Postcode record · Hounslow
W4 5TT.
W4 5TT has 107 known premises and 141 planning records — 82 approved of 118 decided (69.5%). 44 EPC records.
Postcode W4 5TT · boundary not held, centred on the postcodeApprovedRefusedOther141 exact1 approximate142 on the map — every match
At a glance · this postcodeHounslow profile →
107
Premises
known addresses (UPRNs)
141
Applications
118 decided
69.5%
Approval rate
82 approved · 36 refused
44
EPC records
ratings C 15 · D 22 · E 7
142
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
W4 5TT has 107 known premises and 141 planning records — 82 approved of 118 decided (69.5%). 44 EPC records.
Premises (18 of 107 shown)
Name
Details
UPRN 10090800356
UPRN 10090801544
UPRN 10090801545
UPRN 10090801546
UPRN 10091069788
UPRN 10091069789
UPRN 10091069790
UPRN 10091069791
UPRN 10091069792
UPRN 10091069793
UPRN 10090800356
UPRN 10090801544
UPRN 10090801545
Show all 10 rows
UPRN 10090801546
UPRN 10091069788
UPRN 10091069789
UPRN 10091069790
UPRN 10091069791
UPRN 10091069792
UPRN 10091069793
Planning
What happened?
141 planning applications across the postcode; 82 approved of 118 decided (69.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a mansard roof extension comprising of four self contained flats with associated solar panels, cycle and refuse storage.
462A - 464A Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Mr Damian O' Hare · Officer Jacky Leung
PF-Full Applications
Registered
2026-03-27
Details of Condition 3C (Noise Assessment) submitted pursuant to planning permission P/2025/1199 dated 16/10/2025 Installation of three louvres and one air conditioning unit to the rear elevation and repositioning the existing air conditioning unit.
492-496, Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Details pursuant to a planning condition
Approved
2025-11-14
Installation of externally illuminated fascia sign to west elevation and text and graphics on vinyl on the windows
492-496,Chiswick High Road,Chiswick,W4 5TT · premises record
Applicant Noir Black · Officer Louise Oppe
Advertisement Application
Approved
2025-09-04
Installation of one externally illuminated fascia sign and one externally illuminated projecting sign
492-496,Chiswick High Road,Chiswick,London,W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Advertisement Application
Approved
2025-06-26
Installations of internally and externally illuminate fascia and two projecting signs and window signs to the front and side of the unit.
492-496, Chiswick High Road, Chiswick,W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Advertisement Application
Withdrawn
2025-06-02
Installation of three louvres and one air conditioning unit to the rear elevation and repositioning the existing air conditioning unit
492-496 Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
PF-Full Applications
Approved
2025-04-11
Prior Approval for the change of use of the building's existing second floor offices (Use Class E) to two flats (Use Class C3)
454-458 Chiswick High Road Chiswick W4 5TT · premises record
Applicant Harris · Officer Daniel Hughes
Prior Approval Office to Residential
Approved
2024-06-17
Installation of cycle racks, awning, and cycle ramps at the rear of the property. Installation of an additional rear door to be used as a fire exit
454-458,Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Harris · Officer Catherine Gordon
Full
Withdrawn
2024-06-04
Installation of seven cycle parking racks with an associated awning and rear stairwell access ramp to the building's second floor rear terrace and an additional second floor rear door to the building.
454-458,Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Harris · Officer Daniel Hughes
PF-Full Applications
Approved
2024-06-04
Erection of second floor rear outrigger and a mansard roof extensions to allow two additional flats on each properties.
462A-464A CHISWICK HIGH ROAD, CHISWICK, W4 5TT · premises record
Applicant Mr Damian O' Hare · Officer Jacky Leung
PF-Full Applications
Refused
2023-10-24
Erection of a mansard roof extension comprising of four self contained flats with associated solar panels, cycle and refuse storage.
462A - 464A Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Mr Damian O' Hare · Officer Jacky Leung
Registered
2026-03-27
More
PF-Full Applications
Details of Condition 3C (Noise Assessment) submitted pursuant to planning permission P/2025/1199 dated 16/10/2025 Installation of three louvres and one air conditioning unit to the rear elevation and repositioning the existing air conditioning unit.
492-496, Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Approved
2025-11-14
More
Details pursuant to a planning condition
Installation of externally illuminated fascia sign to west elevation and text and graphics on vinyl on the windows
492-496,Chiswick High Road,Chiswick,W4 5TT · premises record
Applicant Noir Black · Officer Louise Oppe
Approved
2025-09-04
More
Advertisement Application
Show all 10 rows
Installation of one externally illuminated fascia sign and one externally illuminated projecting sign
492-496,Chiswick High Road,Chiswick,London,W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Approved
2025-06-26
More
Advertisement Application
Installations of internally and externally illuminate fascia and two projecting signs and window signs to the front and side of the unit.
492-496, Chiswick High Road, Chiswick,W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Withdrawn
2025-06-02
More
Advertisement Application
Installation of three louvres and one air conditioning unit to the rear elevation and repositioning the existing air conditioning unit
492-496 Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Not disclosed · Officer Jacky Leung
Approved
2025-04-11
More
PF-Full Applications
Prior Approval for the change of use of the building's existing second floor offices (Use Class E) to two flats (Use Class C3)
454-458 Chiswick High Road Chiswick W4 5TT · premises record
Applicant Harris · Officer Daniel Hughes
Approved
2024-06-17
More
Prior Approval Office to Residential
Installation of cycle racks, awning, and cycle ramps at the rear of the property. Installation of an additional rear door to be used as a fire exit
454-458,Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Harris · Officer Catherine Gordon
Withdrawn
2024-06-04
More
Full
Installation of seven cycle parking racks with an associated awning and rear stairwell access ramp to the building's second floor rear terrace and an additional second floor rear door to the building.
454-458,Chiswick High Road, Chiswick, London, W4 5TT · premises record
Applicant Harris · Officer Daniel Hughes
Approved
2024-06-04
More
PF-Full Applications
Erection of second floor rear outrigger and a mansard roof extensions to allow two additional flats on each properties.
462A-464A CHISWICK HIGH ROAD, CHISWICK, W4 5TT · premises record
Applicant Mr Damian O' Hare · Officer Jacky Leung
Refused
2023-10-24
More
PF-Full Applications
Building control
Building-control records are not yet collected for Hounslow — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 107 premises each one covers.
Designation
Coverage
Conservation Area
Turnham Green · reference 1225 · covers 107 of 107 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Turnham Green · reference HSLCA08 · covers 107 of 107 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 107 of 107 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Change of use or development that would result in new dwellings (Class MA/ZA) · reference A4D.3 · covers 107 of 107 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area follows the projected line of the London to Silchester Roman road as it travels through the Borough of Hounslow. This is one of the major Roman roads radiating out west f · reference 220942 · covers 107 of 107 premises. Groundworks may require archaeological assessment or investigation.
Archaeological Priority Area
The line of the main Roman Road from Londinium to Silchester and the West. The road has been found in the roadside settlement at Brentford, but its exact route has not been demonstrated elsewhere. · reference 78072 · covers 76 of 107 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Turnham Green · reference 1225 · covers 107 of 107 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Turnham Green · reference HSLCA08 · covers 107 of 107 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 107 of 107 premises. Some normally permitted changes may require planning permission.
Show all 6 rows
Article 4 Direction Area
Change of use or development that would result in new dwellings (Class MA/ZA) · reference A4D.3 · covers 107 of 107 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area follows the projected line of the London to Silchester Roman road as it travels through the Borough of Hounslow. This is one of the major Roman roads radiating out west f · reference 220942 · covers 107 of 107 premises. Groundworks may require archaeological assessment or investigation.
Archaeological Priority Area
The line of the main Roman Road from Londinium to Silchester and the West. The road has been found in the roadside settlement at Brentford, but its exact route has not been demonstrated elsewhere. · reference 78072 · covers 76 of 107 premises. Groundworks may require archaeological assessment or investigation.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 7 applications
Case officer on 5 applications
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 7 applications
Case officer on 5 applications
Development
What could it become?
Planning precedent141 applications and 142 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy44 EPC records; ratings C: 15, D: 22, E: 7.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
Planning Atlas ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
23 intent signals recorded in this postcode
HMO licence expiring · insolvency_property · Struggling director · Portfolio seller · Charge registered · Repeat sale · Beatable refusal · Lapsed consent · EPC F/G · Long hold · Ageing director · HMO licensed · Company dissolving
Subscribe to see the signals →Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.