23 WILMINGTON AVENUE, CHISWICK, W4 3HA

This site has had 3 applications since 2023: 1 approved, 2 refused.

• P/2023/0126 Refused

  23 WILMINGTON AVENUE, CHISWICK, W4 3HA

  Certificate of Lawfulness for erection of rear roof extension with loft conversion and front roof windows to the house

  Decided 28 Feb 2023 Lawful development
• P/2023/0127 Refused

  23 WILMINGTON AVENUE, CHISWICK, W4 3HA

  Certificate of Lawfulness for erection of rear roof extension incorporating loft conversion and an extension to the rear outrigger roof including front windows to the house

  Decided 28 Feb 2023 Lawful development

1. 31 Mar 2023

   Received by Hounslow

2. 2 Jun 2023

   Decision issued: APPROVED

3. 6 Oct 2026

   Added to PlanIndex

Hounslow granted permission on 2 June 2023, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 23 WILMINGTON AVENUE, CHISWICK, W4 3HA

  P/2023/0126 Submitted 12 Jan 2023 50 yards away

  Certificate of Lawfulness for erection of rear roof extension with loft conversion and front roof windows to the house

  Refused Lawful development Extension Loft or dormer +1 6 docs

• 23 WILMINGTON AVENUE, CHISWICK, W4 3HA

  P/2023/0127 Submitted 12 Jan 2023 50 yards away

  Certificate of Lawfulness for erection of rear roof extension incorporating loft conversion and an extension to the rear outrigger roof including front windows to the house

  Refused Lawful development Extension Loft or dormer +1 5 docs

• 11 Wilmington Avenue, Chiswick, London, W4 3HA

  P/2025/3402 Submitted 12 Nov 2025 50 yards away

  Works to tree within a conservation area. Betula pendula (T1). Carry out a minor crown reduction of overhang to the neighbouring property (no.9) and its outbuilding, reducing secondary growth back by up to 2 metres as indicated on the marked photos. Crown lift low branches to 5 metres above ground level.

  Granted Trees 4 docs

• 12 WILMINGTON AVENUE, CHISWICK, LONDON, W4 3HA

  P/2023/0846 Submitted 16 Mar 2023 50 yards away

  Erection of an enlarged single storey rear extension and rear roof extension with one front roof window, installation of air conditioning unit to ground floor rear extension's roof, erection of 1.8m rear garden boundary walls

  Granted Householder Extension Windows or glazing 12 docs
  Small domestic

• 16 Wilmington Avenue, Chiswick, London, W4 3HA

  P/2026/2816 Submitted 5 Oct 2026 50 yards away

  99% historically approved · decision due ~30 Nov

  Works to tree within a conservation area. Pear (T1) - Fell tree to ground level and replace with one or more new trees of appropriate species.

  Awaiting decision Trees 2 docs

• 6 Wilmington Avenue, Chiswick, London, W4 3HA

  P/2026/1139 Submitted 13 Apr 2026 50 yards away

  Works to four trees within a conservation area: T1 Yew - Fell to ground and grind stump to approximately 300mm below ground level. T2 Apple - Fell to ground and grind stump to approximately 300mm below ground level. T3 Crab Apple - Fell to ground and grind stump to approximately 300mm below ground level. T5 Apple - Fell to ground and grind stump to approximately 300mm below ground level.

  Granted Trees 4 docs

• P/2026/2304 Granted

  18 Clifden Road, Brentford, TW8 0PF

  Erection of a side and rear extensions.

  Received 7 Aug, published by the council 12 Aug 2026 Householder
• P/2026/2804 Awaiting decision

  128 Durham Road, Feltham, TW14 0AE

  Erection of a detached outbuilding in the rear garden following demolition of existing shed.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/2301 Granted

  4 Glebe Street, Chiswick, W4 2BG

  Erection of a front side and rear side infill extensions with alterations to the rear elevation, a rear side first floor infill extension with replacement of windows to the rear elevation and installation of new rooflights to the existing ground floor infill extension of the house

  Received 7 Aug, published by the council 16 Aug 2026 Householder
• P/2026/1167 Granted

  20 Firs Drive, Hounslow, TW5 9TD

  Erection of part one, part two-storey side extension following demolition of existing garage and part one, part two-storey rear extension. Raising of roof ridge, erection of rear roof extensions, and installation of one front roof window.

  Received 15 Apr, published by the council 26 Jul 2026 Householder
• P/2026/2025 Granted

  1 Kneller Gardens, Isleworth, TW7 7NP

  Erection of a single storey rear and first floor side extension incorporating the conversion of the existing garage to a habitable room

  Received 8 Jul, published by the council 26 Jul 2026 Householder