4 Blenheim Road London NW8 0LU

1. 25 Feb 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 April 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 65 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 37 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.

• 10 Blenheim Road London NW8 0LU

  25/07275/ADFULL Submitted 8 Oct 2025 0m away

  Details of Code of Construction Practice pursuant to condition 19 of planning permission dated 8th June 2022 (RN:21/05522/FULL)

  Granted Full applications 6 docs

• 9 Blenheim Road London NW8 0LU

  26/01946/ADFULL Submitted 25 Mar 2026 0m away

  87% historically approved · decision due ~20 May

  Details of the ways in which you will protect the trees which you are keeping, as shown on drawing 02.010 pursuant to condition 8 of planning permission dated 19th March 2026 (RN:25/08190).

  Awaiting decision Full applications Trees 6 docs

• 3 Blenheim Road London NW8 0LU

  26/03113/ADFULL Submitted 12 May 2026 0m away

  87% historically approved · decision due ~7 Jul

  Details of the ways in which you will protect the trees which you are keeping, as shown on drawing Barrell Plan Ref: 18215-1 pursuant to condition 10 of planning permission dated 18th January 2024 (RN:22/04886/FULL)

  Awaiting decision Full applications Trees 10 docs

• 3 Blenheim Road London NW8 0LU

  26/05863/ADFULL Submitted 26 Aug 2026 0m away

  89% historically approved · decision due ~21 Oct

  Details of Trees pursuant to Condition 10 of planning permission 18 January 2024 (RN:22/04886/FULL)

  Awaiting decision Trees

• 3 Blenheim Road London NW8 0LU

  26/05589/LBC Submitted 17 Aug 2026 0m away

  90% historically approved · decision due ~12 Oct

  Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations; Internal alterations, including changes to planform and replacement of fireplace at lower-ground floor level.

  Awaiting decision Heritage and listed buildings Extension
  Small domestic

• 3 Blenheim Road London NW8 0LU

  26/05798/NMA Submitted 24 Aug 2026 0m away

  93% historically approved · decision due ~19 Oct

  Amendments to planning permission dated 18th January 2024 (RN:22/04886/FULL) for Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations. Namely, minor adjustment to rooflight position.

  Decided Amendments Extension Loft or dormer
  Small domestic

• 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