40 Porchester Terrace London W2 3TP

1. 21 Apr 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 June 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.

• 64 Porchester Terrace London W2 3TP

  26/04140/FULL Submitted 23 Jun 2026 50 yards away

  87% historically approved · decision due ~23 Sep

  Installation of an Air Source Heat Pump at roof level; replacement of existing windows, doors and balustrades.

  Decided Full applications Windows or glazing 15 docs

• 8 Tenniel Close London W2 3LE

  05/01078/CAC Submitted 11 Feb 2005 50 yards away

  Replacement of roof with new mansard between raised party walls.

  Decided Heritage and listed buildings Loft or dormer 10 docs

• 8 Tenniel Close London W2 3LE

  05/01077/FULL Submitted 11 Feb 2005 50 yards away

  Addition of second floor roof extension to create separate flat unit with new internal stair. Erection of rear ground extension. Conversion of garage for staircase to top floor flat and bin storage.

  Refused Full applications Extension 7 docs

• 11 Tenniel Close London W2 3LE

  07/00113/ADFULL Submitted 2 Jan 2007 50 yards away

  Details of rear mansard roof windows pursuant to Condition 3 of planning permission dated 28 December 2006 (RN: 06/07355).

  Granted Full applications Loft or dormer Windows or glazing 5 docs

• 4 Tenniel Close London W2 3LE

  23/02377/NMA Submitted 8 Apr 2023 50 yards away

  Amendments to planning permission dated 23 July 2021 (RN: 21/01675/FULL) for excavation of a basement under the existing dwelling incorporating a rear lightwell with external staircase to rear, alterations to front and rear elevations including new windows and rooflights; Namely, minor changes to the proposed front and rear fenestration at Ground Floor, First Floor and Second Floor Levels.

  Granted Amendments Loft or dormer Windows or glazing 13 docs
  Domestic

• 8 Tenniel Close London W2 3LE

  05/06793/FULL Submitted 19 Aug 2005 50 yards away

  Erection of mansard roof extension and single storey rear ground floor extension. Conversion of garage to accommodate new staircase.

  Granted Full applications Extension Loft or dormer 8 docs
  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.

  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