Postcode record · Hounslow
W4 3AS.
W4 3AS has 43 known premises and 45 planning records — 26 approved of 37 decided (70.3%). 22 EPC records.
Postcode W4 3AS · boundary not held, centred on the postcodeApprovedRefusedOther45 exact4 approximate49 on the map — every match
At a glance · this postcodeHounslow profile →
43
Premises
known addresses (UPRNs)
45
Applications
37 decided
70.3%
Approval rate
26 approved · 11 refused
22
EPC records
ratings C 9 · D 8 · E 3 · F 2
49
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 3AS has 43 known premises and 45 planning records — 26 approved of 37 decided (70.3%). 22 EPC records.
Premises (18 of 43 shown)
Name
Details
UPRN 10014073563
UPRN 10014073564
UPRN 10091691442
UPRN 10091691443
UPRN 10091691446
UPRN 10091691447
UPRN 10091693029
UPRN 100021581833
UPRN 100021581835
UPRN 100021581837
UPRN 10014073563
UPRN 10014073564
UPRN 10091691442
Show all 10 rows
UPRN 10091691443
UPRN 10091691446
UPRN 10091691447
UPRN 10091693029
UPRN 100021581833
UPRN 100021581835
UPRN 100021581837
Planning
What happened?
45 planning applications across the postcode; 26 approved of 37 decided (70.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Works to tree within TPO 636. London plane tree encroaching onto telecoms mast. Cut back low limb and upper lateral branches to give a 1 metre clearance from infrastructure.
LAND ADJACENT TO 1A CLARENCE ROAD,CHISWICK,LONDON,W4 3AS · premises record
Applicant Mr Dillon Alcock · Officer Kevin Greening
Works to a Tree covered by a Tree Preservation Order
Approved
2026-01-23
Works to trees within a conservation area: 2x London Plain tree reduce crown from 18m to 12m.
LAND ADJACENT TO 1A CLARENCE ROAD CHISWICK W4 3AS · premises record
Applicant Mr Dillon Alcock · Officer Jacky Leung
Works to Trees in Conservation Area
Objection
2024-06-06
Erection of a single storey rear extension to the flat
4 CLARENCE ROAD, CHISWICK, W4 3AS · premises record
Applicant Mr Lysander Code · Officer Kieran Edmonds
PF-Full Applications
Approved
2024-01-25
Works to trees within a Conservation Area: Conifer (T1)- to reduce the height by 2-3m. Pear (T2) to be felled Both trees are located in the rear garden.
7 CLARENCE ROAD, CHISWICK, W4 3AS · premises record
Applicant Peabody Housing Trust · Officer Kieran Edmonds
Works to Trees in Conservation Area
Approved
2023-10-19
Removal of a front wall and pillars to provide a bin store in the front garden.
12 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Holden Property Group · Officer Jacky Leung
Householder Applications
Refused
2023-02-15
Erection of a rear roof extension with two front roof windows to the house
8 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Householder Applications
Approved
2021-07-19
Retrospective planning permission sought for wooden outbuilding at the rear of the garden belonging to flat 4a for occasional use as a leisure facility by the owner
4A CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr Michael Hutchings · Officer ZZZGavin Curwen
PF-Full Applications
Approved
2019-12-05
Erection of a single storey side/rear extension to the flat
11 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr M Baker · Officer zzzAbigail Mason-Thompson
PF-Full Applications
Refused
2019-03-29
Works to a tree within TPO 597 - T1. Leylandii Cypress to fell
4A CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr Michael Hutchings · Officer zzzMatthew Lambert
5 Day tree notification
Approved
2018-10-17
Works to trees in a conservation area - Leylandii Cypress (T1) to reduce height by approx. 2m and trim lateral growth up to 1.5 m to shape and contain, Leylandii Cypress (T2-T5) to fell, Leylandii Cypress (T6) to reduce height by approx. 2m and trim lateral growth up to 1.5m to shape and contain
4 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr Tom Adams · Officer zzzMatthew Lambert
Works to a Tree covered by a Tree Preservation Order
Approved
2018-08-29
Works to tree within TPO 636. London plane tree encroaching onto telecoms mast. Cut back low limb and upper lateral branches to give a 1 metre clearance from infrastructure.
LAND ADJACENT TO 1A CLARENCE ROAD,CHISWICK,LONDON,W4 3AS · premises record
Applicant Mr Dillon Alcock · Officer Kevin Greening
Approved
2026-01-23
More
Works to a Tree covered by a Tree Preservation Order
Works to trees within a conservation area: 2x London Plain tree reduce crown from 18m to 12m.
LAND ADJACENT TO 1A CLARENCE ROAD CHISWICK W4 3AS · premises record
Applicant Mr Dillon Alcock · Officer Jacky Leung
Objection
2024-06-06
More
Works to Trees in Conservation Area
Erection of a single storey rear extension to the flat
4 CLARENCE ROAD, CHISWICK, W4 3AS · premises record
Applicant Mr Lysander Code · Officer Kieran Edmonds
Approved
2024-01-25
More
PF-Full Applications
Show all 10 rows
Works to trees within a Conservation Area: Conifer (T1)- to reduce the height by 2-3m. Pear (T2) to be felled Both trees are located in the rear garden.
7 CLARENCE ROAD, CHISWICK, W4 3AS · premises record
Applicant Peabody Housing Trust · Officer Kieran Edmonds
Approved
2023-10-19
More
Works to Trees in Conservation Area
Removal of a front wall and pillars to provide a bin store in the front garden.
12 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Holden Property Group · Officer Jacky Leung
Refused
2023-02-15
More
Householder Applications
Erection of a rear roof extension with two front roof windows to the house
8 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Approved
2021-07-19
More
Householder Applications
Retrospective planning permission sought for wooden outbuilding at the rear of the garden belonging to flat 4a for occasional use as a leisure facility by the owner
4A CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr Michael Hutchings · Officer ZZZGavin Curwen
Approved
2019-12-05
More
PF-Full Applications
Erection of a single storey side/rear extension to the flat
11 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr M Baker · Officer zzzAbigail Mason-Thompson
Refused
2019-03-29
More
PF-Full Applications
Works to a tree within TPO 597 - T1. Leylandii Cypress to fell
4A CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr Michael Hutchings · Officer zzzMatthew Lambert
Approved
2018-10-17
More
5 Day tree notification
Works to trees in a conservation area - Leylandii Cypress (T1) to reduce height by approx. 2m and trim lateral growth up to 1.5 m to shape and contain, Leylandii Cypress (T2-T5) to fell, Leylandii Cypress (T6) to reduce height by approx. 2m and trim lateral growth up to 1.5m to shape and contain
4 CLARENCE ROAD, CHISWICK, LONDON, W4 3AS · premises record
Applicant Mr Tom Adams · Officer zzzMatthew Lambert
Approved
2018-08-29
More
Works to a Tree covered by a Tree Preservation Order
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 43 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 43 of 43 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 43 of 43 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Wellesley Road · reference 1232 · covers 43 of 43 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Wellesley Road · reference HSLCA25 · covers 43 of 43 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
A concentration of remarkable prehistoric finds in the area of Syon Park shows that it was a focus for both ritual and settlement purposes from the Bronze Age if not earlier. A significant Bronze Age site was destroyed when Brentford Dock was build. An · reference 77832 · covers 39 of 43 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 43 of 43 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 43 of 43 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Wellesley Road · reference 1232 · covers 43 of 43 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Show all 5 rows
Conservation Area
Wellesley Road · reference HSLCA25 · covers 43 of 43 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
A concentration of remarkable prehistoric finds in the area of Syon Park shows that it was a focus for both ritual and settlement purposes from the Bronze Age if not earlier. A significant Bronze Age site was destroyed when Brentford Dock was build. An · reference 77832 · covers 39 of 43 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 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 precedent45 applications and 49 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings C: 9, D: 8, E: 3, F: 2.
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.
8 intent signals recorded in this postcode
Portfolio seller · Appeal dismissed · EPC F/G · Long hold · HMO licensed
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.