47 Chester Square London SW1W 9EA

This site has had 18 applications since 2025.

• 26/05757/LBC Decided

  47 Chester Square London SW1W 9EA

  Investigation of dampness and damp-proofing / waterproofing works to the lower ground floor.

  Submitted 21 Aug 2026 Heritage and listed buildings
• 26/05730/ADFULL Decided

  47 Chester Square London SW1W 9EA

  Detailed drawings and a bio-diversity management plan in relation to the green roof, pursuant to condition 13 of planning permission dated 11th June 2026 (25/08223/FULL)

  Submitted 21 Aug 2026
• 26/05370/ADFULL Decided

  47 Chester Square London SW1W 9EA

  Details of facing materials pursuant to condition 4 of planning permission dated 02 June 2026 (RN: 25/08223/FULL)

  Submitted 7 Aug 2026
• 26/05365/ADLBC Decided

  47 Chester Square London SW1W 9EA

  Details of facing materials pursuant to condition 3 of listed building consent dated 02 June 2026 (RN: 25/08226/LBC)

  Submitted 7 Aug 2026
• 26/04756/LBC Awaiting decision

  47 Chester Square London SW1W 9EA

  Rebuilding of the rear of the top floor mansard roof to the main house, with dormer windows, and new monopitch rooflight to the stairwell below; removal of awning to the closet wing and parapet raised by four brick courses to match existing height, with Portland Stone coping added; re-route downpipes to rear elevation of main house; amended detailed design of glazed link; enlarge front door to Ebury Mews entrance; addition of flues above roof to the mews house; strengthening to existing floor joists where required within main house; improvements to building services. (Linked with 26/04763/NMA)

  Submitted 16 Jul 2026 Heritage and listed buildings
• 26/04763/NMA Awaiting decision

  47 Chester Square London SW1W 9EA

  Amendments to planning permission dated 11 June 2026 (25/08223/FULL) for: demolition of No 47 Ebury Mews and the erection of a two-storey replacement mews building with new basement level. Alterations and refurbishment to No. 47 Chester Square including demolition of modern rear additions, reinstatement of lower ground floor lightwell to the rear and extension of existing lower ground floor. Construction of ground floor link from 47 Chester Square to 47 Ebury Mews, consolidation of amenity courtyard at ground floor level, other internal and external works of refurbishment to 47 Chester Square namely, to allow alterations to link structure between the main house and mews design, and the rear roof profile to the main house. (Linked with 26/04756/LBC)

  Submitted 16 Jul 2026 Amendments
• 26/04685/ADFULL Decided

  47 Chester Square London SW1W 9EA

  Details of the front entrance to be simplified to reflect a more traditional modest mews style and the existing entrance pursuant to condition 16 of planning permission dated 11 June 2026 (RN: 25/08223/FULL).

  Submitted 14 Jul 2026
• 26/04684/ADFULL Decided

  47 Chester Square London SW1W 9EA

  Details of an updated site waste management plan Condition 5b of planning permission dated 11 June 2026 (RN: 25/08223/FULL).

  Submitted 14 Jul 2026
• 26/04643/ADLBC Decided

  47 Chester Square London SW1W 9EA

  Details of the front entrance to be simplified to reflect a more traditional modest mews style and the existing entrance pursuant to condition 8 of listed building consent dated 11 June 2026 (RN: 25/08226/LBC).

  Submitted 10 Jul 2026
• 26/02962/ADFULL Awaiting decision

  47 Chester Square London SW1W 9EA

  Details of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to discharge of condition 4 of planing permission dated 10th September 2025 (RN: 24/05476/LBC). Linked to 26/02877/ADLBC

  Submitted 6 May 2026 Full applications

1. 7 Nov 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 2 January 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 65 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 full applications in a median of 91 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 47 Chester Square London SW1W 9EA

  26/00891/ADFULL Submitted 12 Feb 2026 50 yards away

  87% historically approved · decision due ~9 Apr

  Details of signed Appendix A pursuant to Condition 9 of planning permission dated 10 September 2025 (RN24/05375/FULL)

  Awaiting decision Full applications 4 docs

• 60 Chester Square London SW1W 9EA

  26/01153/ADFULL Submitted 24 Feb 2026 50 yards away

  Details of CCTV fixtures showing their design, size and position, and relationship with existing architectural detailing and dormers pursuant to condition 4 parts 1 and 3 and, photo sample of roofing slate pursuant to part-discharge of condition 5 of planning permission dated 11th November 2025 (RN: 25/06259/FULL).

  Refused Full applications Loft or dormer 15 docs

• 47 Chester Square London SW1W 9EA

  26/02962/ADFULL Submitted 6 May 2026 50 yards away

  87% historically approved · decision due ~1 Jul

  Details of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to discharge of condition 4 of planing permission dated 10th September 2025 (RN: 24/05476/LBC). Linked to 26/02877/ADLBC

  Awaiting decision Full applications Windows or glazing 6 docs

• 47 Chester Square London SW1W 9EA

  26/02877/ADLBC Submitted 1 May 2026 50 yards away

  90% historically approved · decision due ~1 Jul

  Details of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to discharge of condition 3 of listed building consent dated 10th September 2025 (RN: 24/05476/LBC). Linked to 26/02962/ADFULL

  Awaiting decision Conditions Windows or glazing 7 docs

• 54 Chester Square London SW1W 9EA

  26/01509/ADFULL Submitted 9 Mar 2026 50 yards away

  Detailed drawings of new infill roof and boundary wall trellis pursuant to Condition 4 of planning permission dated 20th February 2026 (RN: 25/08369/FULL).

  Granted Full applications Extension 14 docs
  Small domestic

• 54 Chester Square London SW1W 9EA

  26/01612/ADLBC Submitted 9 Mar 2026 50 yards away

  90% historically approved · decision due ~6 May

  Detailed drawings of new infill roof, boundary wall / trellis pursuant to condition 4 of listed building consent dated 20th February 2026 (RN: 25/08370/LBC). Linked to 26/01509/ADFULL.

  Awaiting decision Conditions Extension 11 docs
  Small domestic

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/03576/FULL Decided

  15A Devonshire Terrace London W2 3DW

  Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

  Received 1 Jun, published by the council 11 Sep 2026 Full applications