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Planning application

PA25/3636

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

Awaiting decision Richmond upon Thames Consultation Other

Proposal

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.

As published by the council, reference PA25/3636

Timeline

Dates from the published record

  1. 9 Oct 2025

    Received by Richmond upon Thames

  2. 26 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Richmond upon Thames for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About outline applications

How this application type works

An outline application tests the principle of developing a site before the detail is worked up. Some or all of the particulars, such as appearance, layout, scale, access and landscaping, are held back as reserved matters for later approval. Permission at outline stage does not by itself allow building to start; the reserved matters must be approved first.

More on outline applications in our guide

Nearby applications

Within 500 metres

  • P/2025/2643 Withdrawn

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

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

    1 Sep 2025 0m away Full applications
  • P/2025/2650 Withdrawn

    The Treaty Centre, High Street, Hounslow TW3 1ES

    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

    29 Aug 2025 0m away Outline
  • 253881CONS Awaiting decision

    The Treaty Centre High Street Hounslow TW3 1ES

    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)

    9 Oct 2025 0m away Outline
  • 253881CONS Awaiting decision

    The Treaty Centre High Street Hounslow TW3 1ES

    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)

    9 Oct 2025 0m away Outline
  • P/2026/1409 Granted

    227 High Street, Hounslow, TW3 1DH

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

    11 May 2026 37m away Advertising
  • P/2026/1498 Awaiting decision

    215 High Street, Hounslow, TW3 1DH

    Erection of a third floor, first floor rear extension and second floor rear extension comprising of six self contained flats and commercial unit on the rear ground floor with associated private amenity space, cycle and refuse storage following part demolition of existing building.

    19 May 2026 64m away Full applications

In Richmond upon Thames

  • PA26/2623 Awaiting decision

    23, Cambrian Road, Richmond, TW10 6JQ

    Installation of 6 pv panels split across a south-west-facing flat roof section (4 × Aiko Stellar 645W all-black panels) and a south-facing pitched roof section (2 × Aiko Neostar 530W all-black panels).

    28 Jul 2026 Outline
  • PA26/2222 Granted

    Ryemead House Lower Hampton Road Sunbury-on-Thames TW16 5PR

    Addition of two new dormers to the roof of the existing garage. CONSULTATION FROM SPELTHORNE COUNCIL APPLICATION RE:MC/26/00647/HOU

    24 Jun 2026 Outline
  • PA26/2528 Awaiting decision

    38, Hampton Road, Twickenham

    Conversion of the ground floor Class E building into three residential units (Use Class C3), providing three 1-bedroom dwellings (2 x 1-person and 1 x 2-person), together with associated refuse and cycle storage facilities.

    21 Jul 2026 Outline
  • PA26/1747 Refused

    36 40, Holly House, Heath Road, Twickenham, TW1 4BZ

    Construction of one additional storey comprising 5 no. new dwelling units.

    20 May 2026 Outline
  • PA26/2341 Granted

    46, Barrons Chase, Richmond, TW10 5BZ

    Erection of a single storey rear garden art studio outbuilding (26/00773/HOU).

    3 Jul 2026 Outline