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
• 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
• 04/02771/ADV Refused

  23 Portland Place London W1B 1PZ

  Display of flagpole and flag.

  Decided 1 Jun 2004 Advertising

1. 21 Feb 2006

   Received by Westminster

2. 13 Mar 2006

   Validated

   Checked as complete and ready for consideration.

3. 5 May 2006

   Decision issued: Application Permitted

4. 18 Sep 2026

   Added to PlanIndex

Westminster granted permission on 5 May 2006, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 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

  04/02771/ADV Submitted 8 Apr 2004 50 yards away

  Display of flagpole and flag.

  Refused Advertising 5 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

  87% 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

• 26/06295/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
• 26/06234/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
• 26/03576/FULL Decided

  15A Devonshire Terrace London W2 3DW

  Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

  Received 1 Jun, published by the council 11 Sep 2026 Full applications