26/00802/FULL

Status: Pending
Application Details
Description

Erection of a mansard roof extension, excavation and extension of the existing basement, installation of plant within a louvered acoustic enclosure on the rear flat roof at second floor and the replacement of the fenestration to the front and rear of the building; all to enlarge and alter dwellinghouse (Class C3).

Council

Westminster

Application Type

Full Planning Permission Application

Date Received

10 Feb 2026

Date Validated

10 Feb 2026

Location
Address

11 Marylebone Mews London W1G 8PX

Postcode

W1G 8PX

Coordinates

51.518184100000000, -0.148819700000000

Source: Application UPRN

Quick Info
UID
26/00802/FULL
Reference
26/00802/FULL
Status
Pending
Last Updated
29 May 2026