Planning application
26/00754/LBC
50 Grosvenor Street London
Proposal
Creation of internal structural opening at ground floor level to provide access between 50 and 51 Grosvenor Street.
As published by the council, reference 26/00754/LBC
Timeline
Dates from the published record
-
9 Feb 2026
Received by Westminster
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1 Apr 2026
Decision issued: Application Refused
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21 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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26/03812/FULL Awaiting decision
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard. (Linked with 26/03813/LBC)
-
26/00764/LBC Refused
50 Grosvenor Street London
Internal works at ground and first floor levels to refurbish and fit-out office accommodation.
-
26/03813/LBC Awaiting decision
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard. (Linked with 26/03812/FULL)
-
26/03477/LBC Awaiting decision
50 Grosvenor Street London
Minor internal works at ground and first floor levels to refurbish and fit-out office accommodation (revised submission of application ref. 26/00764/LBC).
-
26/01687/FULL Awaiting decision
Investcorp House 48 Grosvenor Street London W1K 3HW
Infill of vehicle garage access on Mount Row, infill of lightwell and skylights at ground floor level, renewing glass facade of link building, new plant on roof.
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25/07862/FULL Awaiting decision
Penthouse A 21 Davies Street London W1K 3DE
Replacement of all windows and doors, including their frames, on the upper level (6th floor), three windows including frames on the lower level (5th floor), and the replacement of glass within two windows on the lower level (5th floor). New metal frames will match existing in material and colour.
Other heritage and listed buildings applications
In Westminster
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26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
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26/04997/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
-
26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)