25/09117/FULL
Status: Granted
(31 Mar 2026)
Application Details
Description
Erection of an infill extension at ground and first floor rear replacing the existing first floor enclosed balcony and the ground floor undercroft; installation of new rooflight on main roof.
Council
Westminster
Application Type
Full Planning Permission Application
Date Received
17 Dec 2025
Date Validated
23 Jan 2026
Decision Date
31 Mar 2026
Council Website
View on Westminster websiteLocation
Address
43 William Mews London SW1X 9HQ
Postcode
SW1X 9HQ
UPRN
Coordinates
51.501228200000000, -0.157662400000000
Source: Application UPRN
Quick Info
- UID
- 25/09117/FULL
- Reference
- 25/09117/FULL
- Status
- Granted
- Last Updated
- 01 Apr 2026