26/00555/NMA
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
Council Website
View on Westminster websiteLocation
Address
23 Grafton Street London W1S 4EY
Postcode
W1S 4EY
UPRN
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