1 and 3 Walnut Tree Road, Hounslow, TW5 0LP

1. 1 Jul 2026

   Received by Hounslow

2. 6 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 31 August 2026, 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 lawful development applications in a median of 55 days. More in our guide to how long planning decisions take.

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.

• 9 Walnut Tree Road, Hounslow, TW5 0LP

  P/2025/3180 Submitted 22 Oct 2025 37m away

  77% historically approved · decision due ~17 Dec

  Erection of single storey rear infill extension to the house.

  Awaiting decision Householder Extension 8 docs
  Small domestic

• ROSE AND CROWN 220 HESTON ROAD, HOUNSLOW, TW5 0RH

  P/2023/0541 Submitted 20 Feb 2023 52m away

  Work to trees in conservation area. 5 hazel trees in front garden of public house - Re-pollard to previous pollard points

  Granted Trees 4 docs

• ROSE AND CROWN 220 HESTON ROAD, HOUNSLOW, TW5 0RH

  P/2023/0540 Submitted 20 Feb 2023 52m away

  Works to trees in conservation area. Leylandii x 20 - Crown lift to 4 metres and crown reduce by 3 metres. Sycamore x 5 - Crown lift to 5 metres and crown reduce by 4 metres

  Granted Trees 4 docs

• 24 NEW HESTON ROAD, HOUNSLOW, TW5 0LJ

  P/2023/0067 Submitted 6 Jan 2023 70m away

  Erection of a rear roof extension with two front roof lights

  Granted Householder Extension Loft or dormer 10 docs
  Domestic

• 236A Heston Road, Hounslow, TW5 0RH

  P/2025/3645 Submitted 8 Dec 2025 80m away

  66% historically approved · decision due ~16 Jun

  Erection of a three storey commercial (Class E (g(ii)) building and nine houses with associated landscaping works including improvements to the public footpath following demolition of existing buildings and structures.

  Awaiting decision Full applications Demolition 37 docs
  Several homes

• 21 WALNUT TREE ROAD, HOUNSLOW, TW5 0LP

  P/2024/0999 Submitted 22 Mar 2024 88m away

  Certificate of Lawfulness for the existing use of the property as three self-contained flats.

  Granted Lawful development New dwelling 16 docs

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  Received 20 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  Received 10 Sep, published by the council 17 Sep 2026 Lawful development
• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  Received 17 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development