26/00555/NMA

Status: Granted (21 Apr 2026)
Application Details
Description

Amendments to planning permission dated 17 June 2025 (RN: 25/01604/FULL) for Phased development including replacement of rear basement roof slab and creation of a rear extension at ground floor. Removal of rear ground floor toilet block and external fire escape stairs. Demolition of existing, altered mansard roof and construction of a new mansard roof with dormer windows and concealed plant enclosure. Extension of existing lift to serve fourth floor. Replacement of third floor rear windows with double glazed sash windows. Minor internal reconfigurations. Continued use of ground floor as retail (Use Class E(a)) and basement, first, second, third and fourth as office (Use Class E(g)). NAMELY, to retain ground floor rear door, retain existing floor slab and rear void, retain ground-floor landing stairs in existing arrangement, and amendment of Condition 11 to require details of waste and recycling to be submitted for approval prior to occupation.

Council

Westminster

Application Type

Non-material amendments

Date Received

30 Jan 2026

Date Validated

30 Jan 2026

Decision Date

21 Apr 2026

Location
Address

23 Grafton Street London W1S 4EY

Postcode

W1S 4EY

Coordinates

51.509541000000000, -0.143059900000000

Source: Application UPRN

Quick Info
UID
26/00555/NMA
Reference
26/00555/NMA
Status
Granted
Last Updated
22 Apr 2026