20 Kinnaird Avenue, Chiswick, London, W4 3SH

This site has had 2 applications since 2026: 2 approved, 0 refused.

• P/2026/1318 Granted

  20 Kinnaird Avenue, Chiswick, London, W4 3SH

  Erection of a part single storey rear extension to the house

  Decided 2 Jul 2026 Householder

1. 24 Feb 2026

   Received by Hounslow

2. 21 Apr 2026

   Decision issued: LAWFNOTGRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 21 April 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.

• 20 Kinnaird Avenue, Chiswick, London, W4 3SH

  P/2026/1318 Submitted 30 Apr 2026 50 yards away

  Erection of a part single storey rear extension to the house

  Granted Householder Extension 11 docs
  Small domestic

• 18 Kinnaird Avenue, Chiswick, London, W4 3SH

  P/2024/3911 Submitted 21 Nov 2024 50 yards away

  Works to four trees on site in conservation area. At front Lawson's Cypress (T1) - Lift crown lowest branches to 2.m above ground level - cut back any branches protruding from main canopy line. In rear garden Weeping Willow (T2) -reduce entire crown to previous reduction points retaining 10% of finer branch furnishings T3 - Bay(Laurus nobilis) -reduce height by 1m to suitable growth points -trim back front face branches by up to 0.75m. T4 - Norway Maple(Acer platanoides) -light crown trim removing new growth branches.

  Granted Trees 4 docs

• 22 Kinnaird Avenue, Chiswick, London, W4 3SH

  P/2024/2593 Submitted 29 Jul 2024 50 yards away

  Enlargement of existing two-storey side extension with additional side hipped roof and replacement of front garage door with window, erection of a rear roof extension with two front roof windows and two side roof windows. Erection of a single-storey rear extension and replacement of rear first floor windows, removal of rear chimney

  Granted Householder Extension Windows or glazing 14 docs
  Small domestic

• 24 Kinnaird Avenue, Chiswick, London, W4 3SH

  P/2025/2624 Submitted 27 Aug 2025 50 yards away

  Works to trees in a Conservation Area - 1 X T1 (Leyland Cypress) fell in sections, 1 X T2 (Blue Atlas Cedar) reduce height and lateral spread by 3.5m, leaving a natural form remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adversities and 1 X T3 (Leyland Cypress) reduce height and lateral spread by 2m- 2.5m, leaving a natural form, remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adversities in rear garden

  Granted Trees 4 docs

• 33 Kinnaird Avenue, Chiswick, London, W4 3SH

  P/2026/1302 Submitted 30 Apr 2026 50 yards away

  Works to a tree within a conservation area. Juneberry (Alemanchier) T1. Fell in sections to ground level.

  Granted Trees 4 docs

• 50 GROVE PARK ROAD, CHISWICK, W4 3SD

  P/2024/0715 Submitted 4 Mar 2024 50 yards away

  Installation of replacement front windows to the ground floor maisonette

  Granted Full applications Windows or glazing 15 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