26/00535/NMA

Status: Granted (16 Mar 2026)
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

Location
Address

12 Chester Street London SW1X 7BB

Postcode

SW1X 7BB

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