The Extension Works
UK only: we design and build extensions in London & the South East of England (Surrey, Hampshire & Berkshire) — we can’t quote for projects outside the UK.
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Accessible extensions: 3D design to avoid retrofit and meet M4, England

Make Part M work on site for accessible rear extensions in England. 3D modelling, M4 checks and 1500mm turning circles prevent costly retrofits.

The Extension Works 6 October 2026
Accessible extensions: 3D design to avoid retrofit and meet M4, England