Planning application
25/09254/FULL
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Proposal
Conversion of part basement, part ground and the upper floors of the existing buildings, and erection of a rear infill extension and external alterations to front facades and roof level, for use as a hotel and reprovision of retail units at ground level. [Linked to 25/09255/LBC]
As published by the council, reference 25/09254/FULL
Timeline
Dates from the published record
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22 Dec 2025
Received by Westminster
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20 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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25/09255/LBC Awaiting decision
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Conversion of part basement, part ground and the upper floors of the existing buildings, and erection of a rear infill extension and external alterations to front facades and roof level, for use as a hotel and reprovision of retail units at ground level. [Linked to 25/09254/FULL]
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25/07244/ADV Awaiting decision
Basement And Ground Floor 7 Whitehall London SW1A 2DD
Display of an externally illuminated hanging sign measuring 0.63m X 0.63m
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26/03559/ADV Awaiting decision
Basement And Ground Floor 7 Whitehall London SW1A 2DD
(RETROSPECTIVE) Display of an externally illuminated fascia sign measuring 7.5m x 1m; and a non-illuminated projecting sign measuring 0.7m x 0.75m.
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22/03789/FULL Refused
Basement And Ground Floor 11-13 Whitehall London SW1A 2DD
Retention of alterations to shopfront.
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25/07364/ADV Awaiting decision
1 Whitehall London SW1A 2DD
Display of one externally illuminated projecting sign measuring 0.9m x 0.8m. (Retrospective)
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26/00829/LBC Awaiting decision
8 Northumberland Avenue London WC2N 5BY
External alterations, including replacement of the existing entrance screen, revolving door and canopy, creation of three secondary entrances, relocation of the platform lift; and internal works at lower ground, ground floor and mezzanine levels, including changes in floor level, changes to plan form, removal of some sections of wall, installation of a new staircase and goods lift (linked to 26/00828/FULL)
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.