171 Thornbury Road, Isleworth, TW7 4QG

1. 20 Feb 2025

   Received by Hounslow

2. 4 Jul 2025

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 29 August 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided full applications in a median of 74 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 181 Thornbury Road, Isleworth, TW7 4QG

  P/2026/0849 Submitted 13 Mar 2026 50 yards away

  Works to trees in a Conservation Area. Thuja plicata. Fell to ground level.

  Granted Trees 5 docs

• 209 JERSEY ROAD, ISLEWORTH, TW7 4RE

  P/2023/0874 Submitted 20 Mar 2023 50 yards away

  Work to tree within conservation area: Crown reduction and cutting back roots of large magnolia tree in the driveway

  Granted Trees 6 docs

• 209 Jersey Road, Isleworth, TW7 4RE

  P/2026/1617 Submitted 1 Jun 2026 50 yards away

  Works to trees in a conservation area. Pear (A). Dead. Fell to ground level Cherry (B) Dying. Fell to ground level

  Granted Trees 6 docs

• 211 JERSEY ROAD, ISLEWORTH, TW7 4RE

  PA/2021/3189 Submitted 4 Aug 2021 50 yards away

  Ground floor rear extension 6 metres deep, maximum height of 4 metres, 2.7 metres high to the eaves

  Granted Prior approval Extension 5 docs

• 211 JERSEY ROAD, ISLEWORTH, TW7 4RE

  P/2021/3183 Submitted 3 Aug 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of front/side/rear roof wraparound extension to the existing house

  Refused Lawful development Extension 5 docs

• 205 Jersey Road, Isleworth, TW7 4QJ

  P/2026/2336 Submitted 12 Aug 2026 100 yards away

  77% historically approved · decision due ~7 Oct

  Erection of a two storey side and rear extension, a rear roof extension and a single storey outbuilding to be used as a home gym

  Awaiting decision Householder Extension 4 docs
  Small domestic

• P/2026/2596 Awaiting decision

  Kew Bridge Distribution Centre,Lionel Road South,Brentford,TW8 9QR

  Change of use of Unit 2A to Use Class B8 (Storage and Distribution), with 1 no. cycle parking space at ground floor level.

  Received 11 Sep, published by the council 17 Sep 2026 Full applications
• P/2026/2592 Awaiting decision

  St Pauls Church Bath Road, Hounslow, TW3 3DA

  Installation of PV solar panels on the roof.

  Received 10 Sep, published by the council 17 Sep 2026 Full applications
• P/2026/2588 Awaiting decision

  Griffin Brewery, Asahi UK Holdings Ltd, Chiswick Lane South, Chiswick, London, W4 2QB

  Replacing existing fencing with a three meter mesh fencing.

  Received 10 Sep, published by the council 17 Sep 2026 Full applications
• P/2026/2579 Awaiting decision

  Land to the North of 38 Alexandra Road, Hounslow, TW3 4HN

  Erection of a two storey house with associated private amenity space, cycle and refuse storage.

  Received 10 Sep, published by the council 17 Sep 2026 Full applications
• P/2026/2080 Granted

  2 Chiswick High Road, Chiswick, London, W4 1TH

  Replacement of all windows and doors.

  Received 16 Jul, published by the council 16 Aug 2026 Full applications