25/07262/FULL.
41 Upper Grosvenor Street London W1K 2NH
Full / Other Planning at 41 Upper Grosvenor Street London W1K 2NH, received 8 Oct 2025 — approved on 5 Mar 2026 (delegated, Sarah De La Coze).
What is it?
External alterations including rooftop and rear extension at 41 Upper Grosvenor Street; and reconfiguration and amalgamation of existing residential accommodation (comprising 2 x 2bed and 1 x 1 bed) to provide 3 homes (1 x 2 bed and 2 x 3 bed) (Class C3) at 41 Reeves Mews; external alterations including rooftop and rear extension and terrace, loft conversion and new dormers and enlargement of basement at 41 Reeves Mews; and change of use of existing commercial use (Use Class E) to residential (Use Class C3) at lower ground of 41 Reeves Mews to facilitate shared cycle storage, refuse and plant facilities to serve both 41 Upper Grosvenor Street and 41 Reeves Mews; and associated landscaping ac
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What was filed?
No documents are recorded for this application.
Documents open on the Westminster portal (the portal needs its documents tab opened first — the link handles that). View the application page ↗
What happened?
Approved on 5 Mar 2026, delegated decision by Sarah De La Coze — 21 weeks from submission (13 over the 8-week target).
Timeline
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Public response
Comment counts were not captured for this application.
Who is involved?
What affects it?
Context around the site — not part of this application. Designations over the site: use the map's designations filter (conservation areas, listed buildings, Article 4, flood risk …). Decisions within 250 metres of the site are listed below — context, not this application.
Other applications within 250 metres (context — nearby, not this application)
No other geocoded decision is recorded within 250 metres.