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

1. 23 Sep 2026

   Received by Hounslow

2. 27 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 18 November 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 56 days over the applications it decided in the last year.

• P/2025/3409 Awaiting decision

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

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

  Submitted 13 Nov 2025 Full applications

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided condition discharge and variation applications in a median of 59 days. More in our guide to how long planning decisions take.

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 50 yards 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 50 yards 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

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

  P/2025/2602 Submitted 26 Aug 2025 50 yards away

  Details of condition 4 Construction Method Statement 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 7 docs

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

  P/2025/3409 Submitted 13 Nov 2025 50 yards away

  64% 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 50 yards 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 50 yards 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

• P/2026/2537 Granted

  LAND AT UPS HOUSE FOREST ROAD, FELTHAM, TW13 7DY

  Details of Part B of Condition 26 (EV Charging Points) submitted pursuant to permission P/2023/2176 dated 12/11/2024 for Redevelopment of the Site to provide six industrial units (Class E(g)(iii) / B2 / B8) accommodating 6,286 sqm employment floor space with associated landscaping, drainage, access and other works following the demolition of the existing buildings on the Site

  Received 7 Sep, published by the council 10 Sep 2026 Conditions
• P/2026/0968 Granted

  U P S House, Forest Road, Feltham, TW13 7DY

  Details of condition 28 (Servicing and Delivery Plan) submitted pursuant to planning permission P/2023/2176 dated 12/11/2024 for Redevelopment of the Site to provide six industrial units (Class E(g)(iii) / B2 / B8) accommodating 6,286 sqm employment floor space with associated landscaping, drainage, access and other works following the demolition of the existing buildings on the Site

  Received 25 Mar, published by the council 26 Jul 2026 Conditions
• P/2026/2173 Granted

  Land Rear of 26-48 & 34 Amhurst Gardens, Isleworth,TW7 6AJ

  Details of Conditions 5 (Hard and Soft Landscaping), 9 (Boundary Treatment) and 22 (Stage 1 Written Scheme of Investigation (WSI)) submitted pursuant to planning permission P/2025/0430 dated 28/11/2025 for erection of eight houses with an associated access road, private parking, amenity space, landscaping, cycle and bin stores following the demolition of 34 Amhurst Gardens

  Received 27 Jul, published by the council 30 Jul 2026 Conditions
• P/2026/2302 Granted

  17 Greencroft Road, Hounslow, TW5 0BQ

  Details of Condition 2 (Clothes drying area) submitted pursuant to planning permission P/2025/3107 approved on appeal (Appeal Ref: 6004619) dated 24/06/2026 for the retrospective planning application for change of use from a single family house (Use Class C3) to a House in Multiple Occupation (HMO) for up to six people (Use Class C4)

  Received 7 Aug, published by the council 12 Aug 2026 Conditions
• P/2026/2276 Refused

  Hanworth Trading Estate, Unit 1,Hampton Road West,Feltham,TW13 6DH

  Details of Condition 5 (Construction Logistics Plan) and condition 6 (cycle stands) submitted pursuant to permission P/2025/2585 dated 28/04/2026 for Change of use from Car Storage, use Class B8, to Open Self Storage, use Class B8, and the siting of 382 storage containers.

  Received 4 Aug, published by the council 12 Aug 2026 Conditions