The Treaty Centre, High Street, Hounslow TW3 1ES

1. 29 Aug 2025

   Received by Hounslow

2. 6 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 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 outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• 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  Withdrawn Full applications 50 docs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

  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

  78% historically approved · decision due ~4 Dec

  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.

  Awaiting decision Outline Demolition 2 docs

• The Treaty Centre High Street Hounslow TW3 1ES

  253881CONS Submitted 9 Oct 2025 50 yards away

  90% 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

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

  P/2021/3278 Submitted 12 Aug 2021 50 yards away

  Non-material amendment application seeks to amend Condition 4 to allow Instant Managed Offices Ltd to facilitate the ground floor of Unit 27

  Withdrawn Amendments 4 docs

• 227 High Street, Hounslow, TW3 1DH

  P/2026/1409 Submitted 11 May 2026 50 yards away

  Retrospective application for the installation of one internally illuminated fascia sign and one internally illuminated projecting sign.

  Granted Advertising 7 docs

• SC/2026/2149 Decided

  LAND AT CHISWICK ROUNDABOUT, CHISWICK, W4 5QJ

  Scoping opinion for redevelopment of the site to provide 496 co-living units and 60 C3 affordable units alongside retail offering, play space and a roof level external amenity space, with a maximum height of 24 storeys

  Received 22 Jul, published by the council 26 Jul 2026 Outline
• PAC/2026/2008 Granted

  First Floor, Vine Works, Church Street, Chiswick, London, W4 2PD

  Prior Approval for change of use of the existing building's first floor office (Use Class E) to a self-contained one bedroom, two person flat (Use Class C3).

  Received 3 Jul, published by the council 26 Jul 2026 Outline
• SC/2026/1860 Decided

  Brentford Community Stadium Lionel Road South, Brentford, TW8 0RU

  Scoping opinion for the use of the existing stadium for live music events.

  Received 23 Jun, published by the council 26 Jul 2026 Outline
• PA/2026/1852 Granted

  Dukes Gate, Acton Lane, Chiswick, London, W4 5DX

  Prior approval for the erection of an additional floor extension to provide 10 residential units

  Received 18 Jun, published by the council 26 Jul 2026 Outline
• PAC/2026/1850 Granted

  Dukes Gate, Acton Lane, Chiswick, London, W4 5DX

  Prior approval for the change of use from commercial, business and service (Use Class E) to residential floorspace (C3) creating 29 residential units

  Received 18 Jun, published by the council 26 Jul 2026 Outline