Postcode record · Hounslow
W4 3TL.
W4 3TL has 20 known premises and 122 planning records — 75 approved of 91 decided (82.4%). 13 EPC records.
Postcode W4 3TL · boundary not held, centred on the postcodeApprovedRefusedOther122 exact1 approximate123 on the map — every match
At a glance · this postcodeHounslow profile →
20
Premises
known addresses (UPRNs)
122
Applications
91 decided
82.4%
Approval rate
75 approved · 16 refused
13
EPC records
ratings C 4 · D 5 · E 1 · F 2 · G 1
123
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 3TL has 20 known premises and 122 planning records — 75 approved of 91 decided (82.4%). 13 EPC records.
Premises (18 of 20 shown)
Name
Details
UPRN 10094942623
UPRN 100021585613
UPRN 100021585614
UPRN 100021585615
UPRN 100021585620
UPRN 100021585633
UPRN 100023491120
UPRN 200002819716
UPRN 200002819717
UPRN 200002819718
UPRN 10094942623
UPRN 100021585613
UPRN 100021585614
Show all 10 rows
UPRN 100021585615
UPRN 100021585620
UPRN 100021585633
UPRN 100023491120
UPRN 200002819716
UPRN 200002819717
UPRN 200002819718
Planning
What happened?
122 planning applications across the postcode; 75 approved of 91 decided (82.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details of Condition 5 (Construction Method Statement) and 6 (Considerate Constructors Scheme) submitted pursuant to planning permission00567/17/P7 (P/2024/0408) dated 24/05/2026 for Erection of a roof extension including a part front roof extension with one roof window, a two storey side and part two storey rear extension, a single storey rear extension and creation of a basement, following demolition of the existing side and side and rear extension to the house
17 Hartington Road,Chiswick,London,W4 3TL · premises record
Officer Jacky Leung
Details pursuant to a planning condition
Registered
2026-05-13
Erection of a part single, part two storey rear extension and a single storey outbuilding to be used as a garden room following the demolition of the existing two storey rear and side extension and single storey garage
17 Hartington Road, Chiswick, London, W4 3TL · premises record
Applicant Concept Bespoke · Officer Jacky Leung
Householder Applications
Registered
2026-05-05
Variation of condition 2 approved plans to raise the rear infill extension along the boundary to align with the main extension roof of planning permission P/2024/3556 approved 19/02/2025 for the erection of a replacement single storey rear extension incorporating rear infill, erection of a second floor side extension. Excavation of a new basement level with a front lightwell. Alterations to existing two storey rear extension and side extension including addition of side bay windows. Installation of a juliet balcony on the front roof and double front bay. Creation of a roof terrace on the roof with rear dormer and Juliet balcony to rear. Replacement of all existing windows and front door. Replacement of front gates.
35 Hartington Road, Chiswick, London, W4 3TL · premises record
Applicant Mr and Mrs Judes · Officer Louise Oppe
Variation / Removal of a condition all other minor
Approved
2025-07-29
Variation of condition 2 approved plans to remove set down from the main roof and set back of second floor extension to construct a continuous roof over the side extension following planning permission P/2024/3556 approved 19/02/2025 for the erection of a replacement single storey rear extension incorporating rear infill, erection of a second floor side extension. Excavation of a new basement level with a front lightwell. Alterations to existing two storey rear extension and side extension including addition of side bay windows. Installation of a juliet balcony on the front roof and double front bay. Creation of a roof terrace on the roof with rear dormer and Juliet balcony to rear. Replacement of all existing windows and front door. Replacement of front gates.
35 Hartington Road, Chiswick, London, W4 3TL · premises record
Applicant Mr and Mrs Judes · Officer Louise Oppe
Variation / Removal of a condition all other minor
Refused
2025-07-29
Details of Conditions 6 Construction Method Statement and Condition 7 Construction Logistic Plan submitted pursuant to planning permission P/2024/3556 dated 19/02/2025 for Erection of a replacement single storey rear extension incorporating rear infill, erection of a second floor side extension. Excavation of a new basement level with a front lightwell. Alterations to existing two storey rear extension and side extension including addition of side bay windows. Installation of a juliet balcony on the front roof and double front bay. Creation of a roof terrace on the roof with rear dormer and Juliet balcony to rear. Replacement of all existing windows and front door. Replacement of front gates
35 Hartington Road,Chiswick,London,Hounslow,W4 3TL · premises record
Applicant Mr Gerry Purcell · Officer Louise Oppe
Details pursuant to a planning condition
Approved
2025-05-23
Works to two trees within a conservation area - T1 (Plum) - Fell to ground T2 (Yew) - Reduce height by approx. 4m.
17 Hartington Road, Chiswick W4 3TL · premises record
Applicant Dafydd Gomez Evans · Officer Joedee McKenzie
Works to Trees in Conservation Area
No objection
2025-04-03
Works to trees within a conservation area: T1 Plum - Fell to ground
17 Hartington Road, Chiswick W4 3TL · premises record
Applicant Alice Duggan · Officer Jacky Leung
Works to Trees in Conservation Area
Withdrawn
2025-02-20
Works to tree in Conservation Area - 1 X T1 Bay (Laurus nobilis) reduce in height approximately 4m and reduce laterally by up to 2m to shape in rear garden
27 Hartington Road,Chiswick,London,W4 3TL · premises record
Applicant Sawyer · Officer Joedee McKenzie
Works to Trees in Conservation Area
No objection
2025-02-17
Works to two trees in a Conservation Area: Yew (Taxus baccata) (T9) - Reduce lateral overhanging branches by one metre. Holly (Ilex aquifolia) (T14) - Lift crown canopy by 0.6 metres above the rear garden's side pathway.
23 Hartington Road,Chiswick,London,Hounslow,W4 3TL · premises record
Applicant Williams · Officer Daniel Hughes
Works to Trees in Conservation Area
No objection
2025-01-23
Works to trees in a Conservation Area - T9-Yew(Taxus baccata)-in neighbouring garden -light reduction to reduce lateral overhang by up to 1m T14-Holly(Ilex aquifolia)-in neighbouring -lift by 0.6m above side path All works are for routine maintenance.
21 Hartington Road,Chiswick,London,W4 3TL · premises record
Applicant Williams · Officer Geeta Anand
Works to Trees in Conservation Area
Withdrawn
2025-01-22
Details of Condition 5 (Construction Method Statement) and 6 (Considerate Constructors Scheme) submitted pursuant to planning permission00567/17/P7 (P/2024/0408) dated 24/05/2026 for Erection of a roof extension including a part front roof extension with one roof window, a two storey side and part two storey rear extension, a single storey rear extension and creation of a basement, following demolition of the existing side and side and rear extension to the house
17 Hartington Road,Chiswick,London,W4 3TL · premises record
Officer Jacky Leung
Registered
2026-05-13
More
Details pursuant to a planning condition
Erection of a part single, part two storey rear extension and a single storey outbuilding to be used as a garden room following the demolition of the existing two storey rear and side extension and single storey garage
17 Hartington Road, Chiswick, London, W4 3TL · premises record
Applicant Concept Bespoke · Officer Jacky Leung
Registered
2026-05-05
More
Householder Applications
Variation of condition 2 approved plans to raise the rear infill extension along the boundary to align with the main extension roof of planning permission P/2024/3556 approved 19/02/2025 for the erection of a replacement single storey rear extension incorporating rear infill, erection of a second floor side extension. Excavation of a new basement level with a front lightwell. Alterations to existing two storey rear extension and side extension including addition of side bay windows. Installation of a juliet balcony on the front roof and double front bay. Creation of a roof terrace on the roof with rear dormer and Juliet balcony to rear. Replacement of all existing windows and front door. Replacement of front gates.
35 Hartington Road, Chiswick, London, W4 3TL · premises record
Applicant Mr and Mrs Judes · Officer Louise Oppe
Approved
2025-07-29
More
Variation / Removal of a condition all other minor
Show all 10 rows
Variation of condition 2 approved plans to remove set down from the main roof and set back of second floor extension to construct a continuous roof over the side extension following planning permission P/2024/3556 approved 19/02/2025 for the erection of a replacement single storey rear extension incorporating rear infill, erection of a second floor side extension. Excavation of a new basement level with a front lightwell. Alterations to existing two storey rear extension and side extension including addition of side bay windows. Installation of a juliet balcony on the front roof and double front bay. Creation of a roof terrace on the roof with rear dormer and Juliet balcony to rear. Replacement of all existing windows and front door. Replacement of front gates.
35 Hartington Road, Chiswick, London, W4 3TL · premises record
Applicant Mr and Mrs Judes · Officer Louise Oppe
Refused
2025-07-29
More
Variation / Removal of a condition all other minor
Details of Conditions 6 Construction Method Statement and Condition 7 Construction Logistic Plan submitted pursuant to planning permission P/2024/3556 dated 19/02/2025 for Erection of a replacement single storey rear extension incorporating rear infill, erection of a second floor side extension. Excavation of a new basement level with a front lightwell. Alterations to existing two storey rear extension and side extension including addition of side bay windows. Installation of a juliet balcony on the front roof and double front bay. Creation of a roof terrace on the roof with rear dormer and Juliet balcony to rear. Replacement of all existing windows and front door. Replacement of front gates
35 Hartington Road,Chiswick,London,Hounslow,W4 3TL · premises record
Applicant Mr Gerry Purcell · Officer Louise Oppe
Approved
2025-05-23
More
Details pursuant to a planning condition
Works to two trees within a conservation area - T1 (Plum) - Fell to ground T2 (Yew) - Reduce height by approx. 4m.
17 Hartington Road, Chiswick W4 3TL · premises record
Applicant Dafydd Gomez Evans · Officer Joedee McKenzie
No objection
2025-04-03
More
Works to Trees in Conservation Area
Works to trees within a conservation area: T1 Plum - Fell to ground
17 Hartington Road, Chiswick W4 3TL · premises record
Applicant Alice Duggan · Officer Jacky Leung
Withdrawn
2025-02-20
More
Works to Trees in Conservation Area
Works to tree in Conservation Area - 1 X T1 Bay (Laurus nobilis) reduce in height approximately 4m and reduce laterally by up to 2m to shape in rear garden
27 Hartington Road,Chiswick,London,W4 3TL · premises record
Applicant Sawyer · Officer Joedee McKenzie
No objection
2025-02-17
More
Works to Trees in Conservation Area
Works to two trees in a Conservation Area: Yew (Taxus baccata) (T9) - Reduce lateral overhanging branches by one metre. Holly (Ilex aquifolia) (T14) - Lift crown canopy by 0.6 metres above the rear garden's side pathway.
23 Hartington Road,Chiswick,London,Hounslow,W4 3TL · premises record
Applicant Williams · Officer Daniel Hughes
No objection
2025-01-23
More
Works to Trees in Conservation Area
Works to trees in a Conservation Area - T9-Yew(Taxus baccata)-in neighbouring garden -light reduction to reduce lateral overhang by up to 1m T14-Holly(Ilex aquifolia)-in neighbouring -lift by 0.6m above side path All works are for routine maintenance.
21 Hartington Road,Chiswick,London,W4 3TL · premises record
Applicant Williams · Officer Geeta Anand
Withdrawn
2025-01-22
More
Works to Trees in Conservation Area
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 20 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 20 of 20 premises. Some normally permitted changes may require planning permission.
Conservation Area
Grove Park · reference HSLCA22 · covers 20 of 20 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area covers Dukes Meadows, a 20th-century park situated within a broad curve in the Thames below Chiswick. This APA includes a section of the Thames foreshore as it winds towa · reference 220971 · covers 18 of 20 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · reference A4D.2 · covers 20 of 20 premises. Some normally permitted changes may require planning permission.
Conservation Area
Grove Park · reference HSLCA22 · covers 20 of 20 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area covers Dukes Meadows, a 20th-century park situated within a broad curve in the Thames below Chiswick. This APA includes a section of the Thames foreshore as it winds towa · reference 220971 · covers 18 of 20 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 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent122 applications and 123 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 4, D: 5, E: 1, F: 2, G: 1.
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.
5 intent signals recorded in this postcode
Appeal dismissed · EPC F/G · Long hold
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.