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Planning application

11 Baker Street London W1U 3AH

Awaiting decision Westminster 26/03854/FULL Full applications

Works: Extension

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

Proposal

Development and refurbishment of the existing office (Class E) building comprising the replacement of level 07; a two storey upward office extension plus roof terrace and ancillary function room; installation of plant equipment at roof level; facade replacement; re-alignment of the building line at ground floor level; cycle parking; soft landscaping and associated external works.

As published by the council, reference 26/03854/FULL

Application record

Reference
26/03854/FULL
Category
Full applications
Status
Pending
Received
11 Jun 2026
Validated
11 Jun 2026
Postcode
W1U 3AH

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/04506/FULL Awaiting decision

    11 Baker Street London W1U 3AH

    External alterations comprising rear addition to service core at level 07; re-alignment of the building line and alterations to the front facade at ground floor; replacement of plant equipment at roof level; and associated works

    Submitted 7 Jul 2026 Full applications

Timeline

Dates from the published record

  1. 11 Jun 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 6 August 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.

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 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

  • 11 Baker Street London W1U 3AH

    26/04506/FULL Submitted 7 Jul 2026 50 yards away

    88% historically approved · decision due ~1 Sep

    External alterations comprising rear addition to service core at level 07; re-alignment of the building line and alterations to the front facade at ground floor; replacement of plant equipment at roof level; and associated works

    Awaiting decision Full applications 50 docs

  • 16 Baker Street London W1U 3HS

    25/06013/ADV Submitted 22 Aug 2025 50 yards away

    Display of 11 vinyls on the external ground floor windows for a temporary period of one year from 01 September 2025 until 31 August 2026. .

    Granted Advertising Windows or glazing 9 docs

  • 16 Baker Street London W1U 3HS

    26/00698/FULL Submitted 5 Feb 2026 50 yards away

    88% historically approved · decision due ~2 Apr

    Alterations to shopfront.

    Awaiting decision Full applications Windows or glazing 9 docs

  • 16 Baker Street London W1U 3HS

    26/00699/ADV Submitted 5 Feb 2026 50 yards away

    82% historically approved · decision due ~2 Apr

    Display of three halo illuminated and internally illuminated (letters only) fascia signs.

    Awaiting decision Advertising 7 docs

  • 16 Baker Street London W1U 3HS

    26/04707/ADV Submitted 14 Jul 2026 50 yards away

    82% historically approved · decision due ~8 Sep

    Display of two internally illuminated advertisement screens on bus shelter outside 16 Baker Street measuring 2.1m x 1.34m.

    Decided Advertising

  • 96 George Street London W1U 8PB

    26/01403/ADV Submitted 4 Mar 2026 50 yards away

    82% historically approved · decision due ~7 May

    Display of externally applied vinyl advertisements to shopfront windows fronting George Street and Loxton Walk for a temporary period until 30 October 2026.

    Awaiting decision Advertising Windows or glazing 8 docs

In Westminster

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    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications