31 Chester Street London SW1X 7BL

1. 12 Feb 2026

   Received by Westminster

2. 23 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Jun 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 22 June 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.

• 4 Chester Street London SW1X 7BB

  20/06906/FULL Submitted 30 Oct 2020 50 yards away

  Variation of Condition 1 of planning permission dated 31 Janurary 2017 (RN: 16/11228/FULL) for the: Construction of a full width extension at rear lower ground and half width extension at upper ground floor level ; replacement of timber steps to front lightwell with metal steps, new door to front lightwell and lowering part of the vaults floor; replacement of existing rooflight with larger frameless double-glazed rooflight and one new rooflight at main roof level; replacement of doors at rear upper ground floor with a new window; and external renovation and repair works. Namely, to allow the removal of low wall to the rear terrace at first-floor level and replace with black painted railings.

  Granted Full applications Extension Loft or dormer +1 13 docs

• 12 Chester Street London SW1X 7BB

  26/02886/LBC Submitted 1 May 2026 50 yards away

  90% historically approved · decision due ~26 Jun

  Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new; and alterations to French door width at rear first floor level.

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 12 docs

• 12 Chester Street London SW1X 7BB

  26/01507/FULL Submitted 9 Mar 2026 50 yards away

  87% historically approved · decision due ~4 May

  Variation of condition 1 of planning permission dated 24th July 2025 (RN 24/05883/FULL) for the Excavation of a new basement level. Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new. NAMELY, to omit the approved basement and minor amendments to the upper floors.

  Awaiting decision Full applications Extension Loft or dormer +1 17 docs

• 9 Little Chester Street London SW1X 7AL

  26/00916/ADFULL Submitted 13 Feb 2026 50 yards away

  87% historically approved · decision due ~10 Apr

  Details plans and elevations of all new external doors, windows and rooflights pursuant to condition 5 of planning permission dated 31 July 2024 (RN: 23/07308/FULL)

  Awaiting decision Full applications Loft or dormer Windows or glazing 5 docs

• 33 Grosvenor Place London SW1X 7HY

  26/05233/ADFULL Submitted 3 Aug 2026 50 yards away

  89% historically approved · decision due ~28 Sep

  Detailed Operational Management Plan; pursuant to condition 25 of planning permission dated 3rd April 2017 (RN 16/08369/FULL)

  Awaiting decision

• 33 Grosvenor Place London SW1X 7HY

  26/05848/MOD106 Submitted 5 Aug 2026 50 yards away

  89% historically approved · decision due ~29 Oct

  Deed of Variation to the S106 agreement (as amended) attached to planning permission dated 3 April 2017 (RN:16/08369/FULL) relating to parking spaces to be provided.

  Awaiting decision

• 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