26/01177/FULLPlanning Application 26/01177/FULL

Full application at 5 Market Mews London W1J 7BY, Westminster. View planning documents, track the decision and get email alerts on updates.

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Variation of condition 1 of planning permission dated 18 Ocober 2024 (RN: 24/03443/FULL) for, 'Erection of a mansard roof extension at third floor level and a domestic lift to the rear of the mews house, and associated works'; NAMELY, to enable the omission of lift, the addition of three velux windows to the new mansard roof, replace the windows to aluminium frame windows and install brick slips over the existing render finish to the front elevation

26/01177/FULL

Small

Full

5 Market Mews London W1J 7BY

SubmittedSubmitted24 Feb

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 5 Market Mews London W1J 7BY. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 24 February 2026 and is still awaiting a decision. The site is in the Mayfair conservation area, with 20 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 629 applications in total for the W1J postcode area.