37 Thornton Avenue, Chiswick, London, W4 1QF

1. 2 Mar 2026

   Received by Hounslow

2. 12 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 May 2026

   Decision issued: APPROVED

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 1 May 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 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.

• Salisbury Court,Thornton Avenue,Chiswick,W4 1QH

  P/2026/2253 Submitted 3 Aug 2026 50 yards away

  Works to trees in a conservation area ; G1 - Cotoneaster/ Lilac to reduce height & spread by 2 meters, sever Ivy, remove deadwood. G2 - Jasmine & Budldleia. to cut back to the boundary and remove from the garage roof. G3 - x2 Lime trees. to crown and reduce by 2-3 metres and remove major deadwood. T1 - Holly. To trim top and side and cut back from the adjacent buildings to give a clearance of 1 metre. T3 - Ash. Fell to ground level & treat stump to prevent regrowth. T4 - Locquat. Cut back the branches that are growing towards the substation by 1-2 metres. T5 - Birch (dead tree). Fell as close to ground level as practically possible. T6 - Hornbeam. Cut back from building to provide a 2 metre clearance. Crown thin up to 20%. Remove major deadwood.

  Withdrawn Trees 2 docs

• TWO HOUSES ON LAND BEHIND MAYFIELD AVENUE AND THORNTON AVENUE, CHISWICK, W4 1PW

  P/2021/0572 Submitted 12 Feb 2021 50 yards away

  Details of Condition 12 (contamination) submitted pursuant of planning permission 00749/A/P5 dated 25/07/2012 for demolition of garages and erection of one x five-bedroom house and one x four-bedroom house with associated on-site parking and landscaping

  Granted Conditions Demolition 9 docs

• 28 THORNTON AVENUE, CHISWICK, W4 1QG

  P/2022/4025 Submitted 16 Dec 2022 50 yards away

  Erection of a single storey rear and rear infill extension to the house.

  Granted Householder Extension 10 docs
  Small domestic

• 26 Thornton Avenue, Chiswick, London, W4 1QG

  P/2026/0194 Submitted 21 Jan 2026 100 yards away

  Erection of single storey side extension and rear extension. Enlargement of the existing basement. Replacing existing windows. Installation of air source heat pump in rear garden. Installation of new fencing on the front boundary. Conversion of the existing two self contained flats to a single family house.

  Granted Full applications New dwelling Extension +1 15 docs
  Small domestic

• 26 Thornton Avenue,Chiswick,London,W4 1QG

  P/2026/1399 Submitted 8 May 2026 100 yards away

  Certificate of Lawfulness for proposed enlargement of rear roof extension, erection of rear outrigger extension, and installation of two front roof windows.

  Granted Lawful development Extension Windows or glazing 6 docs

• 26 Thornton Avenue,Chiswick,W4 1QG

  P/2026/2358 Submitted 14 Aug 2026 100 yards away

  89% historically approved · decision due ~9 Oct

  Details of Condition 5 (Construction Logistics Plan) submitted pursuant to permission P/2026/0194 dated 09/04/2026 for Erection of single storey side extension and rear extension. Enlargement of the existing basement. Replacing existing windows. Installation of air source heat pump in rear garden. Installation of new fencing on the front boundary. Conversion of the existing two self contained flats to a single family house.

  Awaiting decision Conditions New dwelling Extension +1 3 docs
  Small domestic

• P/2026/1916 Granted

  Police Station, 34 Hanworth Road, Feltham, TW13 5BD

  Replacement of existing vehicular and pedestrian gate with associated new control pedestals, new fencing and posts.

  Received 29 Jun, published by the council 26 Jul 2026 Full applications
• P/2026/2212 Granted

  190 Jersey Road, Isleworth, TW7 4QN

  Change of use of the existing House in Multiple Occupation (Use Class C4) occupied by up to six persons to a large House in Multiple Occupation (Sui Generis) occupied by up to eight persons, with no internal changes.

  Received 29 Jul, published by the council 5 Aug 2026 Full applications
• P/2026/1676 Granted

  Clayponds Open Space, Clayponds Gardens, London, W5 4RQ

  Replacement of ball court (MUGA) to a football foundation play zone, installation of new fencing, lighting and associated equipment

  Received 4 Jun, published by the council 26 Jul 2026 Full applications
• P/2026/2806 Awaiting decision

  COST CHOICE, UNIT 5, HIGH STREET, BRENTFORD,TW8 8LB

  Installation of ATM machine to the shopfront..

  Received 30 Sep, published by the council 6 Oct 2026 Full applications
• P/2026/1648 Refused

  Heathrow House, 785 Bath Road, Hounslow, TW5 9AT

  Change of use from 20 residential apartments (14 x one-bedroom and 6 x two-bedroom) to serviced accommodation across three floors 2,3 and 4 of the building.

  Received 3 Jun, published by the council 26 Jul 2026 Full applications