1 Chester Row London SW1W 9JF

1. 12 Dec 2025

   Received by Westminster

2. 26 Mar 2026

   Decision issued: Application Permitted

3. 29 Jul 2026

   Added to PlanIndex

Westminster granted permission on 26 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.

• 1B Chester Row London SW1W 9JF

  26/04485/FULL Submitted 6 Jul 2026 50 yards away

  87% historically approved · decision due ~31 Aug

  New basement extension (under the rear half of the building) to enlarge the existing basement (beneath the front half of the building), including creation of a new lightwell along the rear of the building.

  Awaiting decision Full applications Extension 31 docs

• 1B Chester Row London SW1W 9JF

  25/05281/FULL Submitted 29 Jul 2025 50 yards away

  Extension at rear roof level, relocation of existing plant enclosure, simplification of roofscape including new roof maintenance access hatch.

  Granted Full applications Extension Roofing 27 docs

• First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

  25/07677/FULL Submitted 23 Oct 2025 50 yards away

  Installation of replacement sashes (double glazed) within the existing box frames to the front and rear at first floor level and associated works.

  Granted Full applications Windows or glazing 15 docs

• First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

  25/07678/LBC Submitted 23 Oct 2025 50 yards away

  Installation of replacement sashes (double glazed) within the existing box frames to the front and rear at first floor level and associated works. (Linked with 25/07677/FULL)

  Granted Heritage and listed buildings Windows or glazing 10 docs

• First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

  26/01481/ADFULL Submitted 9 Mar 2026 50 yards away

  Detailed drawings (including sections) of the replacement windows pursuant to Condition 4 of planning permission dated 19 February 2026 (25/07677/FULL).

  Granted Full applications Windows or glazing 6 docs

• First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ

  26/01482/ADLBC Submitted 9 Mar 2026 50 yards away

  Detailed drawings (including sections) of the replacement windows pursuant to Condition 3 of listed building consent dated 19 February 2026 (25/07678/LBC).

  Granted Conditions Windows or glazing 6 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

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