UNIT 27 TREATY CENTRE HIGH STREET, HOUNSLOW, TW3 1ES

This site has had 2 applications since 2021: 1 approved, 0 refused.

• P/2021/3344 Granted

  UNIT 27 TREATY CENTRE HIGH STREET, HOUNSLOW, TW3 1ES

  Change of use of the ground floor from retail to employment centre including associated external works

  Decided 12 Oct 2021 Full applications

1. 12 Aug 2021

   Received by Hounslow

2. 25 Aug 2021

   Decision issued: Withdrawn

3. 2 Sep 2026

   Added to PlanIndex

The applicant withdrew this application before Hounslow decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• UNIT 27 TREATY CENTRE HIGH STREET, HOUNSLOW, TW3 1ES

  P/2021/3344 Submitted 17 Aug 2021 50 yards away

  Change of use of the ground floor from retail to employment centre including associated external works

  Granted Full applications 9 docs

• Phase 1a, Treaty Centre, 263-277 High Street, Hounslow, TW3 1ES

  P/2025/2643 Submitted 1 Sep 2025 50 yards away

  The partial retention of existing retail floorspace fronting the High Street (Class E) and associated access alterations and landscaping.

  Withdrawn Full applications 50 docs

• The Treaty Centre, High Street, Hounslow TW3 1ES

  P/2025/2650 Submitted 29 Aug 2025 50 yards away

  Hybrid application for the complete demolition of the Treaty Centre and associated multi-storey car park and severable phased redevelopment comprising: In full detail: Phase 1a, the partial retention of existing retail floorspace fronting the High Street (Use Class E) and associated access alterations and landscaping. In full detail: Phase 1, new Build-to-Rent (BTR) homes (Use Class C3) and associated private and communal amenity space, new public realm, flexible commercial floorspace (Use Class E), private and publicly accessible car parking spaces and other associated access alterations and landscaping. In Outline: Phase 2 new homes (Use Class C3) and associated private and communal amenity space, new public realm, cultural/community floorspace (Sui Generis and Use Class F), flexible commercial floorspace (Use Class E), and private and publicly accessible car parking spaces and other associated access alterations and landscaping. All matters are reserved, except access. In Outlin... read more

  Withdrawn Outline New dwelling Demolition 200 docs
  Major scheme

• The Treaty Centre High Street Hounslow TW3 1ES

  253881CONS Submitted 9 Oct 2025 50 yards away

  91% historically approved · decision due ~8 Dec

  Hybrid application for the complete demolition of the Treaty Centre and associated multi-storey car park and severable phased redevelopment comprising: In full detail: Phase 1a, the partial retention of existing retail floorspace fronting the High Street (Use Class E) and associated access alterations and landscaping. In full detail: Phase 1, new Build-to-Rent (BTR) homes (Use Class C3) and associated private and communal amenity space, new public realm, flexible commercial floorspace (Use Class E), private and publicly accessible car parking spaces and other associated access alterations and landscaping. In Outline: Phase 2 new homes (Use Class C3) and associated private and communal amenity space, new public realm, cultural/community floorspace (Sui Generis and Use Class F), flexible commercial floorspace (Use Class E), and private and publicly accessible car parking spaces and other associated access alterations and landscaping. All matters are reserved, except access. In Outline: Phase 3 new homes (Use Class C3) and associated private and communal amenity space, new public realm, flexible commercial floorspace (Use Class E), and private and publicly accessible car parking spaces and other associated access alterations and landscaping. All matters are reserved, except access. Building heights across the development will range from 1 to 25 storeys (Out of Borough)

  Awaiting decision Outline New dwelling Demolition

• The Treaty Centre, High Street, Hounslow, TW3 1ES

  PA25/3636 Submitted 9 Oct 2025 50 yards away

  Hybrid application for demolition of the Treaty Centre and associated multi-storey car park, and redevelopment for Use Class E, C3, F and Sui Generis (see consultation letter for full description). LB Hounslow ref P/2025/2650.

  Decided Outline Demolition 2 docs

• The Treaty Centre High Street Hounslow TW3 1ES

  253881CONS Submitted 9 Oct 2025 50 yards away

  89% historically approved · decision due ~8 Dec

  Hybrid application for the complete demolition of the Treaty Centre and associated multi-storey car park and severable phased redevelopment comprising: In full detail: Phase 1a, the partial retention of existing retail floorspace fronting the High Street (Use Class E) and associated access alterations and landscaping. In full detail: Phase 1, new Build-to-Rent (BTR) homes (Use Class C3) and associated private and communal amenity space, new public realm, flexible commercial floorspace (Use Class E), private and publicly accessible car parking spaces and other associated access alterations and landscaping. In Outline: Phase 2 new homes (Use Class C3) and associated private and communal amenity space, new public realm, cultural/community floorspace (Sui Generis and Use Class F), flexible commercial floorspace (Use Class E), and private and publicly accessible car parking spaces and other associated access alterations and landscaping. All matters are reserved, except access. In Outline: Phase 3 new homes (Use Class C3) and associated private and communal amenity space, new public realm, flexible commercial floorspace (Use Class E), and private and publicly accessible car parking spaces and other associated access alterations and landscaping. All matters are reserved, except access. Building heights across the development will range from 1 to 25 storeys (Out of Borough)

  Awaiting decision Outline New dwelling Demolition

• P/2026/2730 Awaiting decision

  106 Bassett Gardens, Isleworth, TW7 4QY

  Non-Material Amendment to add a side window on the ground floor extension pursuant to permission PA/2025/3772 dated 29/01/2026 for ground floor rear extension 5.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves

  Received 28 Sep, published by the council 30 Sep 2026 Amendments
• P/2026/2724 Awaiting decision

  719-727, London Road, Hounslow, TW3 1SE

  Variation of condition 2 (Approved Plans) to allow minor amendments to the approved drawings, including an increase in homes from 55 to 64, reduction in height from 10 storey to a maximum height of 6 storey, alterations to the site layout, altered internal layout plan layouts and inclusion of secondary fire escape stairs, and alternative elevational treatment following planning permission P/2023/3730 approved 31/10/2024 Variation of condition 2 (Approved Plans) to allow minor amendments to the approved drawings to include site layout, altered internal layout plan layouts and inclusion of secondary fire escape stairs, and alternative elevational treatment of planning permission P/2021/2614 approved under appeal APP/F5540/W/22/3298720 dated 21/11/2022 for Demolition of existing building and erection of a part three, part four, part five and part ten storey building to provide 55 dwellings with associated access, on-site servicing, car parking, landscaping and refuse and recycling storage... read more

  Received 28 Sep, published by the council 6 Oct 2026 Amendments
• P/2026/2542 Granted

  Former Units 9 and 10 Victory Business Centre, Fleming Way, Isleworth, TW7 6DB

  Non material amendment to amend the wording of Condition 30 (Cycle Parking) from not less than 66 long-stay and 4 short-stay bicycles to require not less than 46 long-stay and 2 short-stay bicycles of planning permission P/2023/1686 granted on 20/06/2024 for the redevelopment of Unit 9 and Unit 10 as a part four, part five-story residential block (Use Class C3) consisting of 33 flats with associated infrastructure and landscaping

  Received 7 Sep, published by the council 17 Sep 2026 Amendments
• P/2026/2124 Granted

  Former Chiswick Police Station, 205-211 Chiswick High Road, London, W4 2DU

  Non material amendment to optimise the internal layouts for both residents and staff, to improve the buildability of the development, and to ensure compliance with current statutory requirements, technical standards and regulatory obligations of 00248/205-211/P1 (P/2023/1632) approved 31/05/2024

  Received 21 Jul, published by the council 26 Jul 2026 Amendments
• P/2026/2442 Granted

  27 Cranford Lane, Hounslow, TW5 9EP

  Non-material amendment to change the paving materials approved through application P/2025/2148 on 02/09/2025 for the discharge of details relating to Condition 13 (hard and soft landscaping), submitted pursuant to planning permission P/2024/4105 dated 24/03/2025 for erection of four, two/three storey residential dwellings with associated private amenity space, parking, landscaping, cycle and refuse storage following demolition of the existing building.

  Received 26 Aug, published by the council 2 Sep 2026 Amendments