15 Northumberland Place London W2 5BS

1. 6 Mar 2026

   Received by Westminster

2. 11 Mar 2026

   Decision issued: No objections

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 11 March 2026, 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.

• 12 Northumberland Place London W2 5BS

  22/04212/ADFULL Submitted 27 Jun 2022 50 yards away

  Details of construction contract agreed between all land owners and lessees pursuant to condition 7 of planning permission dated 19th March 2021 (RN: 21/00382/FULL).

  Granted Full applications 9 docs

• 3 Northumberland Place London W2 5BS

  25/07538/ADFULL Submitted 17 Oct 2025 50 yards away

  Detailed drawings of new railings, new bin store, new lightwell porch, method statement explaining the measures you will take to protect the trees on and close to the site and details of the foundations of the bin stores pursuant to conditions 4, 5 and 7 of planning permission dated 13th February 2025 (RN:24/07005).

  Granted Full applications Extension Trees 18 docs
  Small domestic

• 3 Northumberland Place London W2 5BS

  26/05560/CLOPUD Submitted 14 Aug 2026 50 yards away

  86% historically approved · decision due ~20 Oct

  Painting of the front facade of the building.

  Decided Lawful development

• 3 Northumberland Place London W2 5BS

  26/00800/TCA Submitted 10 Feb 2026 50 yards away

  100% historically approved · decision due ~7 Apr

  Magnolia growing in the front left hand corner of the front garden of 3 Northumberland Place, tree 1 on the attached plan. Fell, remove stump and main roots. Reasons - poor specimen with low amenity value and no real scope for improvement. To be replaced, together with a replacement for the recently removed cotoneaster (ref 25/03383/TCA) Proposed replacements to be agreed with Westminster, we suggest Japanese maple, silverbell tree or similar small / medium ornamental tree.

  Awaiting decision Trees 7 docs

• 9 - 10 Northumberland Place London W2 5BS

  26/01573/FULL Submitted 11 Mar 2026 50 yards away

  87% historically approved · decision due ~8 May

  Erection of a mansard roof extension and solar panels at no. 10 Northumberland Place

  Awaiting decision Full applications Extension Loft or dormer 7 docs

• 11 Northumberland Place London W2 5BS

  22/05510/TPO Submitted 9 Aug 2022 50 yards away

  Front garden: T1 Evergreen Magnolia x 1 (Magnolia grandiflora) This previously reduced tree has now begun to block light from gardens and properties. Suggested works: Reduce all round to previous reduction points approx. 1m leaving furnishing growth.- Clean out crown

  Withdrawn Trees 4 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.

  Received 16 Sep, published by the council 17 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

  Received 16 Sep, published by the council 17 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

  Received 15 Sep, published by the council 17 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)

  Received 15 Sep, published by the council 17 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.

  Received 14 Sep, published by the council 17 Sep 2026 Trees