation to finish. We also deliver ground-up new builds with full structural steelwork, reinforced foundations, and precision brickwork — serving homeowners across London, Kent, and the wider South East.

Extensions & New Builds by Delfi Construction

Project Gallery15 photos

Extensions & New Builds - Photo 2
Extensions & New Builds - Photo 3
Extensions & New Builds - Photo 4
Extensions & New Builds - Photo 5
Extensions & New Builds - Photo 6
Extensions & New Builds - Photo 7
Extensions & New Builds - Photo 8
Extensions & New Builds - Photo 9
Extensions & New Builds - Photo 10
Extensions & New Builds - Photo 11
Extensions & New Builds - Photo 12
Extensions & New Builds - Photo 13
Extensions & New Builds - Photo 14
Extensions & New Builds - Photo 15

Get a Free Quote

Ready to start your extensions & new builds project? Get in touch for a free, no-obligation estimate.

Other Services