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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3 Weeks' Notice: Avoid a Drainage Consultant for SuDS on Extensions in England

England homeowners' guide to SuDS for extensions. When Approved Document H, local SPDs or sewer rules apply, and how to meet them without a separate...

The Extension Works 13 October 2026
3 Weeks' Notice: Avoid a Drainage Consultant for SuDS on Extensions in England