125-135 Quest House,Staines Road,Hounslow,TW3 3JB

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

• P/2025/2603 Granted

  125-135 Quest House,Staines Road,Hounslow,TW3 3JB

  Details of condition 3 materials of planning permission P/2023/2560 approved 30/06/2025 for the erection of 1 additional storey at roof level along with a plant room above, solar panels and new cycle storage.

  Decided 24 Sep 2025 Conditions

1. 26 Aug 2025

   Received by Hounslow

2. 21 Oct 2025

   Decision issued: APPROVED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 21 October 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.

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.

• QUEST HOUSE 125-135 STAINES ROAD, HOUNSLOW, TW3 3JB

  P/2021/2407 Submitted 14 Jun 2021 0m away

  Details submitted pursuant to condition 4 (Electric Charging) and condition 6 (Cycle parking and storage) of prior approval 01054/125-135/PA1 dated 10/03/2021 for the change of Use from Office to 50 flats; provision of 60 car parking spaces; cycle parking spaces, refuse storage and associate works.

  Refused Conditions New dwelling 7 docs
  Major scheme

• 125-135 Quest House,Staines Road,Hounslow,TW3 3JB

  P/2025/2603 Submitted 26 Aug 2025 0m away

  Details of condition 3 materials of planning permission P/2023/2560 approved 30/06/2025 for the erection of 1 additional storey at roof level along with a plant room above, solar panels and new cycle storage.

  Granted Conditions 8 docs

• Quest House 125-135 Staines Road, Hounslow, TW3 3GQ

  P/2025/3409 Submitted 13 Nov 2025 0m away

  65% historically approved · decision due ~16 Jan

  Erection of a front infill extension to create one additional flat at fifth floor level and enlargement of eight existing flats with associated alterations

  Awaiting decision Full applications New dwelling Extension 8 docs

• QUEST HOUSE 125-135 STAINES ROAD, HOUNSLOW, TW3 3JB

  P/2021/2406 Submitted 14 Jun 2021 0m away

  Details submitted pursuant to Condition 9 (Construction and Logistic Plan) for prior approval 01054/125-135/PA1 dated 10/03/2021 for the change of Use from Office to 50 flats; provision of 60 car parking spaces; cycle parking spaces, refuse storage and associate works.

  Refused Conditions New dwelling 5 docs
  Major scheme

• QUEST HOUSE 125-135 STAINES ROAD, HOUNSLOW, TW3 3JB

  P/2021/2281 Submitted 8 Jun 2021 0m away

  Details submitted pursuant to Condition 10A (noise) for planning permission 01054/125-135/PA1 dated 10/03/2021 for change of use from office to 50 flats; provision of 60 car parking spaces; cycle parking spaces, refuse storage and associate works.

  Granted Prior approval New dwelling 5 docs
  Major scheme

• Falcon House, 115-123 Staines Road, Hounslow

  P/2025/0217 Submitted 22 Jan 2025 29m away

  Erection of a single storey front extension and reconfiguration of the ground floor internal layout to the hotel

  Withdrawn Full applications Extension 7 docs
  Small 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