cs:westminster:26/04951/NMAPlanning Application cs:westminster:26/04951/NMA
Planning application at 43 - 45 Portman Square London W1H 6LY, Westminster. View planning documents, track the decision and get email alerts on updates.
Amendments to planning permission dated 22 April 2026 (Ref: 25/06153/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, to amend the wording of Condition 27 to allow basement demolition work to proceed in advance of sustaianble drainage construction drawings being approved.
26/04951/NMA
43 - 45 Portman Square London W1H 6LY
This is a planning application for demolition at 43 - 45 Portman Square London W1H 6LY. Westminster has handled 18,781 applications of this type and approves 88% of them, typically deciding them in 56 days. This one was decided in 13 days, 6 weeks quicker than Westminster's median. The site is in the Portman Estate conservation area, with 1 listed building nearby. There have been 4 other applications at this address. 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