25/08746/FULLPlanning Application 25/08746/FULL
Full application at 26 Upper Montagu Street London W1H 1RP, Westminster. View planning documents, track the decision and get email alerts on updates.
Erection of a two storey rear extension and internal reconfiguration of HMO.
25/08746/FULL
26 Upper Montagu Street London W1H 1RP
This is a full planning application for a two storey rear extension at 26 Upper Montagu Street London W1H 1RP. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 1 December 2025 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 221 applications across Marylebone. We hold 686 applications in total for the W1H postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster