Postcode record · Hounslow
W4 3HH.
W4 3HH has 41 known premises and 146 planning records — 111 approved of 129 decided (86%). 22 EPC records.
Postcode W4 3HH · boundary not held, centred on the postcodeApprovedRefusedOther154 exact3 approximate157 on the map — every match
At a glance · this postcodeHounslow profile →
41
Premises
known addresses (UPRNs)
146
Applications
129 decided
86%
Approval rate
111 approved · 18 refused
22
EPC records
ratings B 2 · C 11 · D 8 · G 1
157
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 3HH has 41 known premises and 146 planning records — 111 approved of 129 decided (86%). 22 EPC records.
Premises (18 of 41 shown)
Name
Details
UPRN 10093766872
UPRN 10093766873
UPRN 10093766874
UPRN 10093766875
UPRN 10093766876
UPRN 10093766877
UPRN 10093766878
UPRN 10094941264
UPRN 100021587740
UPRN 100021587741
UPRN 10093766872
UPRN 10093766873
UPRN 10093766874
Show all 10 rows
UPRN 10093766875
UPRN 10093766876
UPRN 10093766877
UPRN 10093766878
UPRN 10094941264
UPRN 100021587740
UPRN 100021587741
Planning
What happened?
146 planning applications across the postcode; 111 approved of 129 decided (86%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replacement of all the windows and doors with new double glazed windows and doors to the house.
56 Park Road, Chiswick, London, W4 3HH · premises record
Applicant Mr and Ms Jerry and Emma Drew Miller · Officer Louise Oppe
Householder Applications
Registered
2026-05-26
Certificate of lawfulness for the proposed erection of a detached single storey outbuilding
38 Park Road,Chiswick,London,W4 3HH · premises record
Applicant Ms Jodi Carroll · Officer Lucia Orsi
Lawful Development Certificate (Proposed)
Approved
2026-03-04
Works to a tree in a Conservation Area: Common Yew (T1) (Taxus Baccata) - Reduce crown height by approximately two to three metres to suitable growth points and part reduce crown diameter width to provide approximately one to 1.5 metres clearance from the house's existing single storey rear outbuilding.
60 Park Road,Chiswick,London,Hounslow,W4 3HH · premises record
Applicant Mr Singh Sidhu · Officer Daniel Hughes
Works to Trees in Conservation Area
No objection
2025-02-21
Retrospective application for the erection of part single part two storey rear extension
44 Park Road, Chiswick, London, W4 3HH · premises record
Applicant Mr Jayesh Pankhania · Officer Jacky Leung
Householder Applications
Approved
2024-09-23
Works to tree within a conservation area: T1 Eucalyptos - to reduce to previous reduction points approximately 3m leaving height 14m and width 12m
30 Park Road, Chiswick, London, W4 3HH · premises record
Applicant Luisa Barnes · Officer Jacky Leung
Works to Trees in Conservation Area
No objection
2024-07-05
Works to protected tree in a conservation area: T1 - Beech tree (TPO 47), crown reduce back to the most recent previous points of reduction no more than 2.5m of regrowth
42 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Bingham · Officer Kieran Edmonds
Works to a Tree covered by a Tree Preservation Order
Approved
2024-02-26
Works to trees in Conservation Area - two Silver Birch trees (T1&T2) in the rear garden to reduce the crown by approx 2.0 m in height and approx 1.5 m lateral spread to the trees.
40 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Wyles · Officer Kieran Edmonds
Works to Trees in Conservation Area
Approved
2024-02-14
Erection of a single storey side and rear extension. Detached outbuilding in the rear garden. Excavation of a basement floor with front light well.
52 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Mrs Katie Cauldwell · Officer Jacky Leung
Householder Applications
Approved
2023-11-28
Erection of single storey rear extension, part first floor rear extension, single storey side extension and a new outbuilding with solar panels to side roof elevation.
44 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Mr Jayesh Pankhania · Officer Jacky Leung
Householder Applications
Approved
2023-04-05
Works to T1 London Plane tree in rear garden within TPO 47. Re-pollard back to the most recent previous points of reduction, removing approximately 2.5m of regrowth
42 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Bingham · Officer Louise Oppe
Works to Trees in Conservation Area
Approved
2022-05-09
Replacement of all the windows and doors with new double glazed windows and doors to the house.
56 Park Road, Chiswick, London, W4 3HH · premises record
Applicant Mr and Ms Jerry and Emma Drew Miller · Officer Louise Oppe
Registered
2026-05-26
More
Householder Applications
Certificate of lawfulness for the proposed erection of a detached single storey outbuilding
38 Park Road,Chiswick,London,W4 3HH · premises record
Applicant Ms Jodi Carroll · Officer Lucia Orsi
Approved
2026-03-04
More
Lawful Development Certificate (Proposed)
Works to a tree in a Conservation Area: Common Yew (T1) (Taxus Baccata) - Reduce crown height by approximately two to three metres to suitable growth points and part reduce crown diameter width to provide approximately one to 1.5 metres clearance from the house's existing single storey rear outbuilding.
60 Park Road,Chiswick,London,Hounslow,W4 3HH · premises record
Applicant Mr Singh Sidhu · Officer Daniel Hughes
No objection
2025-02-21
More
Works to Trees in Conservation Area
Show all 10 rows
Retrospective application for the erection of part single part two storey rear extension
44 Park Road, Chiswick, London, W4 3HH · premises record
Applicant Mr Jayesh Pankhania · Officer Jacky Leung
Approved
2024-09-23
More
Householder Applications
Works to tree within a conservation area: T1 Eucalyptos - to reduce to previous reduction points approximately 3m leaving height 14m and width 12m
30 Park Road, Chiswick, London, W4 3HH · premises record
Applicant Luisa Barnes · Officer Jacky Leung
No objection
2024-07-05
More
Works to Trees in Conservation Area
Works to protected tree in a conservation area: T1 - Beech tree (TPO 47), crown reduce back to the most recent previous points of reduction no more than 2.5m of regrowth
42 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Bingham · Officer Kieran Edmonds
Approved
2024-02-26
More
Works to a Tree covered by a Tree Preservation Order
Works to trees in Conservation Area - two Silver Birch trees (T1&T2) in the rear garden to reduce the crown by approx 2.0 m in height and approx 1.5 m lateral spread to the trees.
40 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Wyles · Officer Kieran Edmonds
Approved
2024-02-14
More
Works to Trees in Conservation Area
Erection of a single storey side and rear extension. Detached outbuilding in the rear garden. Excavation of a basement floor with front light well.
52 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Mrs Katie Cauldwell · Officer Jacky Leung
Approved
2023-11-28
More
Householder Applications
Erection of single storey rear extension, part first floor rear extension, single storey side extension and a new outbuilding with solar panels to side roof elevation.
44 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Mr Jayesh Pankhania · Officer Jacky Leung
Approved
2023-04-05
More
Householder Applications
Works to T1 London Plane tree in rear garden within TPO 47. Re-pollard back to the most recent previous points of reduction, removing approximately 2.5m of regrowth
42 PARK ROAD, CHISWICK, W4 3HH · premises record
Applicant Bingham · Officer Louise Oppe
Approved
2022-05-09
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 41 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 41 of 41 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chiswick House · reference HSLCA09 · covers 41 of 41 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area covers the site of Sutton Court, a manor house with 12th-century origins. Sutton Court and its ornamental gardens are shown on Roque’s 1746 10 miles around London m · reference 220945 · covers 3 of 41 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 41 of 41 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chiswick House · reference HSLCA09 · covers 41 of 41 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
Summary and Definition The Archaeological Priority Area covers the site of Sutton Court, a manor house with 12th-century origins. Sutton Court and its ornamental gardens are shown on Roque’s 1746 10 miles around London m · reference 220945 · covers 3 of 41 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).
Park Road0 mChesterfield Road0 mGreat West Road Ellesmere Road0 mEllesmere Road0 mGreat West Road Hogarth Lane10 mHogarth Lane10 mChiswick House Grounds19 mChara Place27 mMilnthorpe Road48 mPark Road North52 m
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 2 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 2 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 precedent146 applications and 157 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings B: 2, C: 11, D: 8, 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.
7 intent signals recorded in this postcode
Price decline · 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.