The Treaty Centre High Street Hounslow TW3 1ES

1. 9 Oct 2025

   Received by Ealing

2. 13 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 3 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 8 December 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Ealing took a median of 56 days over the applications it decided in the last year.

This application is with Ealing for determination, against a statutory target of eight weeks. Over the last year Ealing decided outline applications in a median of 20 days. More in our guide to how long planning decisions take.

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  Withdrawn Full applications 50 docs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

  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  Withdrawn Outline New dwelling Demolition 200 docs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

  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

  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

• 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

• 263226OPDCOB Granted

  Shell Park Royal Service Station Royal Leisure Park Kendal Avenue Acton W3 0BX

  Application for Prior Approval under Schedule 2, Part 16, Class A of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the removal of the existing 17m monopole and 4 no. equipment cabinets, and replacement with a 20m monopole and 3 no. equipment cabinets, the relocation of 1 no. existing equipment cabinet and ancillary development thereto (Out of Borough)

  Received 21 Aug, published by the council 26 Aug 2026 Outline
• 263099CONS Decided

  Gunnersbury Park, Popes Lane Ealing W3 8LQ

  Temporary change of use of areas of Gunnersbury Park for the staging of temporary events between 01 January 2027 and 31 December 2031. Up to 19 live event days per calendar year, with a total of 115 days including set-up, inactive and removal days, and trackway. Including the erection of associated temporary structures, fencing, ancillary concessions and facilities. (Out of Borough from Hounslow)

  Received 12 Aug, published by the council 13 Aug 2026 Outline
• 262400CONS Decided

  Gunnersbury Park, Popes Lane Ealing W3 8LQ

  Temporary change of use of areas of Gunnersbury Park for the staging of temporary events between 01 January 2027 and 31 December 2031. Up to 22 live event days per calendar year, with a total of 115 days including set-up, inactive and removal days. Including the erection of associated temporary structures, fencing, ancillary concessions and facilities. (out of borough)

  Received 12 Jun, published by the council 25 Jul 2026 Outline
• 263228OPDCOB Awaiting decision

  Land Between Wagamama CPU 1 And CPU 3 Brunel Road Acton W3 7XR

  Erection of a raised deck and installation of 6no. external cold room condenser plant, and associated works( out of borough)

  Received 24 Aug, published by the council 26 Aug 2026 Outline
• 261872OPDCOB Granted

  4 Portal Way Acton W3 6RT

  Application under Section 96A of the Town and Country Planning Act 1990 (as amended), for a non-material amendment pursuant to planning permission reference 24/0051/FUMOPDC dated 04/12/2025 for 'Demolition of all existing buildings and structures on site and the mixed-use redevelopment of the site to provide two buildings, comprising residential units (Use Class C3), a hotel (Use Class C1), commercial, business and service units (Use Class E), podium level, car and cycle parking, refuse and service areas, plant, access, hard and soft landscaping, public realm and highway works and other works associated with the development. The application is accompanied by an Environmental Statement.' Changes are proposed to the number of residential units and overall housing mix, the total floorspace of hotel and commercial, business and service uses, the internal layout, facade treatment, car and cycle parking, and other associated changes (Out of Borough)

  Received 29 Apr, published by the council 25 Jul 2026 Outline