Planning application
P/2025/2650
The Treaty Centre, High Street, Hounslow TW3 1ES
Proposal
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
As published by the council, reference P/2025/2650
Timeline
Dates from the published record
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29 Aug 2025
Received by Hounslow
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6 Oct 2025
Validated
Checked as complete and ready for consideration.
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26 Jul 2026
Added to PlanIndex
What withdrawal means
The process from here
The applicant withdrew this application before the council decided it, so it carries no planning weight and no fee refund is automatic. Withdrawal often follows officer feedback that a refusal was likely.
The applicant is free to submit a revised application at any time, and many withdrawn schemes return in amended form, so the site is worth watching if the proposal affected you.
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.
Nearby applications
Within 500 metres
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P/2025/2643 Withdrawn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.
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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)
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PA25/3636 Awaiting decision
The Treaty Centre, High Street, Hounslow, TW3 1ES
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.
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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)
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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.
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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.
Other outline applications
In Hounslow
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SC/2026/2149 Awaiting decision
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
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SRN/2026/2058 Decided
Brentford Community Stadium Lionel Road South, Brentford, TW8 0RU
Screening opinion for the use of the existing stadium for live music events.
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PAC/2026/2008 Awaiting decision
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 two person, one bedroom flat (Use Class E).
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PA/2026/1927 Awaiting decision
Thames Works, Church Street, Chiswick, London, W4 2PD
Prior approval for the installation of 14 roof mounted solar photovoltaic (PV) panels to the existing pitched roof on the buildings Northwest elevation.
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PAC/2026/1120 Granted
Saracen House, Swan Street, Isleworth, TW7 6RJ
Prior approval for the change of use of the first and second floors only of Saracen House from office use (Use Class E) to nine self contained flats (Use Class C3)