Planning application
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Works: Extension
Relates to 25/09255/LBC
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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
Application record
- Reference
- 25/09254/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 22 Dec 2025
- Validated
- 22 Dec 2025
- Ward
- St James's
- Postcode
- SW1A 2DD
Site history
Applications at this address on the Westminster register
This site has had 6 applications since 2025.
-
26/07494/ADFULL Awaiting decision
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Details of Circular Economy details, and an updated version of the Whole Life Carbon Assessment pursuant to conditions 12, 13 of planning permission dated 15th June 2026 (RN 25/09254/FULL)
-
26/06168/ADV Decided
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Display of non illuminated printed stretched vinyl measuring 92.8m x 21.7m, with two 9.5m X 5.5m inset advertising areas.
-
26/05876/ADV Decided
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Display of a non-illuminated scaffold shroud comprising a 1:1 scale reproduction of the principal facade and two inset advertisement panels, each measuring 10m x 6m for temporary period from 31 October 2026 until 01 April 2028.
-
26/05447/ADFULL Awaiting decision
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Detailed site investigation and details of a written scheme of investigation pursuant to condition 7 and 28 of planning permission dated 15th June 2026 (RN: 25/09254/FULL)
-
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]
Timeline
Dates from the published record
-
22 Dec 2025
Received by Westminster
-
20 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 February 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 91 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
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]
3 later applications on the register refer to this one:
-
26/07494/ADFULL Awaiting decision
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Details of Circular Economy details, and an updated version of the Whole Life Carbon Assessment pursuant to conditions 12, 13 of planning permission dated 15th June 2026 (RN 25/09254/FULL)
-
26/05447/ADFULL Awaiting decision
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
Detailed site investigation and details of a written scheme of investigation pursuant to condition 7 and 28 of planning permission dated 15th June 2026 (RN: 25/09254/FULL)
-
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]
Who's behind it
Company information only, from the register and Companies House
Centro Planning Consultancy Agent, a planning consultancy
131 applications on PlanIndex · across 14 councils · 85% 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
75 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 full applications in a median of 119 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
90% historically approved · decision due ~16 Feb
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]
Awaiting decision Heritage and listed buildings Extension 49 docs -
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
89% historically approved · decision due ~20 Oct
Detailed site investigation and details of a written scheme of investigation pursuant to condition 7 and 28 of planning permission dated 15th June 2026 (RN: 25/09254/FULL)
Awaiting decision -
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
89% historically approved · decision due ~29 Dec
Details of Circular Economy details, and an updated version of the Whole Life Carbon Assessment pursuant to conditions 12, 13 of planning permission dated 15th June 2026 (RN 25/09254/FULL)
Awaiting decision -
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
82% historically approved · decision due ~22 Oct
Display of a non-illuminated scaffold shroud comprising a 1:1 scale reproduction of the principal facade and two inset advertisement panels, each measuring 10m x 6m for temporary period from 31 October 2026 until 01 April 2028.
Decided Advertising 4 docs -
Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD
82% historically approved · decision due ~4 Nov
Display of non illuminated printed stretched vinyl measuring 92.8m x 21.7m, with two 9.5m X 5.5m inset advertising areas.
Decided Advertising -
Basement And Ground Floor 7 Whitehall London SW1A 2DD
Display of an externally illuminated hanging sign measuring 0.63m X 0.63m
Refused Advertising 17 docs
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