Postcode record · Hillingdon
HA4 8EX.
HA4 8EX has 18 known premises and 34 planning records — 23 approved of 32 decided (71.9%). 8 EPC records.
Postcode HA4 8EX · boundary not held, centred on the postcodeApprovedRefusedOther34 exact34 on the map — every match
At a glance · this postcodeHillingdon profile →
18
Premises
known addresses (UPRNs)
34
Applications
32 decided
71.9%
Approval rate
23 approved · 9 refused
8
EPC records
ratings C 1 · D 5 · E 2
34
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 8EX has 18 known premises and 34 planning records — 23 approved of 32 decided (71.9%). 8 EPC records.
Premises
Name
Details
UPRN 10096323826
UPRN 100021468083
UPRN 100021468085
UPRN 100021468087
UPRN 100021468089
UPRN 100021468091
UPRN 100021468093
UPRN 100021468095
UPRN 100021468097
UPRN 100021468099
UPRN 10096323826
UPRN 100021468083
UPRN 100021468085
Show all 10 rows
UPRN 100021468087
UPRN 100021468089
UPRN 100021468091
UPRN 100021468093
UPRN 100021468095
UPRN 100021468097
UPRN 100021468099
Planning
What happened?
34 planning applications across the postcode; 23 approved of 32 decided (71.9%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof space to habitable use to include a rear dormer, front roof lights, conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
32 SOUTH DRIVE RUISLIP · premises record
Agent Mrs Margaret Leo · Officer Sharon Singh
Planning Application
Other
2026-05-04
Erection of a conservatory style extension to the front, and reinstatement of existing materials (Retrospective Application).
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Samuel Patten
Planning Application
Approved
2025-11-17
Erection of single storey part side, part rear extension
14 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Sharon Singh
Planning Application
Approved
2025-11-04
Conversion of roof space to habitable use to include a rear dormer with 2 x Juliette balconies, and conversion of roof from hip to gable ends, and 4no. front roof lights.(Application for a Certificate of Lawful Development for a Proposed Development)
34 SOUTH DRIVE RUISLIP · premises record
Officer Samuel Patten
Planning Application
Approved
2025-09-06
Conversion of integral garage to habitable accommodation, erection of a single storey extension to the rear, erection of a single storey infill extension to the side/rear, amendments to fenestration.
34 SOUTH DRIVE RUISLIP · premises record
Officer Katherine Mills
Planning Application
Approved
2025-08-14
Erection of single storey rear and side extension.
18 SOUTH DRIVE RUISLIP · premises record
Planning Application
Approved
2024-05-21
Part retrospective application for the erection of boundary wall with timber fence cladding
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Emilie Bateman
Planning Application
Refused
2023-09-26
Outbuilding to the rear garden (Retrospective application).
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Emilie Bateman
Planning Application
Approved
2023-06-22
Erection of boundary wall (Retrospective application)
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Emilie Bateman
Planning Application
Refused
2023-06-22
Partially retrospective application for the retention of a front porch, roof extension with conversion of roofspace to habitable use including a rear dormer, and rooflights. Amendments to fenestration including installation of porthole window and reinstatement of existing materials (revised descript
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Agent Mr Mark Seagrove · Officer Emilie Bateman
Planning Application
Approved
2023-06-22
Conversion of roof space to habitable use to include a rear dormer, front roof lights, conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
32 SOUTH DRIVE RUISLIP · premises record
Agent Mrs Margaret Leo · Officer Sharon Singh
Other
2026-05-04
More
Planning Application
Erection of a conservatory style extension to the front, and reinstatement of existing materials (Retrospective Application).
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Samuel Patten
Approved
2025-11-17
More
Planning Application
Erection of single storey part side, part rear extension
14 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Sharon Singh
Approved
2025-11-04
More
Planning Application
Show all 10 rows
Conversion of roof space to habitable use to include a rear dormer with 2 x Juliette balconies, and conversion of roof from hip to gable ends, and 4no. front roof lights.(Application for a Certificate of Lawful Development for a Proposed Development)
34 SOUTH DRIVE RUISLIP · premises record
Officer Samuel Patten
Approved
2025-09-06
More
Planning Application
Conversion of integral garage to habitable accommodation, erection of a single storey extension to the rear, erection of a single storey infill extension to the side/rear, amendments to fenestration.
34 SOUTH DRIVE RUISLIP · premises record
Officer Katherine Mills
Approved
2025-08-14
More
Planning Application
Erection of single storey rear and side extension.
18 SOUTH DRIVE RUISLIP · premises record
Approved
2024-05-21
More
Planning Application
Part retrospective application for the erection of boundary wall with timber fence cladding
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Emilie Bateman
Refused
2023-09-26
More
Planning Application
Outbuilding to the rear garden (Retrospective application).
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Emilie Bateman
Approved
2023-06-22
More
Planning Application
Erection of boundary wall (Retrospective application)
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Officer Emilie Bateman
Refused
2023-06-22
More
Planning Application
Partially retrospective application for the retention of a front porch, roof extension with conversion of roofspace to habitable use including a rear dormer, and rooflights. Amendments to fenestration including installation of porthole window and reinstatement of existing materials (revised descript
12 SOUTH DRIVE RUISLIP HA4 8EX · premises record
Agent Mr Mark Seagrove · Officer Emilie Bateman
Approved
2023-06-22
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 18 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 18 of 18 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
Case officer on 8 applications
Case officer on 4 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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Show all 10 rows
Case officer on 8 applications
Case officer on 4 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
Development
What could it become?
Planning precedent34 applications and 34 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 1, D: 5, E: 2.
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.