26/00802/FULL
Status: Granted
(02 Jul 2026)
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
Decision Date
02 Jul 2026
Council Website
View on Westminster websiteLocation
Address
11 Marylebone Mews London W1G 8PX
Postcode
W1G 8PX
UPRN
Coordinates
51.518184100000000, -0.148819700000000
Source: Application UPRN
Quick Info
- UID
- 26/00802/FULL
- Reference
- 26/00802/FULL
- Status
- Granted
- Last Updated
- 07 Jul 2026