26/01015/FULLPlanning Application 26/01015/FULL
Full application at Hallam House 56 - 60 Hallam Street London W1W 6JL, Westminster. View planning documents, track the decision and get email alerts on updates.
Change of use of existing building to form 6 residential flats (Class C3), alterations to rear fenestration pattern, erection of single storey lower ground floor extension within rear lightwell to provide additional residential floorspace (Class C3) and replacement of an existing window with a door at front ground floor level.
26/01015/FULL
Hallam House 56 - 60 Hallam Street London W1W 6JL
This is a full planning application for a change of use at Hallam House 56 - 60 Hallam Street London W1W 6JL. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 17 February 2026 and is still awaiting a decision. The site is in the Harley Street conservation area, with 5 listed buildings nearby. There have been 2 other applications 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.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster