Postcode record · Hillingdon
HA4 6AN.
HA4 6AN has 40 known premises and 36 planning records — 28 approved of 35 decided (80%). 20 EPC records.
Postcode HA4 6AN · boundary not held, centred on the postcodeApprovedRefusedOther36 on the map — every match
At a glance · this postcodeHillingdon profile →
40
Premises
known addresses (UPRNs)
36
Applications
35 decided
80%
Approval rate
28 approved · 7 refused
20
EPC records
ratings C 3 · D 12 · E 5
36
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?
HA4 6AN has 40 known premises and 36 planning records — 28 approved of 35 decided (80%). 20 EPC records.
Premises (18 of 40 shown)
Name
Details
UPRN 100021457403
UPRN 100021457405
UPRN 100021457407
UPRN 100021457409
UPRN 100021457411
UPRN 100021457413
UPRN 100021457415
UPRN 100021457417
UPRN 100021457419
UPRN 100021457421
UPRN 100021457403
UPRN 100021457405
UPRN 100021457407
Show all 10 rows
UPRN 100021457409
UPRN 100021457411
UPRN 100021457413
UPRN 100021457415
UPRN 100021457417
UPRN 100021457419
UPRN 100021457421
Planning
What happened?
36 planning applications across the postcode; 28 approved of 35 decided (80%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof space to habitable use to include a rear dormer and 3x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
90 CORNWALL ROAD RUISLIP · premises record
Officer Christopher Lamb
Planning Application
Other
2026-05-20
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.34 metres, and for which the height of the eaves would be 3.00 metres
56 CORNWALL ROAD RUISLIP · premises record
Officer Analese Haynes
Planning Application
Approved
2022-05-30
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights, conversion of roof from hip to gable end with new gable end window and removal of side chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
56 CORNWALL ROAD RUISLIP · premises record
Officer Analese Haynes
Planning Application
Approved
2022-05-30
Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights and demolition of chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)
30 CORNWALL ROAD RUISLIP MIDDLESEX HA4 6AN · premises record
Officer Analese Haynes
Planning Application
Approved
2022-04-14
Conversion of roof space to habitable use to include a rear dormer roof extension and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
52 CORNWALL ROAD RUISLIP HA4 6AN · premises record
Officer Katherine Mills
Planning Application
Approved
2021-12-23
Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
80 CORNWALL ROAD RUISLIP · premises record
Officer Hardev Gill
Planning Application
Approved
2021-05-10
Conversion of roof space to habitable use to include a rear dormer and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
66 CORNWALL ROAD RUISLIP HA4 6AN · premises record
Officer Liz Arnold
Planning Application
Approved
2017-04-03
Single storey side/rear extension and porch to front
32 CORNWALL ROAD RUISLIP HA4 6AN · premises record
Officer Charlotte Spencer
Planning Application
Approved
2016-12-16
Single storey detached outbuilding to rear for use as a gym/store (Application for a Certificate of Lawful Development for a Proposed Development)
26 & 28 CORNWALL ROAD RUISLIP · premises record
Officer Ayesha Ali
Planning Application
Refused
2015-11-17
Single storey side/rear extension involving demolition of existing rear element
58 CORNWALL ROAD RUISLIP · premises record
Officer Ayesha Ali
Planning Application
Approved
2015-06-27
Conversion of roof space to habitable use to include a rear dormer and 3x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
90 CORNWALL ROAD RUISLIP · premises record
Officer Christopher Lamb
Other
2026-05-20
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.34 metres, and for which the height of the eaves would be 3.00 metres
56 CORNWALL ROAD RUISLIP · premises record
Officer Analese Haynes
Approved
2022-05-30
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights, conversion of roof from hip to gable end with new gable end window and removal of side chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
56 CORNWALL ROAD RUISLIP · premises record
Officer Analese Haynes
Approved
2022-05-30
More
Planning Application
Show all 10 rows
Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights and demolition of chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)
30 CORNWALL ROAD RUISLIP MIDDLESEX HA4 6AN · premises record
Officer Analese Haynes
Approved
2022-04-14
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer roof extension and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
52 CORNWALL ROAD RUISLIP HA4 6AN · premises record
Officer Katherine Mills
Approved
2021-12-23
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
80 CORNWALL ROAD RUISLIP · premises record
Officer Hardev Gill
Approved
2021-05-10
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
66 CORNWALL ROAD RUISLIP HA4 6AN · premises record
Officer Liz Arnold
Approved
2017-04-03
More
Planning Application
Single storey side/rear extension and porch to front
32 CORNWALL ROAD RUISLIP HA4 6AN · premises record
Officer Charlotte Spencer
Approved
2016-12-16
More
Planning Application
Single storey detached outbuilding to rear for use as a gym/store (Application for a Certificate of Lawful Development for a Proposed Development)
26 & 28 CORNWALL ROAD RUISLIP · premises record
Officer Ayesha Ali
Refused
2015-11-17
More
Planning Application
Single storey side/rear extension involving demolition of existing rear element
58 CORNWALL ROAD RUISLIP · premises record
Officer Ayesha Ali
Approved
2015-06-27
More
Planning Application
Building control
Building-control records are not yet collected for Hillingdon — 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 40 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 40 of 40 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 40 of 40 premises. Some normally permitted changes may require planning permission.
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
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 3, D: 12, E: 5.
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.