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Planning application

Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

Awaiting decision Westminster 25/09254/FULL Full Planning Permission Application

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 5 applications since 2025.

  • 26/06168/ADV Awaiting decision

    Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

    Display of non illuminated printed stretched vinyl measuring 10m X 6m, 92.8m x 21.7m, and 10m X 6m with 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
  • 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)

    Submitted 10 Aug 2026
  • 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

Timeline

Dates from the published record

  1. 22 Dec 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. 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 66 days over the applications it decided in the last year.

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]

    Submitted 22 Dec 2025 Heritage and listed buildings

2 later applications on the register refer to this one:

  • 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)

    Submitted 10 Aug 2026
  • 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

Who's behind it

Company information only, from the register and Companies House

Centro Planning Consultancy Agent, a planning consultancy

124 applications on PlanIndex · across 14 councils · 87% 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 record

Documents

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 documents

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 decided full applications in a median of 91 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

    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

  • Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

    26/05447/ADFULL Submitted 10 Aug 2026 50 yards away

    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

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

    84% 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

    84% historically approved · decision due ~4 Nov

    Display of non illuminated printed stretched vinyl measuring 10m X 6m, 92.8m x 21.7m, and 10m X 6m with inset advertising areas.

    Awaiting decision Advertising

  • Basement And Ground Floor 7 Whitehall London SW1A 2DD

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

    84% historically approved · decision due ~5 Jan

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

    Awaiting decision Advertising 11 docs

  • Basement And Ground Floor 7 Whitehall London SW1A 2DD

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

    84% 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

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications