Practical advice on costs, planning, regulations and construction — written by the team that actually builds the projects.

Real prices from real London projects — single-storey, double-storey, side-return and kitchen extensions broken down by type, size and specification.

What you can build without planning permission, how far you can extend, and when you need to apply. A practical guide for London homeowners.
Send the drawings, the address, and a rough budget — a director will reply within one working day.