9 Wilton Crescent London SW1X 8SP

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/05197/LBC Granted

  9 Wilton Crescent London SW1X 8SP

  Installation of replacement mechanical plant to front main roof level.

  Decided 7 Oct 2025 Heritage and listed buildings

1. 25 Jul 2025

   Received by Westminster

2. 21 Aug 2025

   Validated

   Checked as complete and ready for consideration.

3. 7 Oct 2025

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 7 October 2025, 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.

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.

• 9 Wilton Crescent London SW1X 8SP

  25/05197/LBC Submitted 25 Jul 2025 50 yards away

  Installation of replacement mechanical plant to front main roof level.

  Granted Heritage and listed buildings 34 docs

• 5 Wilton Crescent London SW1X 8RN

  25/05308/ADFULL Submitted 30 Jul 2025 50 yards away

  Details of sample of brickwork pursuant to Condition 5 of planning permission dated 03 July 2025 (RN: 25/03433/FULL).

  Refused Full applications 6 docs

• 5 Wilton Crescent London SW1X 8RN

  25/06840/ADLBC Submitted 24 Sep 2025 50 yards away

  Details of sample panel of brickwork pursuant to Condition 4 of listed build ling consent dated 3 July 2025 (RN 25/03523/LBC).

  Granted Conditions 6 docs

• Open Space Centre Of Wilton Crescent London SW1X 8RN

  26/02596/TPO Submitted 20 Apr 2026 50 yards away

  100% historically approved · decision due ~15 Jun

  T339 - London Plane: RVL - necessary, 3 months ? large Massaria infected limb, at 21m to the south over the garden (200mm diameter).

  Awaiting decision Trees 9 docs

• 5 Wilton Crescent London SW1X 8RN

  25/06785/ADFULL Submitted 22 Sep 2025 50 yards away

  Details of sample panel of brickwork pursuant to Condition 5 of planning permission dated 3 July 2025 (RN 25/03433/FULL).

  Granted Full applications 6 docs

• 2 Wilton Crescent London SW1X 8RN

  26/06878/FULL Submitted 8 Oct 2026 50 yards away

  88% historically approved · decision due ~3 Dec

  Use of the lower ground and ground floor level of 2 Wilton Crescent for diplomatic functions and the first to fourth floor levels of 2 Wilton Crescent as a residence in connection with the Singapore High Commission. Use of 2 Kinnerton Street for consular and visa services. Alterations to the Kinnerton Street facade and removal of the existing vehicular access to create level access into the building. Installation of new mechanical plant to the roof level of 2 Wilton Crescent and 2 Kinnerton Street.

  Awaiting decision Full applications

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications