Postcode record · Hounslow
W4 3HP.
W4 3HP has 26 known premises and 123 planning records — 92 approved of 107 decided (86%). 18 EPC records.
Postcode W4 3HP · boundary not held, centred on the postcodeApprovedRefusedOther123 exact123 on the map — every match
At a glance · this postcodeHounslow profile →
26
Premises
known addresses (UPRNs)
123
Applications
107 decided
86%
Approval rate
92 approved · 15 refused
18
EPC records
ratings C 4 · D 7 · E 7
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 3HP has 26 known premises and 123 planning records — 92 approved of 107 decided (86%). 18 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 100021587793
UPRN 100021587797
UPRN 100021587798
UPRN 200002819529
UPRN 200002819530
UPRN 200002819531
UPRN 200002819532
UPRN 200002819533
UPRN 200003970715
UPRN 200003970716
UPRN 100021587793
UPRN 100021587797
UPRN 100021587798
Show all 10 rows
UPRN 200002819529
UPRN 200002819530
UPRN 200002819531
UPRN 200002819532
UPRN 200002819533
UPRN 200003970715
UPRN 200003970716
Planning
What happened?
123 planning applications across the postcode; 92 approved of 107 decided (86%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey rear extension, single storey side extension, part first floor side extension and part rear outrigger extension. Raising the roof of the rear outrigger extension. Conversion of the existing garage to a habitable space and a store. Installation of new windows on the front elevation.
150 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Mace · Officer Jacky Leung
Householder Applications
Approved
2026-02-05
Works to tree in a Conservation Area. Purple leaf plum. Crown reduce by up to 4 metres and selectively thin by removing epicormic growth.
148 Park Road,Chiswick,London,W4 3HP · premises record
Applicant Mr Kevin Warusevitane · Officer Kevin Greening
Works to Trees in Conservation Area
No objection
2025-11-24
Works to a tree within a Conservation Area. Eucalyptus. Fell to ground level and grind out stump.
134 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Susan Hearn · Officer Kevin Greening
Works to Trees in Conservation Area
No objection
2025-10-17
Erection of a side infill extension to the house.
148 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Ms H Enright · Officer Louise Oppe
Householder Applications
Approved
2025-04-03
Installation of an air conditioning condenser unit with surrounding fence on the flat roof of an existing single storey extension at the side of the property
144 Park Road,Chiswick,London,Hounslow,W4 3HP · premises record
Applicant Mr and Mrs Richard and Emma Daw · Officer Louise Oppe
Householder Applications
Approved
2024-06-28
Replacement of existing white timber manual sliding vehicle and pedestrian gates with black steel automated sliding pedestrian gates and railings.
118 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Mr Michael Appiah-Kusi · Officer Louise Oppe
Householder Applications
Approved
2024-06-03
Removal of tree in conservation area -1 Dead Silver Birch (5 day dangerous tree)
142 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Adam . · Officer Kieran Edmonds
5 Day tree notification
Approved
2024-05-31
Erection of a rear outrigger mansard roof extension with a side roof extension, three roof windows and raising the existing party wall
148 PARK ROAD, CHISWICK, LONDON, W4 3HP · premises record
Applicant Ms Gabriela Avendano · Officer Melek Ergen
Householder Applications
Approved
2024-02-28
Demolition behind a retained facade and the rebuild of 150 Park Road as per the already consented development under P/2023/2691 with the addition of the raising of the party wall with no 148 Park Road and wider and taller rear outrigger and roof extension and relocate rear and side windows (Erection of a part single storey, part two storey side and single storey rear extension following the demolition of the garage incorporating the installation of a front roof window and landscaping works to the front and rear gardens).
150 PARK ROAD, CHISWICK, W4 3HP · premises record
Applicant Mace · Officer Jacky Leung
PF-Full Applications
Approved
2024-02-23
Works to a Eucalyptus Tree (T1) within a Conservation Area by reducing, reshaping and lifting the crown to create a new proposed height of 7.5m
134 PARK ROAD, CHISWICK, W4 3HP · premises record
Applicant Susan Hearn · Officer Jacky Leung
Works to Trees in Conservation Area
Approved
2024-01-15
Erection of a single storey rear extension, single storey side extension, part first floor side extension and part rear outrigger extension. Raising the roof of the rear outrigger extension. Conversion of the existing garage to a habitable space and a store. Installation of new windows on the front elevation.
150 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Mace · Officer Jacky Leung
Approved
2026-02-05
More
Householder Applications
Works to tree in a Conservation Area. Purple leaf plum. Crown reduce by up to 4 metres and selectively thin by removing epicormic growth.
148 Park Road,Chiswick,London,W4 3HP · premises record
Applicant Mr Kevin Warusevitane · Officer Kevin Greening
No objection
2025-11-24
More
Works to Trees in Conservation Area
Works to a tree within a Conservation Area. Eucalyptus. Fell to ground level and grind out stump.
134 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Susan Hearn · Officer Kevin Greening
No objection
2025-10-17
More
Works to Trees in Conservation Area
Show all 10 rows
Erection of a side infill extension to the house.
148 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Ms H Enright · Officer Louise Oppe
Approved
2025-04-03
More
Householder Applications
Installation of an air conditioning condenser unit with surrounding fence on the flat roof of an existing single storey extension at the side of the property
144 Park Road,Chiswick,London,Hounslow,W4 3HP · premises record
Applicant Mr and Mrs Richard and Emma Daw · Officer Louise Oppe
Approved
2024-06-28
More
Householder Applications
Replacement of existing white timber manual sliding vehicle and pedestrian gates with black steel automated sliding pedestrian gates and railings.
118 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Mr Michael Appiah-Kusi · Officer Louise Oppe
Approved
2024-06-03
More
Householder Applications
Removal of tree in conservation area -1 Dead Silver Birch (5 day dangerous tree)
142 Park Road, Chiswick, London, W4 3HP · premises record
Applicant Adam . · Officer Kieran Edmonds
Approved
2024-05-31
More
5 Day tree notification
Erection of a rear outrigger mansard roof extension with a side roof extension, three roof windows and raising the existing party wall
148 PARK ROAD, CHISWICK, LONDON, W4 3HP · premises record
Applicant Ms Gabriela Avendano · Officer Melek Ergen
Approved
2024-02-28
More
Householder Applications
Demolition behind a retained facade and the rebuild of 150 Park Road as per the already consented development under P/2023/2691 with the addition of the raising of the party wall with no 148 Park Road and wider and taller rear outrigger and roof extension and relocate rear and side windows (Erection of a part single storey, part two storey side and single storey rear extension following the demolition of the garage incorporating the installation of a front roof window and landscaping works to the front and rear gardens).
150 PARK ROAD, CHISWICK, W4 3HP · premises record
Applicant Mace · Officer Jacky Leung
Approved
2024-02-23
More
PF-Full Applications
Works to a Eucalyptus Tree (T1) within a Conservation Area by reducing, reshaping and lifting the crown to create a new proposed height of 7.5m
134 PARK ROAD, CHISWICK, W4 3HP · premises record
Applicant Susan Hearn · Officer Jacky Leung
Approved
2024-01-15
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 26 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 26 of 26 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chiswick House · reference HSLCA09 · covers 26 of 26 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 26 of 26 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chiswick House · reference HSLCA09 · covers 26 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 2 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 4 applications
Applicant on 2 applications
Applicant on 2 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
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent123 applications and 123 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings C: 4, D: 7, 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.
6 intent signals recorded in this postcode
Repeat sale · Price decline · 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.