19 Whitehall Gardens, Chiswick, London, W4 3LT

1. 10 Aug 2026

   Received by Hounslow

2. 16 Aug 2026

   Added to PlanIndex

3. 23 Aug 2026

   Status changed to REGISTERED: Under Consultation

   Previously REGISTERED: Valid.

4. Decision

   Awaiting decision

   Decision expected by 5 October 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 55 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 householder applications in a median of 62 days. More in our guide to how long planning decisions take.

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.

• 19 and 21 Whitehall Gardens, Chiswick, London, W4 3LT

  P/2025/3071 Submitted 13 Oct 2025 0m away

  Erection of a single storey rear extension at both 19 and 21. Erection of a rear roof extension with two front roof windows and Juliette balcony, and a second floor rear extension at 21.

  Granted Householder Extension Windows or glazing 10 docs
  Small domestic

• 22 WHITEHALL GARDENS, CHISWICK, W4 3LT

  P/2021/1905 Submitted 14 May 2021 29m away

  Erection of a single storey rear extension and internal alterations to the house

  Granted Householder Extension 7 docs
  Small domestic

• 14 Whitehall Gardens, Chiswick, London, W4 3LT

  P/2026/0623 Submitted 23 Feb 2026 38m away

  Retrospective conversion of the existing residential house C3 to a House in Multiple Occupation C4 with associated cycle and refuse storage

  Refused Full applications 11 docs

• 7 WHITEHALL PARK ROAD, CHISWICK, LONDON, W4 3NE

  P/2023/0315 Submitted 31 Jan 2023 63m away

  Erection of a single storey rear and infill wrap around extension

  Granted Householder Extension 9 docs
  Small domestic

• 13 Gordon Road, Chiswick, London, W4 3LU

  P/2024/1853 Submitted 5 Jun 2024 93m away

  Ground floor side infill extension and rear extension.

  Granted Householder Extension 14 docs
  Domestic

• 55 WOLSELEY GARDENS, CHISWICK, LONDON, W4 3LZ

  P/2021/3318 Submitted 16 Aug 2021 101m away

  Non-material amendment for change ground floor door and casement window in side elevation from timber to aluminium. Change casement window in ground floor rear elevation from timber to aluminium. Change first floor timber casement windows to top opening.

  Granted Amendments Windows or glazing 3 docs

• P/2026/2047 Granted

  9 Borough Road, Isleworth, TW7 5DY

  Erection of a single storey rear extension.

  10 Jul 2026 Householder
• P/2026/1858 Granted

  8 CONNAUGHT AVENUE, HOUNSLOW, TW4 5BW

  Erection of single storey front extension to the outbuilding for used as storage, office and a Gym. Following part demolition of the outbuilding.

  23 Jun 2026 Householder
• P/2026/2503 Awaiting decision

  25 Arnold Crescent, Isleworth, TW7 7NS

  Erection of a single storey rear, two storey side extension, and rear roof extension with two front roof windows to the house.

  3 Sep 2026 Householder
• P/2026/1522 Granted

  4 Camborne Way, Hounslow, TW5 0PW

  Erection of a single storey rear extension and reduction in width of the existing side and rear extension.

  20 May 2026 Householder
• P/2026/2024 Granted

  20 Hartland Road, Isleworth, TW7 6RH

  Erection of a rear roof extension with windows to the front of the house.

  8 Jul 2026 Householder