Planning application
50 Grosvenor Street London
Relates to 26/01503/FULL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of three condenser units within the rear courtyard. (Linked with 26/01503/FULL)
As published by the council, reference 26/01504/LBC
Application record
- Reference
- 26/01504/LBC
- Type
- Listed Building Consent Application
- Status
- Pending
- Received
- 9 Mar 2026
- Validated
- 9 Mar 2026
- Ward
- West End
Site history
Applications at this address on the Westminster register
This site has had 8 applications since 2025: 1 approved, 2 refused.
-
26/03813/LBC Decided
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard.
-
26/03812/FULL Decided
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard.
-
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).
-
26/01503/FULL Awaiting decision
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard. (Linked with 26/01504/LBC)
-
26/00764/LBC Refused
50 Grosvenor Street London
Internal works at ground and first floor levels to refurbish and fit-out office accommodation.
-
26/00754/LBC Refused
50 Grosvenor Street London
Creation of internal structural opening at ground floor level to provide access between 50 and 51 Grosvenor Street.
-
25/08357/LBC Granted
50 Grosvenor Street London
Internal alterations at lower ground, ground, first, second, third and fourth floors.
Timeline
Dates from the published record
-
9 Mar 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 86 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
26/01503/FULL Awaiting decision
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard. (Linked with 26/01504/LBC)
1 later application on the register refers to this one:
-
26/01503/FULL Awaiting decision
50 Grosvenor Street London
Installation of three condenser units within the rear courtyard. (Linked with 26/01504/LBC)
Who's behind it
Company information only, from the register and Companies House
Firstplan Ltd Agent, registered in London
Active · incorporated 2003 · London
844 applications on PlanIndex · across 119 councils · 94% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
9 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
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