House Extensions & Conversions in Kent & South London

Many single storey rear extensions are allowed without a planning application, as permitted development. On a semi detached or terraced house that means extending up to 3 metres past the original back wall, or 4 metres on a detached house — and up to 6 and 8 metres if you notify the council first and they approve it. Two storey extensions and anything larger normally need full planning permission. We look at your specific house and handle the applications.

A single storey extension typically takes 10 to 16 weeks on site; a double storey project 16 to 24 weeks, plus design and approvals beforehand.

Yes. We build from your drawings and structural calculations, or can recommend architects and engineers if you need them.

Yes. We manage everything from groundworks and structure through to the finished interior, so you have a single point of accountability.