38 Park Road, Chiswick, London, W4 3HH

1. 4 Mar 2026

   Received by Hounslow

2. 23 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 19 May 2026

   Decision issued: LAWFNOTGRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 19 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 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.

• 38 Park Road,Chiswick,W4 3HH

  P/2026/1845 Submitted 22 Jun 2026 50 yards away

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

  Granted Lawful development 7 docs

• 36 Park Road, Chiswick, London, W4 3HH

  P/2026/2761 Submitted 29 Sep 2026 50 yards away

  99% historically approved · decision due ~24 Nov

  Works to Yew Tree (T1) within tree preservation order No 47. Reduce back to previous reduction points or approx. 1-2m.

  Awaiting decision Trees 2 docs

• 36 Park Road, Chiswick, London, W4 3HH

  P/2026/2764 Submitted 29 Sep 2026 50 yards away

  99% historically approved · decision due ~24 Nov

  Works to tree within a conservation area. Birch (T4). Reduce back to previous reduction points or approx. 1-2m.

  Awaiting decision Trees 2 docs

• 44 PARK ROAD, CHISWICK, W4 3HH

  P/2023/1087 Submitted 5 Apr 2023 50 yards away

  Erection of single storey rear extension, part first floor rear extension, single storey side extension and a new outbuilding with solar panels to side roof elevation.

  Granted Householder Extension 14 docs
  Small domestic

• 44 Park Road, Chiswick, London, W4 3HH

  P/2024/3192 Submitted 23 Sep 2024 50 yards away

  Retrospective application for the erection of part single part two storey rear extension

  Granted Householder Extension 10 docs
  Domestic

• 48 PARK ROAD, CHISWICK, LONDON, W4 3HH

  P/2021/1938 Submitted 17 May 2021 50 yards away

  Conversion of rear roof space into habitable room incorporating an increase in roof height and addition of rear window.

  Granted Householder Windows or glazing 8 docs
  Domestic

• 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