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Planning application

Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

Awaiting decision Westminster 26/05447/ADFULL

Relates to 25/09254/FULL

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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)

As published by the council, reference 26/05447/ADFULL

Application record

Reference
26/05447/ADFULL
Status
Pending
Received
10 Aug 2026
Validated
25 Aug 2026
Postcode
SW1A 2DD

Site history

Applications at this address on the Westminster register

This site has had 5 applications since 2025.

  • 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.

    Submitted 9 Sep 2026 Advertising
  • 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.

    Submitted 27 Aug 2026 Advertising
  • 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]

    Submitted 22 Dec 2025 Heritage and listed buildings
  • 25/09254/FULL 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 25/09255/LBC]

    Submitted 22 Dec 2025 Full applications

Timeline

Dates from the published record

  1. 10 Aug 2026

    Received by Westminster

  2. 25 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 28 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 20 October 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.

Cases linked to this one on the register

  • 25/09254/FULL 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 25/09255/LBC]

    Submitted 22 Dec 2025 Full applications

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 86 days. More in our guide to how long planning decisions take.

About this record

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles

  • Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

    26/05876/ADV Submitted 27 Aug 2026 50 yards away

    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

    26/06168/ADV Submitted 9 Sep 2026 50 yards away

    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

  • Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

    25/09255/LBC Submitted 22 Dec 2025 50 yards away

    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

  • Basement And Ground Floor 7 Whitehall London SW1A 2DD

    25/07244/ADV Submitted 7 Oct 2025 50 yards away

    Display of an externally illuminated hanging sign measuring 0.63m X 0.63m

    Refused Advertising 17 docs

  • Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

    25/09254/FULL Submitted 22 Dec 2025 50 yards away

    88% 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 25/09255/LBC]

    Awaiting decision Full applications Extension 75 docs

  • Basement And Ground Floor 7 Whitehall London SW1A 2DD

    26/03559/ADV Submitted 1 Jun 2026 50 yards away

    82% historically approved · decision due ~26 Aug

    (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.

    Awaiting decision Advertising 12 docs