17 Chapel Street London SW1X 7BY

This site has had 9 applications since 2025: 0 approved, 1 refused.

• 26/04885/LBC Awaiting decision

  17 Chapel Street London SW1X 7BY

  Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over and associated internal alterations (Linked with 26/04162/NMA)

  Submitted 21 Jul 2026 Heritage and listed buildings
• 26/04162/NMA Awaiting decision

  17 Chapel Street London SW1X 7BY

  Amendments to planning permission dated 24 July 2025 (25/01676/FULL) for: Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over namely; to allow alterations to floor plans; reduction in number of roof lights in rear extension, from two to one; maintenance access hatch in main roof (Linked with 26/04885/LBC)

  Submitted 23 Jun 2026 Amendments
• 26/03892/LBC Awaiting decision

  17 Chapel Street London SW1X 7BY

  Erection of timber glazed orangery extension to existing first floor rear terrace and associated internal alterations. (Linked with 26/03891/FULL)

  Submitted 15 Jun 2026 Heritage and listed buildings
• 26/03891/FULL Awaiting decision

  17 Chapel Street London SW1X 7BY

  Erection of timber glazed orangery extension to existing first floor rear terrace. (Linked with 26/03892/LBC)

  Submitted 15 Jun 2026 Full applications
• 26/01389/ADFULL Awaiting decision

  17 Chapel Street London SW1X 7BY

  Details of windows and doors pursuant to Condition 4 of planning permission dated 24 July 2025 (RN: 25/01676/FULL). [Linked to 26/01476/ADLBC]

  Submitted 4 Mar 2026 Full applications
• 26/01476/ADLBC Awaiting decision

  17 Chapel Street London SW1X 7BY

  Details of new staircase to fourth floor pursuant to Condition 3 of listed building consent dated 24 July 2025 (RN: 25/01677/LBC). [Linked to 26/01389/ADFULL]

  Submitted 4 Mar 2026 Conditions
• 26/01057/ADFULL Awaiting decision

  17 Chapel Street London SW1X 7BY

  Details of tree method statement pursuant to Condition 6 of planning permission dated 24/07/2025 (RN: 25/01676/FULL)

  Submitted 19 Feb 2026 Full applications
• 25/07612/ADFULL Refused

  17 Chapel Street London SW1X 7BY

  Detailed drawings of a) All new external windows and doors and b) The timber screen/trellis to the roof terrace on the rear extension and a tree protection method statement pursuant to Conditions 4 and 6 of planning permission dated 24 July 2025 (RN: 25/01676/FULL).

  Decided 10 Feb 2026 Full applications

1. 10 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. 9 Aug 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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• 17 Chapel Street London SW1X 7BY

  26/04885/LBC Submitted 21 Jul 2026 50 yards away

  90% historically approved · decision due ~15 Sep

  Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over and associated internal alterations (Linked with 26/04162/NMA)

  Awaiting decision Heritage and listed buildings Extension

• 10 Chapel Street London SW1X 7BY

  26/05944/ADFULL Submitted 1 Sep 2026 50 yards away

  Details of a completed Appendix A checklist from the Code of Construction Practice pursuant to Condition 3 of planning permission dated 10 July 2025 (RN: 25/01535/FULL).

  Granted

• 10 Chapel Street London SW1X 7BY

  26/04209/ADFULL Submitted 25 Jun 2026 50 yards away

  89% historically approved · decision due ~20 Aug

  Detailed drawings of window at rear third floor level above the closet wing extension to match the windows in the rear closet wing extension in terms of size and detailed design and the two roof skylights must be conservation area styled rooflights, reduced in size, centrally positioned and closer to the roof ridge; detailed drawings of the new windows within the closet wing extension pursuant to Conditions 6 (parts a and b) and 7 of planning permission dated 10 July 2025 (RN:25/01535/FULL).

  Decided Extension Loft or dormer +1

• 17 Chapel Street London SW1X 7BY

  26/01389/ADFULL Submitted 4 Mar 2026 50 yards away

  87% historically approved · decision due ~29 Apr

  Details of windows and doors pursuant to Condition 4 of planning permission dated 24 July 2025 (RN: 25/01676/FULL). [Linked to 26/01476/ADLBC]

  Awaiting decision Full applications Windows or glazing 10 docs

• 17 Chapel Street London SW1X 7BY

  26/01476/ADLBC Submitted 4 Mar 2026 50 yards away

  90% historically approved · decision due ~29 Apr

  Details of new staircase to fourth floor pursuant to Condition 3 of listed building consent dated 24 July 2025 (RN: 25/01677/LBC). [Linked to 26/01389/ADFULL]

  Awaiting decision Conditions 10 docs

• 22 Chapel Street London SW1X 7BY

  26/02319/LBC Submitted 8 Apr 2026 50 yards away

  90% historically approved · decision due ~3 Jun

  Proposed defect remedial and waterproofing works to:- railings & stone kerb upstand, entrance portico; balcony balustrade and stucco work to elevation and columns at:- lower ground; ground and first storey levels. (Linked to 26/02318/FULL)

  Awaiting decision Heritage and listed buildings 16 docs