26/00434/NMA
Status: Granted
(13 Mar 2026)
Application Details
Description
Amendments to planning permission dated 2 September 2021 (RN: 21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely; increase in height of internal stair core roof; solid hinged access hatch with integrated glazed AOV replaced with sliding glazed access rooflight and separate glazed AOV.
Council
Westminster
Application Type
Non-material amendments
Date Received
26 Jan 2026
Date Validated
26 Jan 2026
Decision Date
13 Mar 2026
Council Website
View on Westminster websiteLocation
Address
64 - 65 St James's Street London SW1A 1NF
Postcode
SW1A 1NF
UPRN
Coordinates
51.506180800000000, -0.139277100000000
Source: Application UPRN
Quick Info
- UID
- 26/00434/NMA
- Reference
- 26/00434/NMA
- Status
- Granted
- Last Updated
- 17 Mar 2026