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

  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

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications