Postcode record · Hillingdon
HA4 6QN.
HA4 6QN has 26 known premises and 11 planning records — 7 approved of 10 decided (70%). 15 EPC records.
Postcode HA4 6QN · boundary not held, centred on the postcodeApprovedRefusedOther11 on the map — every match
At a glance · this postcodeHillingdon profile →
26
Premises
known addresses (UPRNs)
11
Applications
10 decided
70%
Approval rate
7 approved · 3 refused
57 days
Median decision time
average 74 days · 11 dated decisions
15
EPC records
ratings C 3 · D 9 · E 3
11
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 6QN has 26 known premises and 11 planning records — 7 approved of 10 decided (70%). 15 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 100021458516
UPRN 100021458517
UPRN 100021458518
UPRN 100021458519
UPRN 100021458520
UPRN 100021458521
UPRN 100021458522
UPRN 100021458523
UPRN 100021458524
UPRN 100021458525
UPRN 100021458516
UPRN 100021458517
UPRN 100021458518
Show all 10 rows
UPRN 100021458519
UPRN 100021458520
UPRN 100021458521
UPRN 100021458522
UPRN 100021458523
UPRN 100021458524
UPRN 100021458525
Planning
What happened?
11 planning applications across the postcode; 7 approved of 10 decided (70%). Latest 11 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single-storey side/rear extension.
9 DUDLEY DRIVE RUISLIP · premises record
Officer Samuel Patten
Planning Application
Approved
2026-03-23
Removal of existing conservatory. Erection of a single storey rear extension, and installation of raised patio/decking.
25 DUDLEY DRIVE RUISLIP · premises record
Officer Katherine Mills
Planning Application
Approved
2025-05-28
Garage conversion with rendered walls and amendments to fenestrations
24 DUDLEY DRIVE RUISLIP · premises record
Officer Samuel Patten
Planning Application
Approved
2024-08-28
Conversion of roof space to habitable use to include a rear dormer with 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)
16 DUDLEY DRIVE RUISLIP MIDDX HA4 6QN · premises record
Officer Katherine Mills
Planning Application
Approved
2022-11-21
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3 metres, and for which the height of the eaves would be 3 metres
8 DUDLEY DRIVE RUISLIP · premises record
Officer Scott Hackner
Planning Application
Approved
2014-12-12
TWO STOREY TWO-BEDROOM DETACHED DWELLING INVOLVING DEMOLITION OF EXISTING DETACHED GARAGES (WORKS INVOLVE CREATION OF TWO PARKING SPACES AND ACCESS FROM DUDLEY DRIVE FOR EXISTING DWELLING).
24 DUDLEY DRIVE RUISLIP · premises record
Officer Hilary Lock
Planning Application
Refused
2008-07-17
ERECTION OF A SINGLE STOREY REAR EXTENSION (APPLICATION FOR A CERTIFICATE OF LAWFULNESS FOR A PROPOSED USE OR DEVELOPMENT).
13 DUDLEY DRIVE RUISLIP MIDDLESEX HA4 6QN · premises record
Officer Colin Tebb
Planning Application
Other
2006-09-14
ERECTION OF SINGLE STOREY REAR EXTENSION (INVOLVING DEMOLITION OF EXISTING REAR EXTENSION)
17 DUDLEY DRIVE RUISLIP · premises record
Officer Shahida Manjlai
Planning Application
Approved
2004-04-05
CONVERSION AND EXTENSION OF A GARAGE TO FORM A ONE-BEDROOM RESIDENTIAL UNIT WITH OFF-STREET PARKING FOR TWO VEHICLES
24 DUDLEY DRIVE RUISLIP · premises record
Officer Subash Jain
Planning Application
Refused
2002-05-10
CONVERSION AND EXTENSION OF GARAGE TO FORM A ONE-BEDROOM CHALET BUNGALOW WITH OFF-STREET PARKING FOR TWO VEHICLES
24 DUDLEY DRIVE RUISLIP · premises record
Officer David Pietsch
Planning Application
Refused
2001-09-26
Erection of a single-storey side/rear extension.
9 DUDLEY DRIVE RUISLIP · premises record
Officer Samuel Patten
Approved
2026-03-23
More
Planning Application
Removal of existing conservatory. Erection of a single storey rear extension, and installation of raised patio/decking.
25 DUDLEY DRIVE RUISLIP · premises record
Officer Katherine Mills
Approved
2025-05-28
More
Planning Application
Garage conversion with rendered walls and amendments to fenestrations
24 DUDLEY DRIVE RUISLIP · premises record
Officer Samuel Patten
Approved
2024-08-28
More
Planning Application
Show all 10 rows
Conversion of roof space to habitable use to include a rear dormer with 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)
16 DUDLEY DRIVE RUISLIP MIDDX HA4 6QN · premises record
Officer Katherine Mills
Approved
2022-11-21
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3 metres, and for which the height of the eaves would be 3 metres
8 DUDLEY DRIVE RUISLIP · premises record
Officer Scott Hackner
Approved
2014-12-12
More
Planning Application
TWO STOREY TWO-BEDROOM DETACHED DWELLING INVOLVING DEMOLITION OF EXISTING DETACHED GARAGES (WORKS INVOLVE CREATION OF TWO PARKING SPACES AND ACCESS FROM DUDLEY DRIVE FOR EXISTING DWELLING).
24 DUDLEY DRIVE RUISLIP · premises record
Officer Hilary Lock
Refused
2008-07-17
More
Planning Application
ERECTION OF A SINGLE STOREY REAR EXTENSION (APPLICATION FOR A CERTIFICATE OF LAWFULNESS FOR A PROPOSED USE OR DEVELOPMENT).
13 DUDLEY DRIVE RUISLIP MIDDLESEX HA4 6QN · premises record
Officer Colin Tebb
Other
2006-09-14
More
Planning Application
ERECTION OF SINGLE STOREY REAR EXTENSION (INVOLVING DEMOLITION OF EXISTING REAR EXTENSION)
17 DUDLEY DRIVE RUISLIP · premises record
Officer Shahida Manjlai
Approved
2004-04-05
More
Planning Application
CONVERSION AND EXTENSION OF A GARAGE TO FORM A ONE-BEDROOM RESIDENTIAL UNIT WITH OFF-STREET PARKING FOR TWO VEHICLES
24 DUDLEY DRIVE RUISLIP · premises record
Officer Subash Jain
Refused
2002-05-10
More
Planning Application
CONVERSION AND EXTENSION OF GARAGE TO FORM A ONE-BEDROOM CHALET BUNGALOW WITH OFF-STREET PARKING FOR TWO VEHICLES
24 DUDLEY DRIVE RUISLIP · premises record
Officer David Pietsch
Refused
2001-09-26
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 26 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 26 of 26 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).
Cavendish Avenue0 mDudley Drive0 mAcol Crescent28 mStation Approach38 mWest End Road39 mMahlon Avenue46 mOdyssey Business Park Access Road47 mHardy Avenue58 m
People
Who is involved?
Named on the latest 11 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Show all 9 rows
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent11 applications and 11 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 3, D: 9, E: 3.
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.