28 Thorney Hedge Road, Chiswick, London, W4 5SD

This site has had 2 applications since 2025: 2 approved, 0 refused.

• P/2026/0099 Granted

  28 Thorney Hedge Road, Chiswick, London, W4 5SD

  Erection of a rear roof extension to the house.

  Decided 1 Apr 2026 Householder

1. 24 Oct 2025

   Received by Hounslow

2. 18 Dec 2025

   Decision issued: LAWFNOTGRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 18 December 2025, 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.

• 28 Thorney Hedge Road, Chiswick, London, W4 5SD

  P/2026/0099 Submitted 13 Jan 2026 50 yards away

  Erection of a rear roof extension to the house.

  Granted Householder Extension 14 docs
  Domestic

• 51 Silver Crescent,Chiswick,W4 5SF

  P/2026/1819 Submitted 18 Jun 2026 50 yards away

  Erection of a part single storey and part first floor rear and side extension.

  Granted Householder Extension 5 docs
  Small domestic

• 51 Silver Crescent,Chiswick,W4 5SF

  P/2026/1810 Submitted 17 Jun 2026 50 yards away

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

  Granted Lawful development Extension Windows or glazing 5 docs

• 51 Silver Crescent,Chiswick,W4 5SF

  P/2026/2258 Submitted 4 Aug 2026 50 yards away

  Erection of a rear roof extension and two front rooflights to the house.

  Granted Householder Extension Loft or dormer 6 docs
  Domestic

• 40 THORNEY HEDGE ROAD, CHISWICK, LONDON, W4 5SD

  P/2023/0304 Submitted 31 Jan 2023 50 yards away

  Erection of a single storey rear extension following the demolition of the existing conservatory to create two self-contained flats

  Granted Full applications New dwelling Extension +1 59 docs
  Small domestic

• First Floor Flat 39B Thorney Hedge Road, Chiswick, London, W4 5SB

  P/2025/3823 Submitted 2 Jan 2026 50 yards away

  Erection of a rear roof extension with two front roof windows.

  Granted Full applications Extension Windows or glazing 10 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