Postcode record · Ealing
W4 1AY.
W4 1AY has 17 known premises and 11 planning records — 8 approved of 10 decided (80%). 13 EPC records.
Postcode W4 1AY · boundary not held, centred on the postcodeApprovedRefusedOther10 exact10 on the map — every match
At a glance · this postcodeEaling profile →
17
Premises
known addresses (UPRNs)
11
Applications
10 decided
80%
Approval rate
8 approved · 2 refused
13
EPC records
ratings C 7 · D 4 · E 1 · F 1
10
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 1AY has 17 known premises and 11 planning records — 8 approved of 10 decided (80%). 13 EPC records.
Premises
Name
Details
UPRN 12106377
UPRN 12106378
UPRN 12106379
UPRN 12106380
UPRN 12106381
UPRN 12106382
UPRN 12106383
UPRN 12106384
UPRN 12106385
UPRN 12106386
UPRN 12106377
UPRN 12106378
UPRN 12106379
Show all 10 rows
UPRN 12106380
UPRN 12106381
UPRN 12106382
UPRN 12106383
UPRN 12106384
UPRN 12106385
UPRN 12106386
Planning
What happened?
11 planning applications across the postcode; 8 approved of 10 decided (80%). Latest 11 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Rear roof extension to main roofslope; roof extension to rear outrigger; and installation of two rooflights to front roofslope
110 Southfield Road Chiswick W4 1AY · premises record
Full Application
Approved
2025-08-15
Single-storey outbuilding in side garden; and alterations of front fenestration involving replacement of doors
136-138 Southfield Road Chiswick W4 1AY · premises record
Applicant Dr Peter J S Duncan
Full Application
Approved
2019-04-25
Single storey side extension (following demolition of existing outbuilding)
138 Southfield Road Chiswick London W4 1AY · premises record
Applicant Dr Peter JS Duncan · Agent Helios Design and Architecture
Full Application
Approved
2018-09-12
Two single storey side extensions creating a courtyard to dwellinghouse
108 Southfield Road Chiswick London W4 1AY · premises record
Applicant Mr Damien O'Hare · Agent Peter Bell & Partners Architects
Full Application
Approved
2015-11-03
Rear roof extension, installation of 3 rooflights to front roof slope; 4 rooflights to rear outrigger;
118 Southfield Road Chiswick W4 1AY · premises record
Applicant Mr Jaqueline Fahy · Agent Pablo Eyzaguirre
Full Application
Approved
2015-02-20
Rear roof extension (main roofslope)(involving conversion of roofspace to habitable use) ; Rear roof extension to outrigger and the installation of 3 rooflights to front roofslope (Lawful Development Certificate for Proposed Development)
118 Southfield Road Chiswick W4 1AY · premises record
Certificate of Lawfulness - Proposed
Withdrawn
2014-11-21
Single storey rear and side infill extensions to ground floor flat.
116 Southfield Road Chiswick W4 1AY · premises record
Full Application
Approved
2014-10-31
Rear roof extension; second storey extension and roof terrace to rear outrigger and installation of three rooflights to front roofslope
118 Southfield Road Chiswick W4 1AY · premises record
Full Application
Refused
2014-04-04
Rear roof extension (involving conversion of roofspace into habitable use) and installation of a rooflight to front roofslope.
110 Southfield Road Chiswick W4 1AY London · premises record
Applicant Mr James Peppiatt
Full Application
Approved
2014-03-28
Rear roof extension, with two rooflights to front roofslope; single storey rear and side infill extension
120-122 Southfield Road Chiswick W4 1AY London · premises record
Applicant Mr Russ Contractor · Agent Jane Duncan Architects
Full Application
Approved
2010-06-01
Rear roof extension to main roofslope; roof extension to rear outrigger; and installation of two rooflights to front roofslope
110 Southfield Road Chiswick W4 1AY · premises record
Approved
2025-08-15
More
Full Application
Single-storey outbuilding in side garden; and alterations of front fenestration involving replacement of doors
136-138 Southfield Road Chiswick W4 1AY · premises record
Applicant Dr Peter J S Duncan
Approved
2019-04-25
More
Full Application
Single storey side extension (following demolition of existing outbuilding)
138 Southfield Road Chiswick London W4 1AY · premises record
Applicant Dr Peter JS Duncan · Agent Helios Design and Architecture
Approved
2018-09-12
More
Full Application
Show all 10 rows
Two single storey side extensions creating a courtyard to dwellinghouse
108 Southfield Road Chiswick London W4 1AY · premises record
Applicant Mr Damien O'Hare · Agent Peter Bell & Partners Architects
Approved
2015-11-03
More
Full Application
Rear roof extension, installation of 3 rooflights to front roof slope; 4 rooflights to rear outrigger;
118 Southfield Road Chiswick W4 1AY · premises record
Applicant Mr Jaqueline Fahy · Agent Pablo Eyzaguirre
Approved
2015-02-20
More
Full Application
Rear roof extension (main roofslope)(involving conversion of roofspace to habitable use) ; Rear roof extension to outrigger and the installation of 3 rooflights to front roofslope (Lawful Development Certificate for Proposed Development)
118 Southfield Road Chiswick W4 1AY · premises record
Withdrawn
2014-11-21
More
Certificate of Lawfulness - Proposed
Single storey rear and side infill extensions to ground floor flat.
116 Southfield Road Chiswick W4 1AY · premises record
Approved
2014-10-31
More
Full Application
Rear roof extension; second storey extension and roof terrace to rear outrigger and installation of three rooflights to front roofslope
118 Southfield Road Chiswick W4 1AY · premises record
Refused
2014-04-04
More
Full Application
Rear roof extension (involving conversion of roofspace into habitable use) and installation of a rooflight to front roofslope.
110 Southfield Road Chiswick W4 1AY London · premises record
Applicant Mr James Peppiatt
Approved
2014-03-28
More
Full Application
Rear roof extension, with two rooflights to front roofslope; single storey rear and side infill extension
120-122 Southfield Road Chiswick W4 1AY London · premises record
Applicant Mr Russ Contractor · Agent Jane Duncan Architects
Approved
2010-06-01
More
Full Application
Building control
Building-control records are not yet collected for Ealing — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Saltcoats Road0 mAlleyway Running Behind 108-138 Southfield Road0 mAlleyway Running Behind 72-106 Southfield Road0 mRugby Road0 mSouthfield Road0 mAccess Road To Rear Of 23-47 Southfield Road6 mAlleyway Running Behind 1-15 Greenend Road15 mSt Georges Road19 mAlleyway Running Behind 1-17 Saltcoats Road And 1-27 Hamilton Road30 mAlleyway Rear Of 2-4 Brookfield Road And 9-21 Southfield Road33 m
People
Who is involved?
Named on the latest 11 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 1 application
Applicant on 2 applications
Applicant on 1 application
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 precedent11 applications and 10 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 7, D: 4, E: 1, F: 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.
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.