The Treaty Centre High Street Hounslow TW3 1ES

1. 9 Oct 2025

   Received by Old Oak and Park Royal Development Corporation

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.

   Old Oak and Park Royal Development Corporation took a median of 55 days over the applications it decided in the last year.

This application is with Old Oak and Park Royal Development Corporation for determination, against a statutory target of eight weeks. Over the last year Old Oak and Park Royal Development Corporation decided outline applications in a median of 23 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  Withdrawn Full applications 50 docs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

  253881CONS Submitted 9 Oct 2025 50 yards away

  92% 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

• 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

• 263623OPDCOB Awaiting decision

  North Acton Square Victoria Road Acton W3 6UP

  Installation of digital display in self supported structure over existing containers ( out of borough)

  Received 1 Oct, published by the council 12 Oct 2026 Outline
• 263686OPDCOB Awaiting decision

  Energy Centre Building, Pipework (western Arm) Pipework (eastern Arm) 1 Minerva Road Park Royal NW10 6HJ

  Partial details of part (i) of condition 7 (Construction Logistics Plans) and part (i) of condition 8 (Construction and Environmental Management Plans), in relation to the demolition and piling mat works at 1 Minerva Road only; Partial details of parts (ii) and (iii) of condition 7 (Construction Logistics Plans) and parts (ii) and (iii) of condition 8 (Construction and Environmental Management Plans), in relation to the installation of the buried pipework along Minerva Road and North Acton Road only; and Partial details of condition 11 (HS2 Safeguarding), in relation to 1 Minerva Road and works along Minerva Road and North Acton Road only; pursuant to planning permission reference 25/0184/FUMOPDC dated 25/03/2026, for 'Development associated with the Old Oak and Park Royal Energy Network (OPEN) district heating network, comprising: Demolition of a warehouse building at 1 Minerva Road, London, NW10 6HJ, and erection of a purposebuilt energy centre building; Laying of a network of underground heat pipes; Erection of a crossover gantry to carry the pipework over existing railway tracks, running parallel to the Park Royal Road Overbridge; and Other associated works.' (Out of Borough)

  Received 1 Oct, published by the council 12 Oct 2026 Outline
• 263227OPDCOB Refused

  37 - 39 North Acton Road Park Royal NW10 6PF

  Partial discharge of condition 4 (Noise Testing Results) pursuant to planning permission reference 22/0142/REMOPDC dated 25/01/2023 for 'Reserved Matters Application with full details of access, layout, scale, appearance and landscaping pursuant to outline planning permission reference 20/0122/OUTOPDC dated 27/09/2022 for a data centre (Use Class B8), generator building, plant, sub-station, hard and soft landscaping and associated works (out of borough)

  Received 24 Aug, published by the council 30 Aug 2026 Outline
• 263634CONS Awaiting decision

  36 Old Oak Road London W3 7HQ

  Erection of a single storey rear extension, to the side and rear of the existing back addition following the demolition of existing store room at the rear of the property (out of borough)

  Received 25 Sep, published by the council 12 Oct 2026 Outline
• 263459CONS Granted

  Clayponds Open Space Clayponds Gardens London W5 4RQ

  Replacement of ball court (MUGA) to a football foundation play zone, installation of new fencing, lighting and surface joint (Out of Borough)

  Received 11 Sep, published by the council 21 Sep 2026 Outline