29A James Street Marylebone High Street London W1U 1DZ

1. 11 Feb 2026

   Received by Westminster

2. 3 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 28 April 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 90 days over the applications it decided in the last year.

1 later application on the register refers to this one:

• 26/04621/ADV Decided

  29A James Street Marylebone London W1U 1DZ

  Display of two externally illuminated fascia signs each measuring 0.48m x 2.4m (Linked app: 26/00843/FULL)

  Submitted 10 Jul 2026 Advertising

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.

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.

• 29A James Street Marylebone London W1U 1DZ

  26/04621/ADV Submitted 10 Jul 2026 50 yards away

  82% historically approved · decision due ~14 Dec

  Display of two externally illuminated fascia signs each measuring 0.48m x 2.4m (Linked app: 26/00843/FULL)

  Decided Advertising

• 29A James Street Marylebone London W1U 1DZ

  26/04038/FULL Submitted 18 Jun 2026 50 yards away

  88% historically approved · decision due ~1 Oct

  Installation of an air handling unit within the basement lightwell on the Picton Place elevation, installation of a cold room condenser unit and two condenser units within the rear plant area, replacement of the rear kitchen extract ductwork, installation of an acoustic enclosure and associated alterations. (Revised description of development)

  Awaiting decision Full applications

• 29A James Street Marylebone London W1U 1DZ

  26/06782/FULL Submitted 5 Oct 2026 50 yards away

  88% historically approved · decision due ~30 Nov

  Alterations to the existing shopfronts along the front and side elevations.

  Awaiting decision Full applications

• 40 James Street Marylebone High Street London W1U 1EU

  25/08869/ADV Submitted 5 Dec 2025 50 yards away

  Oval shaped brass plate with engraved lettering displaying the name of the restaurant Ermou Externally illuminated by wall sconces.

  Granted Advertising 7 docs

• 40 James Street Marylebone London W1U 1EU

  25/08870/FULL Submitted 5 Dec 2025 50 yards away

  Redecoration of the ground floor shopfront; installation of marble cladding of stall riser to pilasters and new awnings.

  Decided Full applications Windows or glazing 12 docs

• Basement And Ground Floor 28 James Street Marylebone High Street London W1U 1EW

  26/01611/FULL Submitted 11 Mar 2026 50 yards away

  88% historically approved · decision due ~6 May

  Removal of an existing timber frame bi-fold window and installation of a timber frame sash window to the shop front.

  Awaiting decision Full applications Windows or glazing 10 docs

• 26/06234/FULL Decided

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/07403/FULL Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07404/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07415/FULL Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 (Use Class C3) to form one single dwelling (Use Class C3) including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces, new plant and other associated works. (Linked with 26/07416/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07397/FULL Awaiting decision

  8 Mortimer Street London W1T 3JJ

  External alterations at level six including the installation of a screen, additional access doors and revised lighting. 2 Fitzroy Place (8 Mortimer Street)

  Received 29 Oct, published by the council 3 Nov 2026 Full applications
• 26/07401/FULL Awaiting decision

  82 Jermyn Street London SW1Y 6JD

  Use of the ground floor unit as a drinking establishment (Sui Generis).

  Received 29 Oct, published by the council 3 Nov 2026 Full applications