Postcode record · Hillingdon
HA4 6AJ.
HA4 6AJ has 44 known premises and 65 planning records — 42 approved of 59 decided (71.2%). 20 EPC records.
Postcode HA4 6AJ · boundary not held, centred on the postcodeApprovedRefusedOther65 exact65 on the map — every match
At a glance · this postcodeHillingdon profile →
44
Premises
known addresses (UPRNs)
65
Applications
59 decided
71.2%
Approval rate
42 approved · 17 refused
20
EPC records
ratings C 2 · D 11 · E 7
65
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 6AJ has 44 known premises and 65 planning records — 42 approved of 59 decided (71.2%). 20 EPC records.
Premises (18 of 44 shown)
Name
Details
UPRN 768011836
UPRN 10003000641
UPRN 10003002560
UPRN 100021457377
UPRN 100021457379
UPRN 100021457381
UPRN 100021457383
UPRN 100021457384
UPRN 100021457386
UPRN 100021457388
UPRN 768011836
UPRN 10003000641
UPRN 10003002560
Show all 10 rows
UPRN 100021457377
UPRN 100021457379
UPRN 100021457381
UPRN 100021457383
UPRN 100021457384
UPRN 100021457386
UPRN 100021457388
Planning
What happened?
65 planning applications across the postcode; 42 approved of 59 decided (71.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
65 CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent Mr D Newman · Officer Katherine Mills
Planning Application
Other
2026-05-14
Erection of a single storey side and rear wraparound extension.
65 CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent Mr D Newman · Officer Sharon Singh
Planning Application
Other
2026-05-11
Conversion of roof space to habitable use to include rear dormer and 3 front roof lights.
19 CORNWALL ROAD RUISLIP · premises record
Planning Application
Approved
2025-05-17
Erection of new front porch.
19 CORNWALL ROAD UXBRIDGE · premises record
Agent - P R Architecture · Officer Nicola Taplin
Planning Application
Refused
2023-03-31
Retention of rendered facades and fenestration changes (Retrospective planning application).
19 CORNWALL ROAD UXBRIDGE · premises record
Agent - P R Architecture · Officer Nicola Taplin
Planning Application
Refused
2023-03-31
Retention of two storey side extension (following demolition of garage)
7A CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent Mr Gary Pottle Suite A · Officer Emilie Bateman
Planning Application
Approved
2021-11-10
Conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end with new window (Application for a Lawful Development Certificate for a Proposed use or development)
7A CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent R.P. Arch. Services · Officer Zara Raza
Planning Application
Approved
2021-09-29
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
17 CORNWALL ROAD RUISLIP · premises record
Agent MR Faluck Patel · Officer Zara Raza
Planning Application
Approved
2021-09-09
Single storey rear extension.
51 CORNWALL ROAD RUISLIP · premises record
Agent MR Faluck Patel · Officer Jimill Patel
Planning Application
Approved
2021-08-11
Single storey detached outbuilding for use as games room/gym and storage (Application for a Certificate of Lawful Development for a Proposed Development)
51 CORNWALL ROAD RUISLIP · premises record
Agent MR Faluck Patel · Officer Zara Raza
Planning Application
Approved
2021-08-11
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
65 CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent Mr D Newman · Officer Katherine Mills
Other
2026-05-14
More
Planning Application
Erection of a single storey side and rear wraparound extension.
65 CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent Mr D Newman · Officer Sharon Singh
Other
2026-05-11
More
Planning Application
Conversion of roof space to habitable use to include rear dormer and 3 front roof lights.
19 CORNWALL ROAD RUISLIP · premises record
Approved
2025-05-17
More
Planning Application
Show all 10 rows
Erection of new front porch.
19 CORNWALL ROAD UXBRIDGE · premises record
Agent - P R Architecture · Officer Nicola Taplin
Refused
2023-03-31
More
Planning Application
Retention of rendered facades and fenestration changes (Retrospective planning application).
19 CORNWALL ROAD UXBRIDGE · premises record
Agent - P R Architecture · Officer Nicola Taplin
Refused
2023-03-31
More
Planning Application
Retention of two storey side extension (following demolition of garage)
7A CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent Mr Gary Pottle Suite A · Officer Emilie Bateman
Approved
2021-11-10
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end with new window (Application for a Lawful Development Certificate for a Proposed use or development)
7A CORNWALL ROAD RUISLIP HA4 6AJ · premises record
Agent R.P. Arch. Services · Officer Zara Raza
Approved
2021-09-29
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
17 CORNWALL ROAD RUISLIP · premises record
Agent MR Faluck Patel · Officer Zara Raza
Approved
2021-09-09
More
Planning Application
Single storey rear extension.
51 CORNWALL ROAD RUISLIP · premises record
Agent MR Faluck Patel · Officer Jimill Patel
Approved
2021-08-11
More
Planning Application
Single storey detached outbuilding for use as games room/gym and storage (Application for a Certificate of Lawful Development for a Proposed Development)
51 CORNWALL ROAD RUISLIP · premises record
Agent MR Faluck Patel · Officer Zara Raza
Approved
2021-08-11
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 44 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 44 of 44 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 44 of 44 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 4 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 2 applications
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent65 applications and 65 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 2, D: 11, E: 7.
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.