Postcode record · Hillingdon
HA4 6AL.
HA4 6AL has 12 known premises and 24 planning records — 16 approved of 24 decided (66.7%). 8 EPC records.
Postcode HA4 6AL · boundary not held, centred on the postcodeApprovedRefusedOther24 on the map — every match
At a glance · this postcodeHillingdon profile →
12
Premises
known addresses (UPRNs)
24
Applications
24 decided
66.7%
Approval rate
16 approved · 8 refused
56 days
Median decision time
average 56 days · 24 dated decisions
8
EPC records
ratings C 2 · D 5 · E 1
24
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 6AL has 12 known premises and 24 planning records — 16 approved of 24 decided (66.7%). 8 EPC records.
Premises
Name
Details
UPRN 100021457378
UPRN 100021457380
UPRN 100021457382
UPRN 100021457385
UPRN 100021457387
UPRN 100021457389
UPRN 100021457391
UPRN 100021457393
UPRN 100021457395
UPRN 100021457397
UPRN 100021457378
UPRN 100021457380
UPRN 100021457382
Show all 10 rows
UPRN 100021457385
UPRN 100021457387
UPRN 100021457389
UPRN 100021457391
UPRN 100021457393
UPRN 100021457395
UPRN 100021457397
Planning
What happened?
24 planning applications across the postcode; 16 approved of 24 decided (66.7%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of an infill single storey extension to rear and conversion of garage to habitable use. (Application for a Certificate of Lawful Development for a Proposed Development)
4 CORNWALL ROAD UXBRIDGE · premises record
Officer Samuel Patten
Planning Application
Approved
2023-11-23
Conversion of garage to habitable accommodation. (Application for a Certificate of Lawful Development for a Proposed Development)
4 CORNWALL ROAD UXBRIDGE · premises record
Officer Samuel Patten
Planning Application
Approved
2023-09-19
Erection of single storey extension to rear, erection of outbuilding to side garden and front porch extension (Application for a Certificate of Lawful Development for a Proposed Development)
22 CORNWALL ROAD UXBRIDGE · premises record
Officer Rhian Thomas
Planning Application
Approved
2022-07-15
Planning Application
Refused
2021-05-20
Conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end with gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
16 CORNWALL ROAD RUISLIP · premises record
Officer Mandeep Chaggar
Planning Application
Approved
2021-05-04
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)
14 CORNWALL ROAD RUISLIP · premises record
Officer Cris Lancaster
Planning Application
Approved
2018-08-13
Erection of a two storey building with habitable roofspace to include 5 x 2-bed self-contained flats with installation of vehicular crossover, parking and amenity space
12 & 14 CORNWALL ROAD UXBRIDGE · premises record
Officer Nicola Taplin
Planning Application
Refused
2018-07-04
Two storey, detached building with habitable roof space to create 4 x 2-bed and 2 x 1-bed self-contained flats, installation of vehicular crossover, parking and amenity space
12 & 14 CORNWALL ROAD UXBRIDGE · premises record
Officer Nicola Taplin
Planning Application
Refused
2017-10-11
Enlargement of roof space to create additional habitable roof space to include 1 rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
12 CORNWALL ROAD UXBRIDGE · premises record
Officer Charlotte Spencer
Planning Application
Approved
2017-05-16
Single storey rear extension and installation of 3 rooflights to create additional habitable roofspace
12 CORNWALL ROAD UXBRIDGE · premises record
Officer Charlotte Spencer
Planning Application
Approved
2017-04-26
Erection of an infill single storey extension to rear and conversion of garage to habitable use. (Application for a Certificate of Lawful Development for a Proposed Development)
4 CORNWALL ROAD UXBRIDGE · premises record
Officer Samuel Patten
Approved
2023-11-23
More
Planning Application
Conversion of garage to habitable accommodation. (Application for a Certificate of Lawful Development for a Proposed Development)
4 CORNWALL ROAD UXBRIDGE · premises record
Officer Samuel Patten
Approved
2023-09-19
More
Planning Application
Erection of single storey extension to rear, erection of outbuilding to side garden and front porch extension (Application for a Certificate of Lawful Development for a Proposed Development)
22 CORNWALL ROAD UXBRIDGE · premises record
Officer Rhian Thomas
Approved
2022-07-15
More
Planning Application
Show all 10 rows
Refused
2021-05-20
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end with gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
16 CORNWALL ROAD RUISLIP · premises record
Officer Mandeep Chaggar
Approved
2021-05-04
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)
14 CORNWALL ROAD RUISLIP · premises record
Officer Cris Lancaster
Approved
2018-08-13
More
Planning Application
Erection of a two storey building with habitable roofspace to include 5 x 2-bed self-contained flats with installation of vehicular crossover, parking and amenity space
12 & 14 CORNWALL ROAD UXBRIDGE · premises record
Officer Nicola Taplin
Refused
2018-07-04
More
Planning Application
Two storey, detached building with habitable roof space to create 4 x 2-bed and 2 x 1-bed self-contained flats, installation of vehicular crossover, parking and amenity space
12 & 14 CORNWALL ROAD UXBRIDGE · premises record
Officer Nicola Taplin
Refused
2017-10-11
More
Planning Application
Enlargement of roof space to create additional habitable roof space to include 1 rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
12 CORNWALL ROAD UXBRIDGE · premises record
Officer Charlotte Spencer
Approved
2017-05-16
More
Planning Application
Single storey rear extension and installation of 3 rooflights to create additional habitable roofspace
12 CORNWALL ROAD UXBRIDGE · premises record
Officer Charlotte Spencer
Approved
2017-04-26
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 12 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 12 of 12 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 12 of 12 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 24 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 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 1 application
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 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 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 2, D: 5, E: 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.