91 Thornbury Road, Isleworth, TW7 4NL

1. 18 Nov 2025

   Received by Hounslow

2. 27 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Feb 2026

   Decision issued: GRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 10 February 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 89 Thornbury Road, Isleworth, TW7 4NL

  P/2025/2392 Submitted 4 Aug 2025 50 yards away

  Formation of vehicular access, front boundary wall and new rear boundary fence to the house.

  Withdrawn Householder 5 docs
  Small domestic

• 89 Thornbury Road, Isleworth, TW7 4NL

  P/2025/3749 Submitted 18 Dec 2025 50 yards away

  Formation of a vehicular access to the front of the house, erection of a front wall and gate and new rear boundary fence

  Refused Householder 6 docs
  Small domestic

• 101 THORNBURY ROAD, ISLEWORTH, TW7 4NL

  P/2021/3767 Submitted 17 Sep 2021 50 yards away

  Works to trees within a conservation area - English Oak (T1) to reduce by 4m back to most previous reduction points with the final height 10m and spread 9m, False Acacia (T2) to reduce by 1m below the most recent previous reduction points with the final height 10m and spread 8m

  Granted Trees 5 docs

• 101 Thornbury Road, Isleworth, TW7 4NL

  P/2024/3626 Submitted 31 Oct 2024 50 yards away

  Works to tree within a conservation area: Front Garden -T1 False Acacia (Robinia pseudoacacia) Crown Reduction - Reducing the height and spread of the tree by approximately 1-2m below previous reduction points. Final height 14m and spread 9m.

  Granted Trees 4 docs

• 10, Fairacre Thornbury Road, Isleworth, TW7 4NJ

  P/2025/3358 Submitted 7 Nov 2025 50 yards away

  Fell dangerous tree (5 day dangerous tree). Fell leaning Elder.

  Granted Trees 2 docs

• Ardmore Church Road, Isleworth, TW7 4PH

  P/2026/0192 Submitted 21 Jan 2026 100 yards away

  Works to tree in a Conservation Area. T1 Apple (Malus domestica). Rear garden. Reduce crown to previous reduction points removing approximately 3 metres of growth.

  Granted Trees 4 docs

• P/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

  Certificate of lawfulness for the proposed hip to gable conversion and erection of rear roof extension with three front roof windows to the house.

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

  Certificate of lawfulness for the proposed erection of a rear roof extension and two front roof windows to the house.

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development