26/00535/NMA
Application Details
Description
Amendment to planning permission dated 24th July 2025 (RN 24/05883/FULL) for the Excavation of a new basement level. Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new; NAMELY to amend the description of development to omit 'Excavation of a new basement level'; amended description of development to read as follows: 'Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new'.
Council
Westminster
Application Type
Non-material amendments
Date Received
29 Jan 2026
Date Validated
29 Jan 2026
Decision Date
16 Mar 2026
Council Website
View on Westminster websiteLocation
Address
12 Chester Street London SW1X 7BB
Postcode
SW1X 7BB
UPRN
Coordinates
51.499353000000000, -0.150505300000000
Source: Application UPRN
Quick Info
- UID
- 26/00535/NMA
- Reference
- 26/00535/NMA
- Status
- Granted
- Last Updated
- 19 Mar 2026