25/06153/FULLPlanning Application 25/06153/FULL

Full application at 43 - 45 Portman Square London W1H 6LY, 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 7th April 2025 (RN: 24/04987/FULL) for, 'Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing façade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works'; Namely,the retention of existing cores, the infilling of atria, the provision of additional rooflights to the western 3rd floor terrace, layout changes at ground and lower ground levels and changes to some windows on the eastern façade and retention of existing first floor windows, resulting in single storey full height glazing to the retail frontages along Orchard Street (Application under Section 73 of the Act).

25/06153/FULL

Medium

Full

43 - 45 Portman Square London W1H 6LY

SubmittedSubmitted29 Aug

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

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

This is a full planning application for demolition at 43 - 45 Portman Square London W1H 6LY. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 29 August 2025 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 2 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 561 applications across West End. We hold 686 applications in total for the W1H postcode area.