20 Dean Street London W1D 3RU

1. 24 Aug 2026

   Received by Westminster

2. 17 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 12 November 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 65 days over the applications it decided in the last year.

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.

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.

• 35 Soho Square London W1D 3QX

  25/01819/ADV Submitted 18 Mar 2025 50 yards away

  Temporary display of 1:1 replica facade building wrap on the east elevation incorporating a non-illuminated static advertisement measuring 6.6m x 5.4m (portrait) for a temporary period of six months.

  Refused Advertising 15 docs

• 35 Soho Square London W1D 3QX

  25/07565/FULL Submitted 20 Oct 2025 50 yards away

  External alterations, replacement windows and plant and enclosure and creation of a terrace and associated works

  Decided Full applications Windows or glazing 25 docs

• Ground Floor 35 Soho Square London W1D 3QX

  26/00074/AD7 Submitted 7 Jan 2026 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent board located at ground floor level railings, measuring 0.45m x 0.6m.

  Granted Advertising 10 docs

• 13 - 14 Dean Street London W1D 3RS

  25/07898/FULL Submitted 31 Oct 2025 50 yards away

  Variation of Conditions 1 and 5 of planning permission dated 15 September 2025 (RN: 25/01923/FULL) for, 'Use of part ground (i.e. current garaging at the front northern part) as restaurant floorspace (Class E), alterations to the facade at ground floor level including new shopfront, replacement windows, doors and skylights, installation of plant at rear first floor level and at roof level, and installation of full-height extract ducts to rear elevation of No. 35 Soho Square and to the rear elevation of 13 Dean Street' [SITE INCLUDES 35 SOHO SQUARE]; NAMELY, to allow revised location of smoki (smoke abatement and scrubbing systems) flue duct and acoustic enclosure associated with the commercial kitchen; inclusion of 2x catering condensers on the roof (Dean Street East Elevation); and revised operational hours of plant/machinery to align with the operating hours of the restaurant unit. (Application under Section 73 of the Act).

  Granted Full applications Windows or glazing 15 docs

• 13 - 14 Dean Street London W1D 3RS

  26/02249/ADV Submitted 2 Apr 2026 50 yards away

  84% historically approved · decision due ~28 May

  Display of two non illuminated canopies/signs measuring 0.8m x 5m, 0.8m 4.8m.

  Awaiting decision Advertising 8 docs

• First Floor 13 - 14 Dean Street London W1D 3RS

  26/00073/AD7 Submitted 7 Jan 2026 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent board attached to the front of the building at first floor level and measuring 0.6 x 0.45m.

  Granted Advertising 10 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  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 repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06222/FULL Awaiting decision

  42 - 49 St Martin's Lane London WC2N 4EJ

  Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

  Received 11 Sep, published by the council 21 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  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
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications