Postcode record · Hillingdon
HA4 9HL.
HA4 9HL has 32 known premises and 8 planning records — 6 approved of 7 decided (85.7%). 17 EPC records.
Postcode HA4 9HL · boundary not held, centred on the postcodeApprovedRefusedOther8 exact8 on the map — every match
At a glance · this postcodeHillingdon profile →
32
Premises
known addresses (UPRNs)
8
Applications
7 decided
85.7%
Approval rate
6 approved · 1 refused
17
EPC records
ratings C 2 · D 11 · E 4
8
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 9HL has 32 known premises and 8 planning records — 6 approved of 7 decided (85.7%). 17 EPC records.
Premises (18 of 32 shown)
Name
Details
UPRN 10092983731
UPRN 100021462130
UPRN 100021462132
UPRN 100021462134
UPRN 100021462136
UPRN 100021462138
UPRN 100021462140
UPRN 100021462142
UPRN 100021462144
UPRN 100021462146
UPRN 10092983731
UPRN 100021462130
UPRN 100021462132
Show all 10 rows
UPRN 100021462134
UPRN 100021462136
UPRN 100021462138
UPRN 100021462140
UPRN 100021462142
UPRN 100021462144
UPRN 100021462146
Planning
What happened?
8 planning applications across the postcode; 6 approved of 7 decided (85.7%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
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 HILLCROFT CRESCENT RUISLIP · premises record
Agent Mr Les Simpson · Officer Zara Raza
Planning Application
Approved
2021-08-06
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.8 metres, for which the maximum height would be 3.5 metres, and for which the height of the eaves would be 2.6 metres
53 HILLCROFT CRESCENT RUISLIP · premises record
Agent CFD Engineering Ltd Aqua House · Officer Hoda Sadri
Planning Application
Approved
2019-06-03
New roof to existing single storey rear extension involving installation of 3 rooflights and external alterations to side and rear elevations
57 HILLCROFT CRESCENT RUISLIP HA4 9HL · premises record
Planning Application
Approved
2014-05-09
Single storey rear extension (Application for a Certificate of Lawfulness for a proposed use or development).
47 HILLCROFT CRESCENT RUISLIP · premises record
Planning Application
Approved
2009-03-11
CONVERSION OF THE ROOFSPACE TO PROVIDE HABITABLE ACCOMMODATION INCORPORATING SIDE AND REAR DORMERS AND 2 FRONT ROOFLIGHTS.
33 HILLCROFT CRESCENT RUISLIP · premises record
Agent Fallon & Molloy · Officer Sonia Bowen
Planning Application
Refused
2007-07-17
ERECTION OF A SINGLE STOREY REAR EXTENSION
57 HILLCROFT CRESCENT RUISLIP MIDDLESEX HA4 9HL · premises record
Agent Mr D J Humphries · Officer Sonia / Louie Bowen
Planning Application
Approved
2004-11-25
ERECTION OF A SINGLE STOREY REAR EXTENSION (APPLICATION FOR A CERTIFICATE OF LAWFULNESS FOR A PROPOSED USE OR DEVELOPMENT)
57 HILLCROFT CRESCENT RUISLIP MIDDLESEX HA4 9HL · premises record
Agent P J WELLS · Officer Ralph Adenegan
Planning Application
Other
2004-07-23
Erection of side and rear dormer extensions
23 HILLCROFT CRESCENT RUISLIP · premises record
Agent Mr B S Laver · Officer Jenny Seaman
—
Approved
1996-06-17
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 HILLCROFT CRESCENT RUISLIP · premises record
Agent Mr Les Simpson · Officer Zara Raza
Approved
2021-08-06
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.8 metres, for which the maximum height would be 3.5 metres, and for which the height of the eaves would be 2.6 metres
53 HILLCROFT CRESCENT RUISLIP · premises record
Agent CFD Engineering Ltd Aqua House · Officer Hoda Sadri
Approved
2019-06-03
More
Planning Application
New roof to existing single storey rear extension involving installation of 3 rooflights and external alterations to side and rear elevations
57 HILLCROFT CRESCENT RUISLIP HA4 9HL · premises record
Approved
2014-05-09
More
Planning Application
Show all 8 rows
Single storey rear extension (Application for a Certificate of Lawfulness for a proposed use or development).
47 HILLCROFT CRESCENT RUISLIP · premises record
Approved
2009-03-11
More
Planning Application
CONVERSION OF THE ROOFSPACE TO PROVIDE HABITABLE ACCOMMODATION INCORPORATING SIDE AND REAR DORMERS AND 2 FRONT ROOFLIGHTS.
33 HILLCROFT CRESCENT RUISLIP · premises record
Agent Fallon & Molloy · Officer Sonia Bowen
Refused
2007-07-17
More
Planning Application
ERECTION OF A SINGLE STOREY REAR EXTENSION
57 HILLCROFT CRESCENT RUISLIP MIDDLESEX HA4 9HL · premises record
Agent Mr D J Humphries · Officer Sonia / Louie Bowen
Approved
2004-11-25
More
Planning Application
ERECTION OF A SINGLE STOREY REAR EXTENSION (APPLICATION FOR A CERTIFICATE OF LAWFULNESS FOR A PROPOSED USE OR DEVELOPMENT)
57 HILLCROFT CRESCENT RUISLIP MIDDLESEX HA4 9HL · premises record
Agent P J WELLS · Officer Ralph Adenegan
Other
2004-07-23
More
Planning Application
Erection of side and rear dormer extensions
23 HILLCROFT CRESCENT RUISLIP · premises record
Agent Mr B S Laver · Officer Jenny Seaman
Approved
1996-06-17
More
—
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 32 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 32 of 32 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 32 of 32 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 8 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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent8 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 2, D: 11, E: 4.
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.