65 Eccleston Square Mews London SW1V 1QN

1. 28 Aug 2025

   Received by Westminster

2. 17 Sep 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 17 September 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.

• 69 Eccleston Square Mews London SW1V 1QN

  26/05635/FULL Submitted 18 Aug 2026 50 yards away

  88% historically approved · decision due ~19 Oct

  Formation of a roof terrace at main roof level with new roof access via a sliding skylight and associated balustrading.

  Decided Full applications Roofing

• 68 Eccleston Square London SW1V 1PJ

  26/02262/LBC Submitted 3 Apr 2026 50 yards away

  90% historically approved · decision due ~29 May

  Installation of one air source heat pump within existing external lightwell to existing residential property. (Linked to 26/00458/FULL)

  Awaiting decision Heritage and listed buildings 15 docs

• Flat 3 68 Eccleston Square London SW1V 1PJ

  25/08705/ADFULL Submitted 28 Nov 2025 50 yards away

  Details of new window to rear pursuant to condition 4 of planning permission dated 15 October 2025 (RN: 25/05548/FULL) [Linked to 26/01299/ADLBC]

  Granted Full applications Windows or glazing 14 docs

• Flat 1 68 Eccleston Square London SW1V 1PJ

  25/05572/ADFULL Submitted 8 Aug 2025 50 yards away

  Detailed drawings of all windows and external doors pursuant to condition 4 of planning permission dated 15th May 2025 (RN 24/06372/FULL)

  Granted Full applications Windows or glazing 9 docs

• Flat 3 68 Eccleston Square London SW1V 1PJ

  26/01299/ADLBC Submitted 28 Nov 2025 50 yards away

  Details of new cornices, chimneypieces, skirtings, internal doors and window to rear; and retention of non-original cornices pursuant to conditions 4 and 5 of listed building consent dated 15 October 2025 (RN: 25/05549/LBC)

  Granted Conditions Windows or glazing 12 docs

• Flat 1 68 Eccleston Square London SW1V 1PJ

  25/07776/ADLBC Submitted 27 Oct 2025 50 yards away

  Details of the new fireplace to front room, internal doors, condition survey of existing ceilings and associated schedule of works and new cornices pursuant to Condition 4 parts (1), (2), (3), (4) of listed building consent dated 15th May 2025 (RN:24/06373/LBC)

  Granted Conditions 19 docs

• 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