18 Clarendon Gardens London W9 1AZ

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/05485/LBC Granted

  18 Clarendon Gardens London W9 1AZ

  Internal alterations at lower ground floor level of maisonette apartment, including removal of non-original stud partition forming a lobby, replacement of non-original double door with new single door, and installation of a new bathroom.

  Decided 22 Aug 2025 Heritage and listed buildings

1. 26 Nov 2025

   Received by Westminster

2. 12 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 13 Mar 2026

   Decision issued: Application Permitted

4. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 13 March 2026, 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.

• 18 Clarendon Gardens London W9 1AZ

  25/05485/LBC Submitted 5 Aug 2025 50 yards away

  Internal alterations at lower ground floor level of maisonette apartment, including removal of non-original stud partition forming a lobby, replacement of non-original double door with new single door, and installation of a new bathroom.

  Granted Heritage and listed buildings 14 docs

• 19 Randolph Avenue London W9 1BH

  26/03036/FULL Submitted 8 May 2026 50 yards away

  88% historically approved · decision due ~3 Jul

  Replacement of the existing rear single-storey conservatory with a two-storey glazed infill extension and roof terrace above; removal of terrace and extension of the existing closet wing, minor enlargement of the bin store beneath the front approach path and steps and installation of lightweight lean-to; installation of heritage conservation roof windows; replacement of all windows with traditional double glazed timber units and installation of an air conditioning unit in the front lightwell and installation of railings.

  Awaiting decision Full applications Extension Windows or glazing 31 docs
  Small domestic

• Upper Maisonette 22 Clarendon Gardens London W9 1AZ

  26/04311/LBC Submitted 30 Jun 2026 50 yards away

  90% historically approved · decision due ~25 Aug

  Internal alterations to second floor.

  Awaiting decision Heritage and listed buildings 4 docs

• 1 Randolph Avenue London W9 1BH

  26/06332/ADFULL Submitted 16 Sep 2026 50 yards away

  89% historically approved · decision due ~11 Nov

  Details of the extension foundations, including details of any backfill material if the existing foundations are removed; pursuant to condition 5 of planning permission dated 22nd July 2025 (25/01812/FULL)

  Awaiting decision Extension

• 1 Randolph Avenue London W9 1BH

  25/08237/ADFULL Submitted 11 Nov 2025 50 yards away

  Details of a method statement explaining the measures you will take to protect the trees on and close to the site pursuant to condition 6 of planning permission dated 4th August 2025 (RN:25/02632/FULL)

  Granted Full applications Trees 10 docs

• 37 Clifton Gardens London W9 1AR

  25/08368/FULL Submitted 17 Nov 2025 50 yards away

  Installation of new Air Source Heat Pump system with two external units located on the main roof within acoustic enclosures.

  Refused Full applications 24 docs

• 26/05473/LBC Decided

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

  Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/07416/LBC Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 to form one single dwelling including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces. Together with the removal and alteration of modern partitions, roof replacement, rebuilding of the roof terrace, addition of a new staircase, structural works, new window openings, and other associated works. (Linked with 26/07415/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07404/LBC Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07403/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07390/LBC Awaiting decision

  40 Wigmore Street London W1U 2RX

  Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

  29 Oct 2026 Heritage and listed buildings
• 26/07372/LBC Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07371/FULL)

  Received 28 Oct, published by the council 2 Nov 2026 Heritage and listed buildings