23 Portland Place London W1B 1PZ

This site has had 4 applications since 2004: 3 approved, 1 refused.

• 06/01816/FULL Granted

  23 Portland Place London W1B 1PZ

  Installation of stone ramp and handrails on the Portland Place entrance. Retention of an air handling unit, relocation of four condensers, removal of redundant chillers and replacement with two new chillers all behind existing dummy mansard screen at roof level.

  Decided 16 Jun 2006 Full applications
• 06/01325/FULL Granted

  23 Portland Place London W1B 1PZ

  Installation of a full height boiler flue within the existing lightwell to roof level.

  Decided 5 May 2006 Full applications
• 04/07517/FULL Granted

  23 Portland Place London W1B 1PZ

  Installation of nine air conditioning units at roof level all behind existing louvered screens.

  Decided 16 Nov 2004 Full applications

1. 8 Apr 2004

   Received by Westminster

2. 1 Jun 2004

   Decision issued: Application Refused

3. 18 Sep 2026

   Added to PlanIndex

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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.

• 23 Portland Place London W1B 1PZ

  04/07517/FULL Submitted 22 Sep 2004 50 yards away

  Installation of nine air conditioning units at roof level all behind existing louvered screens.

  Granted Full applications 9 docs

• 23 Portland Place London W1B 1PZ

  06/01816/FULL Submitted 8 Mar 2006 50 yards away

  Installation of stone ramp and handrails on the Portland Place entrance. Retention of an air handling unit, relocation of four condensers, removal of redundant chillers and replacement with two new chillers all behind existing dummy mansard screen at roof level.

  Granted Full applications Loft or dormer 13 docs

• 23 Portland Place London W1B 1PZ

  06/01325/FULL Submitted 21 Feb 2006 50 yards away

  Installation of a full height boiler flue within the existing lightwell to roof level.

  Granted Full applications 13 docs

• 21 Portland Place London W1B 1PY

  20/07208/LBC Submitted 11 Nov 2020 50 yards away

  Replacement of lift and increase the width of the existing lift entrances to enable wheelchair access.

  Granted Heritage and listed buildings 24 docs

• 21 Duchess Mews London W1G 9DY

  07/08053/LBC Submitted 13 Sep 2007 50 yards away

  Internal alterations to the kitchen, ground floor WC and first floor bathroom.

  Granted Heritage and listed buildings 12 docs

• 19 Portland Place London W1B 1PX

  24/05814/ADFULL Submitted 21 Aug 2024 50 yards away

  88% historically approved · decision due ~16 Oct

  Details of welsh slate, junctions of secondary slope to existing slope and top edge termination and specification of conservation rooflight pursuant to Condition 5 of planning permission dated 27 June 2024 (RN23/05916/FULL) (Linked Installation air conditioning units at roof level within plant enclosure; secondary glazing to all windows; replacement of two doors with fire-rated matching doors; and works to fire proof existing doors and the installation of a partition to the existing vault to fire proof a lift motor. (Linked with 24/05961/ADLBC)

  Awaiting decision Full applications Loft or dormer Windows or glazing 8 docs

• 26/07474/ADV Awaiting decision

  456 - 459 Strand London WC2R 0RG

  Display of non illuminated fascia sign measuring 4.3m X 0.9m, 5.1m X 0.9m, externally illuminated fascia sign 4.5m X 0.9m, externally illuminated projecting sign 0.8m X 0.65m, non illuminated 3mm vinyl measuring 2m X 2.6m, 0.8m X 1.7m and internally illuminated New digital/connected Screen 0.8m X 1.6m

  Received 3 Nov, published by the council 6 Nov 2026 Advertising
• 26/07436/ADV Awaiting decision

  Unit 1 123 Bayswater Road London W2 3JH

  Display of 2 x externally illuminated fascias signs each measuring 0.335m x 1.00m.

  Received 2 Nov, published by the council 5 Nov 2026 Advertising
• 26/07441/ADV Awaiting decision

  2 Charing Cross Road London WC2H 0HH

  Display of externally illuminated hanging sign measuring 10.34m X 2.9m and externally illuminated festoon lights cable measuring 0.04m X 7.5m

  Received 2 Nov, published by the council 5 Nov 2026 Advertising
• 26/07429/ADV Awaiting decision

  24 - 25 Mount Street London W1K 2RR

  Display of Christmas decorations to the front facade at ground floor level for a temporary period from 18 December 2026 to 9 January 2027.

  Received 2 Nov, published by the council 4 Nov 2026 Advertising
• 26/07439/ADV Awaiting decision

  5 - 6 Leicester Square London WC2H 7NA

  Display of internally illuminated fascia sign measuring 3.25m X 1.132m and 14.5m X 1.132m

  Received 2 Nov, published by the council 5 Nov 2026 Advertising