cs:westminster:26/05062/FULLPlanning Application cs:westminster:26/05062/FULL

Full application at Kenilworth House 79 - 80 Margaret Street London W1W 8TA, Westminster. View planning documents, track the decision and get email alerts on updates.

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Council recordsAppealsFlood risk

Pending Decision

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Extension of existing rear external steel fire escape staircase by one floor to the fifth floor with associated alterations to openings.

26/05062/FULL

Small

Full

Kenilworth House 79 - 80 Margaret Street London W1W 8TA

SubmittedSubmitted28 Jul

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

7 weeks typical decision time in Westminster84% of full applications approved

This is a full planning application for an extension at Kenilworth House 79 - 80 Margaret Street London W1W 8TA. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 28 July 2026 and is still awaiting a decision. The site is in the East Marylebone conservation area, with 7 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 561 applications across West End. We hold 132 applications in total for the W1W postcode area.