26/01573/FULL
Status: Refused
(16 Jun 2026)
Application Details
Description
Erection of a mansard roof extension and solar panels at no. 10 Northumberland Place with access onto roof terrace at No.9 [Site includes 9&10 Northumberland Place]
Council
Westminster
Application Type
Full Planning Permission Application
Date Received
11 Mar 2026
Date Validated
13 Mar 2026
Decision Date
16 Jun 2026
Council Website
View on Westminster websiteLocation
Address
9 Northumberland Place London W2 5BS
Postcode
W2 5BS
UPRN
Coordinates
51.516231100000000, -0.196044300000000
Source: Application UPRN
Quick Info
- UID
- 26/01573/FULL
- Reference
- 26/01573/FULL
- Status
- Refused
- Last Updated
- 16 Jul 2026