Forbes House 10 Halkin Street London SW1X 7DS

1. 17 Sep 2025

   Received by Westminster

2. 30 Oct 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 30 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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 40 Grosvenor Place London SW1X 7HJ

  26/06234/FULL Submitted 11 Sep 2026 55m away

  87% historically approved · decision due ~6 Nov

  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))

  Awaiting decision Full applications

• 1 Grosvenor Place London SW1X 7HJ

  26/02344/ADV Submitted 10 Apr 2026 55m away

  84% historically approved · decision due ~5 Jun

  Display of a non-illuminated sculpture measuring 1.1m x 0.9m for a temporary period from 01 June 2026 to 10 August 2026.

  Awaiting decision Advertising 5 docs

• Development Site At 1 - 5 Grosvenor Place London SW1X 7HJ

  23/03917/FULL Submitted 12 Jun 2023 59m away

  Replace doors along Grosvenor Place with fixed glass panel.

  Granted Full applications 15 docs

• The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA

  26/02231/NMA Submitted 2 Apr 2026 79m away

  93% historically approved · decision due ~28 May

  Amendments to planning permission dated 17th April 2025 (RN 25/02675/FULL) for the Installation of an external cigar lounge structure on hardstanding at rear of hotel for temporary period. NAMELY, Alteration of the wording of Condition 4 to allow for two-year permission from the date of commencement of the development.

  Awaiting decision Amendments 11 docs

• 17 Grosvenor Crescent London SW1X 7EE

  26/03745/LBC Submitted 8 Jun 2026 81m away

  90% historically approved · decision due ~3 Aug

  Replacement of basement level door with bullet resistant door and transom windows above; provision of removal of section of existing handrail and provision of a new gate at basement level; internal alterations including replacement of two security counters on the ground floor (FB6 and RC4 glazing, document passthroughs, and partitions); replacement of three security counters in the basement (FB6 and RC4 glazing, document pass-throughs, and partitions); replacement of an external bullet-resistant emergency door (FB6); replacement of an external bullet-resistant window (FB6) at basement level; refresh works to include paint and decorate , floor finishers and basement WC; replacement of desking and furniture; and replacement of fire door to meet current fire and building regulations. (Linked with 26/03744/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing 6 docs

• The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA

  26/03578/ADFULL Submitted 1 Jun 2026 83m away

  87% historically approved · decision due ~27 Jul

  Detailed drawings and a bio-diversity management plan in relation to the green roof; pursuant to condition 4 of planning permission dated 2024 (RN 24/04118/FULL)

  Awaiting decision Full applications 5 docs

• 26/06333/TCA Awaiting decision

  Basement 17 Claverton Street London SW1V 3AY

  Removal of an overgrown and poor specimen Leyland cypress tree in a confined space in the rear garden of 17 Claverton Street, Sw1v 3AY. We wish to remove this tree and replace it with a semi mature Amelanchier Lamarckii which is more appropriate for the space.

  16 Sep 2026 Trees
• 26/06346/TPO Awaiting decision

  Crown Court 123 Park Road London NW8 7JH

  Front T1 Lime x 1 (Tilia spp) This 12m triple stem mature lime tree has previously been reduced, its cyclical prune is now due. The lateral growth is touching the windows and hangs low over the road. Suggested work: - crown reduction - reduce height 2m back to previous reduction points - reduce the lateral growth 2-2.5m back to previous reduction points, leaving furnishing growth - retain 50% of internal fine branch structure Front T2 Lime x 1 (Tilia spp) This 12m triple stem mature lime tree has previously been reduced, its cyclical prune is now due. The lateral growth is touching the windows and hangs low over the road. Suggested work: - crown reduction - reduce height 2m back to previous reduction points - reduce the lateral growth 2-2.5m back to previous reduction points, leaving furnishing growth - retain 50% of internal fine branch structure Front T3 London Plane x 1 (Platanus x hispanica) This 16m mature London plane has previously been pollarded, its cyclical prune is now due. Regrowth is touching the building and encroaching upon the balconies. Suggested work:- reduce all round 2-3m back to previous

  16 Sep 2026 Trees
• 26/06307/TCA Awaiting decision

  140 Loudoun Road London NW8 0ND

  T1 Acer reduce by cira 1.5m to suitable pruning points T2 Mature apple tree - Crown lift to 2.5 metres from the ground and cut back from the public infrastructure. T3 Magnolia grandiflora - reduce by 1.5m and cut back from building creating a clearance of 2m T4 - Apple Tree - Remove deadwood and reduce crown by 1m Reason for work: General tree maintenance

  15 Sep 2026 Trees
• 26/06302/TCA Awaiting decision

  Old Admiralty Building Spring Gardens London SW1A 2AH

  fell to 50mm from ground level Cherry trees in pots in courtyard (G1 - trees have extensive damage to main stems and crown)

  15 Sep 2026 Trees
• 26/06282/TCA Awaiting decision

  13 Randolph Crescent London W9 1DP

  T4 - Reduce magnolia crown by 0.5?1m and thin by 10-15% all around, and remove any deadwood whilst retaining furnishing growth. This is to allow more light through the canopy and maintain the crown at a manageable size.

  14 Sep 2026 Trees