cs:westminster:26/04419/LBCPlanning Application cs:westminster:26/04419/LBC
Heritage application at Flat 2 5 Montagu Square London W1H 2LA, Westminster. View planning documents, track the decision and get email alerts on updates.
Installation of secondary glazing to existing historic single glazed timber windows. Replacement of existing window with new timber double glazed unit. (Linked with 26/04418/FULL)
26/04419/LBC
Flat 2 5 Montagu Square London W1H 2LA
This is a heritage application for window replacement at Flat 2 5 Montagu Square London W1H 2LA. Westminster has handled 2,686 applications of this type and approves 90% of them, typically deciding them in 64 days. It was submitted on 3 July 2026 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 15 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