1 Abercorn Walk NW8 9XX

1. 15 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 66 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided tree works applications in a median of 39 days. More in our guide to how long planning decisions take.

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.

• 99 Hamilton Terrace London NW8 9QY

  26/03960/TCA Submitted 15 Jun 2026 50 yards away

  100% historically approved · decision due ~10 Aug

  (T3) Sycamore - This is situated in the rear garden of 99 Hamilton Terrace. Tree is fairly close to the property, proposing to reduce entire crown back to previous pruning points (approximately 2m) in order to allow more light and inhibit excessive root spread which could cause damage to the retaining wall or foundations (T4) Horse Chestnut - This is situated in the rear garden of 99 Hamilton Terrace. Tree is fairly close to the property, proposing to reduce entire crown back to previous pruning points (approximately 2m) and thin crown by 15%, in order to allow more light and inhibit excessive root spread which could cause damage to the retaining wall or foundations.

  Awaiting decision Trees 6 docs

• 101 Hamilton Terrace London NW8 9QY

  26/03964/TCA Submitted 15 Jun 2026 50 yards away

  100% historically approved · decision due ~10 Aug

  (T5) Sycamore - This is situated in the rear garden of 101 Hamilton Terrace and significantly overhangs the roof of 2 Abercorn Walk. Proposing to reduce lateral branches back to the boundary, reduce height of the tree by up to 3m and lateral spread by 2m, in order to allow more light and inhibit excessive root spread which could cause damage to the retaining wall or foundations.

  Awaiting decision Trees 6 docs

• 101 Hamilton Terrace London NW8 9QY

  25/08389/TCA Submitted 17 Nov 2025 50 yards away

  100% historically approved · decision due ~12 Jan

  Left Hand Boundary: T1: Mature Sycamore: Approximately 16.00m: Reduce lateral and sub lateral growth growing across the boundary on No.2 Abercorn Walk and over the roof by up to approximately 5.00m. Crown height and lateral spread along the boundary line is to be preserved at current dimensions. General maintenance. Control encroachment. T2: Norway Maple: Approximately 11.00m: Reduce lateral and sub lateral growth growing across the boundary line, over the roof and garden at No.2 by approximately 1.50m back to as near to the boundary. To control encroachment. G1: Group of Laurel: Overhanging boundary: Trim back to as near to the boundary line as practicable. To control encroachment.

  Awaiting decision Trees 3 docs

• 101 Hamilton Terrace London NW8 9QY

  25/05243/FULL Submitted 28 Jul 2025 50 yards away

  Demolition of existing single dwelling house and construction of new house on basement, lower ground, ground, first, second and third floors and associated plant.

  Refused Full applications Demolition 33 docs
  Domestic

• Flat 2 107 Hamilton Terrace London NW8 9QY

  26/00023/FULL Submitted 5 Jan 2026 50 yards away

  Installation of replacement windows.

  Granted Full applications Windows or glazing 15 docs

• Abercorn Place Estate Abercorn Place NW8 9DS

  25/05481/FULL Submitted 5 Aug 2025 50 yards away

  87% historically approved · decision due ~29 Dec

  Infill extension to the undercroft area of Warner House to create two flats and associated bin store and bike storage. Associated alterations including landscaping, new entrance door and canopies (part retrospective).

  Awaiting decision Full applications New dwelling Extension 27 docs
  Several homes

• 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

  2 x lime (T1, T2): crown reduce to previous, most recent reduction points (2-2.5m), retaining furnisging growth and at least 50% of fine branch structure. 1 x London plane (T3): crown reduce to previous most recent reduction points.

  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