63 Whitehall Park Road, Chiswick, London, W4 3NB

1. 14 Jan 2026

   Received by Hounslow

2. 1 Apr 2026

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 1 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 51A ST MARYS GROVE, CHISWICK, LONDON, W4 3LW

  P/2021/2470 Submitted 18 Jun 2021 54m away

  Erection of a single storey outbuilding in the rear garden of the flat.

  Granted Full applications 7 docs
  Small domestic

• 51A ST MARYS GROVE, CHISWICK, LONDON, W4 3LW

  P/2021/2471 Submitted 18 Jun 2021 54m away

  Erection of a single storey rear/ side extension with roof alterations and associated works to the flat.

  Refused Full applications Extension Roofing 7 docs
  Small domestic

• 37 St Marys Grove, Chiswick, London, W4 3LN

  P/2025/2959 Submitted 2 Oct 2025 56m away

  Certificate of Lawfulness for change of use from a House in Multiple Occupation (Class 4) to a house (Class C3a).

  Granted Lawful development 13 docs

• 37 St Marys Grove, Chiswick, London, W4 3LN

  P/2025/3054 Submitted 10 Oct 2025 56m away

  Certificate of lawfulness for the proposed erection of two rear roof extensions with Juliet balconies, four front roof windows to the house and removal of chimney.

  Granted Lawful development Extension Windows or glazing 13 docs

• 3 Copper Tree Mews,Whitehall Park Road,Chiswick,W4 3NB

  P/2026/2029 Submitted 8 Jul 2026 65m away

  Works to trees in a conservation area ; T1 Sycamore to cut back branches to boundary line. T2 - Sycamore to cut back branches back to boundary line.

  Withdrawn Trees 2 docs

• 59 St Marys Grove, Chiswick, London, W4 3LW

  P/2024/3403 Submitted 11 Oct 2024 82m away

  Erection of a rear roof extension to the house.

  Refused Householder Extension 18 docs
  Domestic

• P/2026/2010 Granted

  Granwood Court, 20 The Grove, Isleworth, TW7 4JX

  Variation of Condition 2 (Approved Plans) to remove the PVC cladding panels on the existing elevations and replace with render and changes to the windows within the third floor following planning permission P/2022/3520 approved 14/04/2023 erection of a third floor roof extension incorporating five self-contained flats with associated refuse and cycle parking provision.

  7 Jul 2026 Conditions
• P/2026/0078 Granted

  Buildings 29-37,MOD Feltham Site,Elmwood Avenue,Feltham,Middlesex,TW13 7AH

  Details submitted pursuant to Condition 5 (Construction Logistics Management Plan), Condition 16 (Watching Brief), Condition 17 (Invasive Species), Condition 19 (Biodiversity Net Gain), Condition 28 (Remediation Strategy), and Condition 32 (Bird Hazard Management Plan) of permission P/2024/0622 dated 31/10/2025 for Formation of a new school, erection of three new school buildings with main access from Browell's Lane, installation of a multi use games area, playing pitch, parking, landscaping and associated infrastructure following the demolition of the former MOD buildings.

  12 Jan 2026 Conditions
• P/2026/1558 Granted

  74 Dukes Avenue, Chiswick, London, W4 2AF

  Variation of condition 2 (approved plans) to allow the reduction in size of the outbuilding and the garden storage moved of planning permission P/2024/3412 approved 20/12/2024 for the erection of a single storey detached out building for use as paint studio in the rear garden

  22 May 2026 Conditions
• P/2026/2464 Awaiting decision

  Rivers Academy Tachbrook Road, Feltham, TW14 9PE

  Details of Condition 12 (School Access Strategy) submitted pursuant to permission P/2025/1059 dated 15/08/2025 for Erection of a three storey temporary school building and provision of temporary playing pitches on the school sports field.

  28 Aug 2026 Conditions
• P/2026/2453 Awaiting decision

  155 Chiswick High Road, Chiswick, London, W4 2DT

  Variation of Condition 9 ( Internal water usage) to the flats hereby approved, shall be fitted to ensure that the development would achieve the internal water usage of 105 litres per person per day target of planning permission P/2024/2338 approved 07/01/2025 for the conversion of the existing unit on the ground floor into two commercial units incorporating the conversion of the rear garage to commercial space. Erection of a two storey rear extension to facilitate the change of use of the existing commercial unit on the first and second floor into three self contained flats. Installation of one front and one side roof window, solar panels on the roof and side elevation windows.

  27 Aug 2026 Conditions