3 Chester Square Mews London SW1W 9DS

This site has had 2 applications since 2026.

• 26/03261/ADFULL Awaiting decision

  3 Chester Square Mews London SW1W 9DS

  Details showing the provision of electric vehicle charging facilities, available for use within the garage, detailed drawings (elevations and sections at a scale of 1:10 or 1:20) of the construction and window details of the new dormers to the mews, new garage doors and new window and door to the ground floor mews elevation and details of how waste is to be stored on site and how materials for recycling will be stored separately pursuant to condition 4, 8 and 9 of planning permission dated 23rd January 2025 (RN:24/08100/FULL)

  Submitted 18 May 2026 Full applications

1. 18 May 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 64 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided condition discharge and variation applications in a median of 43 days. More in our guide to how long planning decisions take.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 3 Chester Square Mews London SW1W 9DS

  26/03261/ADFULL Submitted 18 May 2026 0m away

  87% historically approved · decision due ~13 Jul

  Details showing the provision of electric vehicle charging facilities, available for use within the garage, detailed drawings (elevations and sections at a scale of 1:10 or 1:20) of the construction and window details of the new dormers to the mews, new garage doors and new window and door to the ground floor mews elevation and details of how waste is to be stored on site and how materials for recycling will be stored separately pursuant to condition 4, 8 and 9 of planning permission dated 23rd January 2025 (RN:24/08100/FULL)

  Awaiting decision Full applications Loft or dormer Windows or glazing 11 docs

• 81 Chester Square London SW1W 9DP

  23/04554/CLOPUD Submitted 4 Jul 2023 10m away

  Re-routing soil pipe within lower ground floor ceiling; creation of a new bulkhead to contain soil pipe and ventilation pipes internally; and new opening in the facade for soil pipe to exit the building.

  Granted Lawful development 11 docs

• 79 Chester Square London SW1W 9DU

  26/02993/ADFULL Submitted 7 May 2026 21m away

  87% historically approved · decision due ~2 Jul

  Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 5 (part iii) of planning permission dated 5th January 2023 (RN 22/05927/FULL)

  Awaiting decision Full applications 4 docs

• 33 Lower Belgrave Street London SW1W 0LS

  26/04617/FULL Submitted 10 Jul 2026 23m away

  87% historically approved · decision due ~4 Sep

  Replacement front, rear and side elevation windows with double glazed timber sashes and main entrance door with solid timber door with double glazed fan light.

  Decided Full applications Windows or glazing

• 33 Lower Belgrave Street London SW1W 0LS

  25/07453/FULL Submitted 15 Oct 2025 29m away

  Removal of a rear window between ground and first floor level. (Retrospective)

  Granted Full applications Windows or glazing 27 docs

• 77 Chester Square London SW1W 9DY

  25/05160/TCA Submitted 24 Jul 2025 32m away

  1 x London plane T1: Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Remove advanced epicormic trunk growth. Tip thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x London plane T2: Tip thin regrowth from previous reduction points by 10 to 15% to leave an even canopy density (small diameter branches only). 1 x London plane T3: Crown lift by two metres. Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Crown thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x London plane T4: Crown lift by two metres. Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Crown thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x London plane T5: Remove branch overhanging garden and emanating from trunk at about 10m above ground level. Crown lift by two metres. Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Crown thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x evergreen Magnolia T6: Reduce height and lateral spread over garden by up to 1m to create a more compact and conical shape. Prune back selected branches from elevation of house to create clearance of up to 0.5m.

  Granted Trees 2 docs

• 26/04860/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

  20 Jul 2026 Conditions
• 26/04843/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

  20 Jul 2026 Conditions
• 26/05026/ADLBC Awaiting decision

  St James's Park The Mall London SW1A 1AA

  Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

  27 Jul 2026 Conditions
• 26/04850/ADLBC Awaiting decision

  17 Belgrave Square London SW1X 8PG

  Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

  20 Jul 2026 Conditions
• 25/07120/ADLBC Granted

  72 - 74 Lancaster Gate London W2 3NH

  Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

  2 Oct 2025 Conditions