Postcode record · Hounslow
W4 3ET.
W4 3ET has 32 known premises and 120 planning records — 91 approved of 100 decided (91%). 19 EPC records.
Postcode W4 3ET · boundary not held, centred on the postcodeApprovedRefusedOther120 exact120 on the map — every match
At a glance · this postcodeHounslow profile →
32
Premises
known addresses (UPRNs)
120
Applications
100 decided
91%
Approval rate
91 approved · 9 refused
19
EPC records
ratings C 3 · D 10 · E 6
120
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 3ET has 32 known premises and 120 planning records — 91 approved of 100 decided (91%). 19 EPC records.
Premises (18 of 32 shown)
Name
Details
UPRN 10023861923
UPRN 100021579952
UPRN 100021579954
UPRN 100021579956
UPRN 100021579958
UPRN 100021579960
UPRN 100021579962
UPRN 100021579964
UPRN 100021579966
UPRN 100021579968
UPRN 10023861923
UPRN 100021579952
UPRN 100021579954
Show all 10 rows
UPRN 100021579956
UPRN 100021579958
UPRN 100021579960
UPRN 100021579962
UPRN 100021579964
UPRN 100021579966
UPRN 100021579968
Planning
What happened?
120 planning applications across the postcode; 91 approved of 100 decided (91%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a side and rear roof extension, installation of one front roof window, and removal of existing chimney stack.
61 Burlington Lane,Chiswick,W4 3ET · premises record
Applicant Ms MILENA LOBENWEIN THOMSON · Officer Louise Oppe
Householder Applications
Registered
2026-03-25
Erection of a single storey rear extension, part first floor rear extension, rear roof extension and side roof extension. Installation of one front roof window. Removal of rear chimney. Replacing all the existing windows and doors to the house. Removal of seven trees on site
61 Burlington Lane, Chiswick, London, W4 3ET · premises record
Applicant Ms MILENA LOBENWEIN THOMSON · Officer Louise Oppe
Householder Applications
Approved
2026-02-16
Works to a tree in a Conservation Area: Cherry (Prunus spp) (T1) - Fell to ground level.
51 Burlington Lane,Chiswick,London,W4 3ET · premises record
Applicant Sowerby · Officer Daniel Hughes
Works to Trees in Conservation Area
No objection
2025-06-17
Erection of a single storey rear extension including conversion of existing garage into habitable space.
51 Burlington Lane, Chiswick, London, W4 3ET · premises record
Applicant Mr Sowerby · Officer Joedee McKenzie
Householder Applications
Approved
2025-01-02
Works to trees in a Conservation Area - (G1) Row Cypress(Cupressus) -reduce height to previous cut line -trim back front face by up to 0.75m, T1-Lime(Tilia cordata) -reduce crown by 30% 2.5-3 metres to previous reduction points, T2-Lime(Tilia cordata) -reduce crown by 30% 2.5-3 metres to previous reduction points and T3-Pawlonia -section fell to ground level -grind out stump to 350mm below ground level
77 Burlington Lane,Chiswick,W4 3ET · premises record
Applicant Wasan · Officer Joedee McKenzie
Works to Trees in Conservation Area
No objection
2024-09-23
Erection of a side and rear dormer extensions with two front roof windows and removal of one chimney breast
41 Burlington Lane,Chiswick,London,Hounslow,W4 3ET · premises record
Applicant Ms Harrison · Officer Louise Oppe
Householder Applications
Approved
2024-06-06
Works to trees within a Conservation Area- to fell to 2 lime trees - fell to ground an alternative request is a 40% crown reduction, approx 4 meters off the top and 2 meters off the side. Pollonia tree - fell to ground level.
77 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Ms Tom de Sancha · Officer Technical Support Officer
Works to Trees in Conservation Area
Withdrawn
2024-02-28
Erection of a single storey rear extension and ground floor front infill extension within the existing front undercroft and conversion of the internal garage to a habitable space to the house.
91 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Dismore · Officer Daniel Hughes
Householder Applications
Withdrawn
2023-12-22
Erection of a single storey rear extension and the conversion of the garage into a habitable space with a wheelchair access ramp
93 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Dismore · Officer Daniel Hughes
Householder Applications
Withdrawn
2023-12-22
Conversion of one house into two and erection of single storey rear extension
91-93 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Dismore · Officer Technical Support Officer
Householder Applications
Withdrawn
2023-10-30
Erection of a side and rear roof extension, installation of one front roof window, and removal of existing chimney stack.
61 Burlington Lane,Chiswick,W4 3ET · premises record
Applicant Ms MILENA LOBENWEIN THOMSON · Officer Louise Oppe
Registered
2026-03-25
More
Householder Applications
Erection of a single storey rear extension, part first floor rear extension, rear roof extension and side roof extension. Installation of one front roof window. Removal of rear chimney. Replacing all the existing windows and doors to the house. Removal of seven trees on site
61 Burlington Lane, Chiswick, London, W4 3ET · premises record
Applicant Ms MILENA LOBENWEIN THOMSON · Officer Louise Oppe
Approved
2026-02-16
More
Householder Applications
Works to a tree in a Conservation Area: Cherry (Prunus spp) (T1) - Fell to ground level.
51 Burlington Lane,Chiswick,London,W4 3ET · premises record
Applicant Sowerby · Officer Daniel Hughes
No objection
2025-06-17
More
Works to Trees in Conservation Area
Show all 10 rows
Erection of a single storey rear extension including conversion of existing garage into habitable space.
51 Burlington Lane, Chiswick, London, W4 3ET · premises record
Applicant Mr Sowerby · Officer Joedee McKenzie
Approved
2025-01-02
More
Householder Applications
Works to trees in a Conservation Area - (G1) Row Cypress(Cupressus) -reduce height to previous cut line -trim back front face by up to 0.75m, T1-Lime(Tilia cordata) -reduce crown by 30% 2.5-3 metres to previous reduction points, T2-Lime(Tilia cordata) -reduce crown by 30% 2.5-3 metres to previous reduction points and T3-Pawlonia -section fell to ground level -grind out stump to 350mm below ground level
77 Burlington Lane,Chiswick,W4 3ET · premises record
Applicant Wasan · Officer Joedee McKenzie
No objection
2024-09-23
More
Works to Trees in Conservation Area
Erection of a side and rear dormer extensions with two front roof windows and removal of one chimney breast
41 Burlington Lane,Chiswick,London,Hounslow,W4 3ET · premises record
Applicant Ms Harrison · Officer Louise Oppe
Approved
2024-06-06
More
Householder Applications
Works to trees within a Conservation Area- to fell to 2 lime trees - fell to ground an alternative request is a 40% crown reduction, approx 4 meters off the top and 2 meters off the side. Pollonia tree - fell to ground level.
77 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Ms Tom de Sancha · Officer Technical Support Officer
Withdrawn
2024-02-28
More
Works to Trees in Conservation Area
Erection of a single storey rear extension and ground floor front infill extension within the existing front undercroft and conversion of the internal garage to a habitable space to the house.
91 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Dismore · Officer Daniel Hughes
Withdrawn
2023-12-22
More
Householder Applications
Erection of a single storey rear extension and the conversion of the garage into a habitable space with a wheelchair access ramp
93 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Dismore · Officer Daniel Hughes
Withdrawn
2023-12-22
More
Householder Applications
Conversion of one house into two and erection of single storey rear extension
91-93 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET · premises record
Applicant Dismore · Officer Technical Support Officer
Withdrawn
2023-10-30
More
Householder 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 32 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 32 of 32 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chiswick House · reference HSLCA09 · covers 32 of 32 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 32 of 32 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chiswick House · reference HSLCA09 · covers 32 of 32 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 precedent120 applications and 120 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 3, D: 10, E: 6.
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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
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.