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

Location
Address

64 - 65 St James's Street London SW1A 1NF

Postcode

SW1A 1NF

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