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 50 yards away

  88% 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 50 yards away

  82% 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 50 yards 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 100 yards 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

• The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA

  26/03578/ADFULL Submitted 1 Jun 2026 100 yards away

  88% 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

• 6 - 7 Grosvenor Place London

  26/00426/LBC Submitted 23 Jan 2026 100 yards away

  Internal alterations to the ground floor including the re-opening of a pre-existing doorway, installation of a panelled 60 -minute fire rated door and 60 minute fire rated curtain between the Front Hall and the Music Room at ground floor level of the building.

  Granted Heritage and listed buildings 13 docs

• 26/06901/TPO Decided

  110 Maida Vale London W9 1PS

  T3 Walnut: Raise crown over the beds by approximately 2m and clear Cherry. Reduce remaining crown back to previous and most recent reduction points up to approximately 1.5m. Thin crown density evenly throughout by 20%. T4 Walnut: Reduce back to previous and most recent points of reduction up to approximately 1.5m. Thin crown density by 20%. Remove dead wood. T5 Fig: Reduce lateral growth hard back garden side by approximately 1.25-1.5m. Reduce crown height back to previous points of reduction (approximately 1.4m). T7 Mulberry: Reduce crown road side by approximately 1.2m. Raise crown road side by approximately 1.2m. Thin crown density throughout by 20%. Reduce remaining over extended branches which protrude from the main crown structure back in to the main crown.

  Received 8 Oct, published by the council 12 Oct 2026 Trees
• 26/07241/TCA Awaiting decision

  11 Castellain Road London W9 1EY

  T1 - Mature Sycamore- Carry out a crown reduction of up to 3m in height and up to 2m laterally back to the previous, most recent established pruning points, retaining a balanced crown structure and natural form. Pruning cuts will be made to suitable growth points. T2 - Field Maple- Undertake a crown reduction of approx 2m in height and 1.5m laterally appropriate to the tree?s condition, structure and previous pruning history, whilst retaining a natural crown shape and viable growth points. Where suitable, reduce the crown to the previous reduction points, pruning back to appropriate secondary branches or growth points to create a balanced, natural-flowing canopy outline. As an Arboricultural Approved contractor (#AC2626), all works will be undertaken in accordance with BS39982010 - Tree Work - Recommendations. Reason for work: General tree maintenance

  Received 22 Oct, published by the council 23 Oct 2026 Trees
• 26/07207/TCA Awaiting decision

  2 Motcomb Street London SW1X 8JU

  T1, T2 and T3 - Bay Laurel reduce height by approx 2-3m from tips and shorten lateral growth by 1m from tips.

  Received 21 Oct, published by the council 23 Oct 2026 Trees
• 26/07205/TPO Awaiting decision

  Garden Enclosure Portman Square London W1H 6LJ

  1 x Cherry (T8): Reduce crown of north east stem by 1 .5m. 1 x Acer (T22): Prune to clear adjacent lamp column by 1m. 1 x Cherry (T24): Lift low canopy to provide 4.5m clearance over road. 1 x Cherry (T37): Remove lowest south-facing branch to stem. Cercis canadensis (G73): Lift low canopy to provide 2.5m clearance over footpath.

  Received 21 Oct, published by the council 23 Oct 2026 Trees
• 26/07220/TCA Awaiting decision

  Overseas House Park Place London SW1A 1LR

  T1 Betula jacquemontii- Fell- This tree has out grown its position in the small herbacious border and garden, it is blocking light and the roots are suppressing the growth of other ornamental shrubs and trees- The owner would like to remove it before it gets any larger- a poor choice for such a small garden, also blocking the view in to Green park. T2 Prunus sp.- Fell As above , in addition the trees lower branches have been removed and now has impaired form, is being suppressed by the London Plane tree and it has very few blossoms in the spring. If nessessary the tree owner would be prepared to replace the two trees with a more suitable tree

  Received 21 Oct, published by the council 23 Oct 2026 Trees