30 Thornbury Avenue, Isleworth, TW7 4NQ

1. 1 Jun 2026

   Received by Hounslow

2. 29 Jun 2026

   Decision issued: NO OBJECTION

3. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 29 June 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.

• 28 Thornbury Avenue, Isleworth, TW7 4NQ

  P/2024/1877 Submitted 6 Jun 2024 11m away

  Erection of a single storey rear infill replacing the existing conservatory, part single storey rear extension, side and rear roof extension and detached outbuilding at the rear of the garden

  Granted Full applications Extension 26 docs
  Small domestic

• 24 THORNBURY AVENUE, ISLEWORTH, TW7 4NQ

  P/2021/2046 Submitted 24 May 2021 26m away

  Variation of Condition 2 (approved plans) and Condition 3 (no additional windows and doors) to improve the appearance and utility of the extension of planning application 01118/24/P1 approved under appeal dated 30/11/2020 for erection of single storey rear extension and side and rear roof dormer extensions with one front roof window to the house and alteration to fenestration.

  Granted Householder Extension Loft or dormer +1 5 docs
  Small domestic

• 24 Thornbury Avenue, Isleworth, TW7 4NQ

  P/2025/3152 Submitted 20 Oct 2025 26m away

  Change of use from a residential house (C3) to a Large House in Multiple Occupation (Sui Generis).

  Refused Full applications 12 docs

• 31 THORNBURY AVENUE, ISLEWORTH, TW7 4NF

  P/2023/0164 Submitted 17 Jan 2023 38m away

  Retrospective application for the erection of a single storey side and part rear extension, roof extension with rear and side dormers and roof windows; changes to front boundary wall, rendering of external walls and replacement windows and doors.

  Refused Householder Extension Loft or dormer +1 9 docs
  Small domestic

• 23 Thornbury Avenue, Isleworth, TW7 4NF

  P/2025/3117 Submitted 15 Oct 2025 52m away

  Retrospective permission for the existing rear canopy.

  Granted Householder 7 docs
  Domestic

• 21 Thornbury Avenue, Isleworth, TW7 4NF

  P/2025/2580 Submitted 21 Aug 2025 57m away

  Installation of render the front and side elevation and installation of external wall insulation and render to the rear elevation of the house.

  Granted Householder 7 docs
  Domestic

• P/2026/2628 Awaiting decision

  1 Dale Street, Chiswick, London, W4 2BJ

  Works to tree within a conservation area. Robinia (T1). Reduce and reshape by approx. 25-30% or 0.5-1m above previous reduction points.

  Received 15 Sep, published by the council 17 Sep 2026 Trees
• P/2026/2626 Awaiting decision

  39 Harvard Road, Isleworth, TW7 4PA

  Works to trees within a conservation area. Leyland Cypress x2. Cut back away from customers garden and left-hand neighbours garden by approx. 2m, ensuring that green tips are left on branches. Remove any overhanging dead stubs.

  Received 15 Sep, published by the council 17 Sep 2026 Trees
• P/2026/2624 Awaiting decision

  Manor Court, Manor Gardens,Acton,London,W3 8JX

  Felling of Eucalyptus (T1) within a conservation area.

  Received 15 Sep, published by the council 17 Sep 2026 Trees
• P/2026/2629 Awaiting decision

  7 Sharon Road, Chiswick, London, W4 4PD

  Work to two trees at rear of property within conservation area. Pagoda tree (T1). Reduce and reshape by 30% or approx. 0.5m or below previous reduction points. Pagoda (T3). Reduce back to previous reduction points.

  Received 15 Sep, published by the council 17 Sep 2026 Trees
• P/2026/2601 Awaiting decision

  10 Orchard Road, Brentford, TW8 0QX

  Works to tree within a conservation area. T1 Apple (Malus domestica). Reduce crown back to previous reduction points, approx. 1.5-2m. Final height 4m and final spread 3m.

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