Ground Floor And Basement 50 Great Portland Street London W1W 7ND

1. 3 Jun 2026

   Received by Westminster

2. 26 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 21 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 66 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 advertisement consent applications in a median of 52 days. More in our guide to how long planning decisions take.

Advertisement consent is judged on two things only: amenity and public safety, not competition or other planning considerations. More in our guide to planning application types.

• 42-48 Great Portland Street London W1W 7LZ

  23/03922/FULL Submitted 12 Jun 2023 50 yards away

  External alterations to the front facade at ground floor including replacement windows, alterations to the doors, installation of external plant and associated equipment on rear rooftop. Installation of 2 external staircase and metal handrail to access plant equipment.

  Granted Full applications Windows or glazing 31 docs

• Development Site At Knighton House 52 - 66 Mortimer Street & 1A Little Titchfield Street & 48 Mortimer Street London W1W 7RR

  07/09083/ADFULL Submitted 18 Oct 2007 50 yards away

  Details of roof plant screens pursuant to Condition 21 of planning permission dated 07 December 2005 (RN: 04/10096).

  Granted Full applications 6 docs

• Development Site At Knighton House 52 - 66 Mortimer Street & 1A Little Titchfield Street & 48 Mortimer Street London W1W 7RR

  06/04104/ADFULL Submitted 26 May 2006 50 yards away

  Details of insulation of flats pursuant to Condition 17 of planning permission dated 7 December 2005 (RN 04/10096).

  Refused Full applications New dwelling 3 docs

• Development Site At Knighton House 52 - 66 Mortimer Street & 1A Little Titchfield Street & 48 Mortimer Street London W1W 7RR

  06/03157/ADFULL Submitted 26 Apr 2006 50 yards away

  Details of concerning fire safety and means of escape pursuant to Condition 18 of planning permission dated 07 December 2005 (RN: 04/10096).

  Withdrawn Full applications 3 docs

• Development Site At Knighton House 52 - 66 Mortimer Street & 1A Little Titchfield Street & 48 Mortimer Street London W1W 7RR

  07/04298/FULL Submitted 16 May 2007 50 yards away

  Variation of condition 16 of planning permission dated 07 December 2005 (RN: 04/10096), namely to alter the location and layout of the parking, access, loading, unloading and manoeuvring areas.

  Granted Full applications 9 docs

• Development Site At Knighton House 52 - 66 Mortimer Street & 1A Little Titchfield Street & 48 Mortimer Street London W1W 7RR

  07/04308/FULL Submitted 16 May 2007 50 yards away

  Variation of condition 15 of planning permission dated 07 December 2005 (RN: 04/10096), namely to alter the location and layout of bicycle parking provision

  Granted Full applications 9 docs

• 26/06444/ADV Awaiting decision

  107 Long Acre London WC2E 9NT

  Display of an internally illuminated (backlit letters only) projecting sign measuring 0.60m x 0.77m on the Neal Street elevation. [Split decision].

  21 Sep 2026 Advertising
• 26/06296/ADV Awaiting decision

  15 Warwick Way London SW1V 1QT

  Display of Individual soft halo externally illuminated individual brass letters on fascia. Display of externally illuminated hanging sign measuring 40mm x 40mm, including Gilded vinyl decal.

  Received 15 Sep, published by the council 17 Sep 2026 Advertising
• 26/06070/ADV Granted

  36 Shepherd Market London W1J 7QR

  Display of non-illuminated screen-printed signage to the fabric and valance of retractable canvas awning.

  Received 7 Sep, published by the council 11 Sep 2026 Advertising
• 26/06304/ADV Awaiting decision

  10 Piccadilly London W1J 0DD

  Display of an externally illuminated advertising area measuring 7.4m x 10.1m and a 1:1 printed image of the building for a temporary period of 15 months.

  Received 15 Sep, published by the council 22 Sep 2026 Advertising
• 26/05573/ADV Decided

  1 The Piazza Covent Garden London WC2E 8HB

  Display of two platforms measuring 13.6m x 3.6m x 2.263m and 14.61m x 3.6m x 2.263m each featuring three internally illuminated sculptures for a temporary period from 16 October 2026 to 6 January 2027.

  Received 17 Aug, published by the council 22 Aug 2026 Advertising