Planning application
26/04424/FULL
1 Princes Street London W1B 2LA
Proposal
Installation of new louvre
As published by the council, reference 26/04424/FULL
Timeline
Dates from the published record
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3 Jul 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
Within 500 metres
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26/03703/ADV Awaiting decision
1 Princes Street London W1B 2LA
Display of non-illuminated fascia sign measuring 2.94m x 0.6m; two externally illuminated projecting signs measuring 0.6m x 0.6m; and two non-illuminated awnings measuring 2.8m x 2.82m.
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26/03568/ADV Awaiting decision
Basement And Ground Floor 3 Princes Street London W1B 2LD
Display of non-illuminated fascia sign measuring 0.18m x 1.15m, non-illuminated hanging sign measuring 0.73m x 0.70m, lettering on green fabric awning measuring 0.11m x 4.00m, and vinyl lettering applied to clear glazing.
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26/03407/FULL Awaiting decision
Basement And Ground Floor 3 Princes Street London W1B 2LD
Alterations to the front of the building including removal of existing metal railings to the lightwell area, levelling of the raised platform and resurfacing with paving slabs to match the existing footpath. (Linked with 26/03568/ADV)
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26/02463/ADV Awaiting decision
Basement And Ground Floor 4 Princes Street London W1B 2LE
Display of one externally illuminated fascia sign measuring 0.14m x 2.11m.
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25/05036/FULL Granted
249 - 251 Regent Street London W1B 2EP
Replacement of 3 solid panels for new acoustic louvres on the Swallow Place elevation.
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25/05037/LBC Granted
249 - 251 Regent Street London W1B 2EP
Replacement of 3 solid panels for new acoustic louvres on the Swallow Place elevation.
Other full applications applications
In Westminster
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26/04824/ADFULL Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site. pursuant to condition 32 (i) of planning permission dated 8th April 2024 (23/00571/FULL).
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26/04829/ADFULL Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 33(E) of planning permission dated 8th April 2024 (RN: 23/00571/FULL)
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26/04841/ADFULL Granted
29 Henstridge Place London NW8 6QD
Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).
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26/04989/FULL Awaiting decision
1 Kildare Terrace London W2 5JT
Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.
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26/04986/FULL Awaiting decision
Inver Court Inverness Terrace London W2 6JB
Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.