Postcode record · Hillingdon
HA4 6AA.
HA4 6AA has 48 known premises and 37 planning records — 28 approved of 34 decided (82.4%). 27 EPC records.
Postcode HA4 6AA · boundary not held, centred on the postcodeApprovedRefusedOther37 exact37 on the map — every match
At a glance · this postcodeHillingdon profile →
48
Premises
known addresses (UPRNs)
37
Applications
34 decided
82.4%
Approval rate
28 approved · 6 refused
27
EPC records
ratings C 6 · D 15 · E 5 · F 1
37
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 6AA has 48 known premises and 37 planning records — 28 approved of 34 decided (82.4%). 27 EPC records.
Premises (18 of 48 shown)
Name
Details
UPRN 10090331258
UPRN 10090331259
UPRN 10093737482
UPRN 100021454147
UPRN 100021454149
UPRN 100021454151
UPRN 100021454153
UPRN 100021454155
UPRN 100021454157
UPRN 100021454159
UPRN 10090331258
UPRN 10090331259
UPRN 10093737482
Show all 10 rows
UPRN 100021454147
UPRN 100021454149
UPRN 100021454151
UPRN 100021454153
UPRN 100021454155
UPRN 100021454157
UPRN 100021454159
Planning
What happened?
37 planning applications across the postcode; 28 approved of 34 decided (82.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of single storey rear extension
27 ASHBURTON ROAD RUISLIP · premises record
Officer Katherine Mills
Planning Application
Other
2026-04-27
Conversion of roof space to habitable use to include hip to gable extension, rear dormer and 2 x front roof lights. Removal of chimney (Application for a Lawful Development for a Proposed Development)
27 ASHBURTON ROAD RUISLIP · premises record
Officer Katherine Mills
Planning Application
Approved
2026-02-03
Amendments to fenestrations consisting of the installation of additional door to first floor flat (Retrospective Application).
1A ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Becky Smith
Planning Application
Approved
2025-03-18
Erection of single storey rear extension.
75 ASHBURTON ROAD RUISLIP · premises record
Agent Mr Sunil Malhotra · Officer Katherine Mills
Planning Application
Approved
2023-11-03
Erection of a double garage in the rear garden (Retrospective)
37 ASHBURTON ROAD RUISLIP · premises record
Officer Christopher Brady
Planning Application
Refused
2023-06-30
Conversion of roof space to habitable use to include a rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
51 ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Analese Haynes
Planning Application
Approved
2022-04-11
Erection of a single storey rear extension.
51 ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Agent Mr Jeff Gillett · Officer Katherine Mills
Planning Application
Approved
2022-04-11
Conversion of roofspace for habitable use invoving rear dormer and front rooflights, enlargement of the first floor side extension to the rear of the property and widening of the front porch
1 AND 1A ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Zara Raza
Planning Application
Approved
2021-11-24
Single storey detached garage to rear
37 ASHBURTON ROAD RUISLIP · premises record
Officer Christopher Brady
Planning Application
Approved
2020-10-01
Replace an extant planning permission in order to extend the time limit for implementation with regards to planning application 71242/APP/2016/1465
1 AND 1A ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Unallocated TQ
Planning Application
No determination
2019-06-06
Erection of single storey rear extension
27 ASHBURTON ROAD RUISLIP · premises record
Officer Katherine Mills
Other
2026-04-27
More
Planning Application
Conversion of roof space to habitable use to include hip to gable extension, rear dormer and 2 x front roof lights. Removal of chimney (Application for a Lawful Development for a Proposed Development)
27 ASHBURTON ROAD RUISLIP · premises record
Officer Katherine Mills
Approved
2026-02-03
More
Planning Application
Amendments to fenestrations consisting of the installation of additional door to first floor flat (Retrospective Application).
1A ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Becky Smith
Approved
2025-03-18
More
Planning Application
Show all 10 rows
Erection of single storey rear extension.
75 ASHBURTON ROAD RUISLIP · premises record
Agent Mr Sunil Malhotra · Officer Katherine Mills
Approved
2023-11-03
More
Planning Application
Erection of a double garage in the rear garden (Retrospective)
37 ASHBURTON ROAD RUISLIP · premises record
Officer Christopher Brady
Refused
2023-06-30
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
51 ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Analese Haynes
Approved
2022-04-11
More
Planning Application
Erection of a single storey rear extension.
51 ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Agent Mr Jeff Gillett · Officer Katherine Mills
Approved
2022-04-11
More
Planning Application
Conversion of roofspace for habitable use invoving rear dormer and front rooflights, enlargement of the first floor side extension to the rear of the property and widening of the front porch
1 AND 1A ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Zara Raza
Approved
2021-11-24
More
Planning Application
Single storey detached garage to rear
37 ASHBURTON ROAD RUISLIP · premises record
Officer Christopher Brady
Approved
2020-10-01
More
Planning Application
Replace an extant planning permission in order to extend the time limit for implementation with regards to planning application 71242/APP/2016/1465
1 AND 1A ASHBURTON ROAD RUISLIP HA4 6AA · premises record
Officer Unallocated TQ
No determination
2019-06-06
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 48 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 48 of 48 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 48 of 48 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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 5 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Show all 10 rows
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 5 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent37 applications and 37 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy27 EPC records; ratings C: 6, D: 15, E: 5, 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.