Listed Building at Third Floor Mappin House 4 Winsley Street London W1W 8HF, received 27 Nov 2025 — approved on 2 Apr 2026 (delegated, Priscilla Ogie).
Record from the Westminster planning register as captured; documents link to the council's own files. Nearby applications are context, not part of this application.
Application
What is it?
Removal and replacement of air conditioning units at roof level, and internal alterations to office space at third floor level. (Linked with 25/08683/FULL)
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.