Planning application
26/00408/FULL
30 Grosvenor Square London W1K 6AN
Proposal
Installation of permanent external planter boxes at ground floor level on the Upper Grosvenor Square elevation and associated works.
As published by the council, reference 26/00408/FULL
Timeline
Dates from the published record
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23 Jan 2026
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
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26/01789/ADFULL Awaiting decision
Flat 11 46 Upper Grosvenor Street London W1K 2NW
Detailed drawings of existing and proposed windows with key details pursuant to condition 2 of planning permission dated 6th November 2025 (RN: 25/05340/FULL).
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External alterations including rooftop and rear extension; and reconfiguration and amalgamation of existing residential accommodation (comprising 2 x 2bed and 1 x 1 bed) to provide 3 homes (1 x 2 bed and 2 x 3 bed) (Class C3) at 41 Reeves Mews; external alterations including rooftop and rear extension and terrace, loft conversion and new dormers and enlargement of basement at 41 Reeves Mews; and change of use of existing commercial use (Use Class E) to residential (Use Class C3) at lower ground of 41 Reeves Mews to facilitate shared cycle storage, refuse and plant facilities to serve both 41 Upper Grosvenor Street and 41 Reeves Mews; and associated landscaping across the site. [SITE INCLUDES 41 REEVES MEWS]
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26/04722/FULL Awaiting decision
Flat 11 46 Upper Grosvenor Street London W1K 2NW
Variation of condition 2 of planning permission dated 06 November 2025 (RN: 25/05340/FULL) for the: Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street). NAMELY, to allow replacement windows constructed in aluminium rather than the original mild steel of the Crittall casements.
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26/03380/FULL Awaiting decision
10 Upper Grosvenor Street London W1K 2NA
Replacement of lantern skylights to match existing; repair and installation of insulation of the accessible roof surface; and other associated works.
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25/05340/FULL Granted
Flat 11 46 Upper Grosvenor Street London W1K 2NW
Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street)
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26/04989/FULL Awaiting decision
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