21 Portland Place London W1B 1PY

1. 11 Nov 2020

   Received by Westminster

2. 23 Nov 2020

   Validated

   Checked as complete and ready for consideration.

3. 5 Jan 2021

   Decision issued: Application Permitted

4. 4 Sep 2026

   Added to PlanIndex

Westminster granted permission on 5 January 2021, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 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

• 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

• 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

• 26/07316/LBC Awaiting decision

  30 Inverness Terrace London W2 3JA

  Relocation of air conditioning units throughout to the lower ground floor lightwells within aluminium enclosure; replacement of all pipes with cast iron pipes; alteration to balconies including replacement of UPVC door with original door arrangement and replacement railing; reopening of previously infilled windows; replacement marble tiles at hallway of No.32 with Victorian floor tiles; replacement of all doors facing the communal staircase with the correct period style doors; removal of red clay tile leanto roof at first floor rear and the roof made good; removal of link bridges to the rear of the second floor and the rear of the third floor; and reopening of previously infilled windows to the stairs lobby at ground, first and second floor to No.30. (Linked with 26/07315/FULL)

  Received 26 Oct, published by the council 27 Oct 2026 Heritage and listed buildings
• 26/06919/LBC Decided

  43 Berkeley Square London W1J 5AP

  Replacement glazing to the roof lantern.

  Received 9 Oct, published by the council 15 Oct 2026 Heritage and listed buildings
• 26/07223/LBC Awaiting decision

  Paddington Station Praed Street London W2 1HB

  Installation of a new louvred enclosure, with access doors, across the entrance to the under-croft area.

  Received 22 Oct, published by the council 26 Oct 2026 Heritage and listed buildings
• 26/07253/LBC Awaiting decision

  Old Admiralty Building Spring Gardens London SW1A 2AH

  Removal and appropriate disposal of all doors (including both asbestos-containing and non-asbestos items).

  Received 22 Oct, published by the council 27 Oct 2026 Heritage and listed buildings
• 26/07202/LBC Awaiting decision

  Basement East And Ground Floor And First Floor 33 Weymouth Street London W1G 7BY

  Replacement of 13 doorsets with fire doors.

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings