Planning Atlas
AtlasPostcodeHA49QD
Planning AtlasHillingdonEastcote wardHA4 9QD
Postcode record · Hillingdon

HA4 9QD.

HA4 9QD has 26 known premises and 16 planning records — 11 approved of 14 decided (78.6%). 12 EPC records.

HillingdonEastcoteHA4 9QD
Postcode HA4 9QD · boundary not held, centred on the postcodeApprovedRefusedOther16 exact16 on the map — every match
At a glance · this postcodeHillingdon profile →
26
Premises
known addresses (UPRNs)
16
Applications
14 decided
78.6%
Approval rate
11 approved · 3 refused
12
EPC records
ratings C 1 · D 4 · E 6 · F 1
16
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 9QD has 26 known premises and 16 planning records — 11 approved of 14 decided (78.6%). 12 EPC records.

Premises (18 of 26 shown)

Planning

What happened?

16 planning applications across the postcode; 11 approved of 14 decided (78.6%). Latest 16 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Erection of single storey rear extension, following demolishing of existing rear extension
28 CARDINAL ROAD RUISLIP · premises record
Agent Mr K DAustin · Officer Sadmir Kabashi
Planning Application
Other
2026-05-07
Erection of a single storey rear extension, a front porch, and conversion of roof space to habitable use including a rear dormer, 2 front roof lights, and conversion of roof form from hipped to gable ended, following the demolition of the existing rear conservatory and detached garage.
40 CARDINAL ROAD RUISLIP · premises record
Planning Application
Other
2026-04-27
Conversion of roof space to habitable use to include hip to gable end, rear dormer, gable end window, front roof lights, and erection of a single-storey rear extension, following demolition of existing conservatory and chimneys. (Description Amended)
18 CARDINAL ROAD RUISLIP · premises record
Planning Application
Approved
2025-11-24
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end with new gable end window, and the erection of a single storey extension to the rear (Application for a Certificate of Lawful Development for a Proposed Development)
2 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Planning Application
Approved
2024-09-04
Erection of a single storey rear extension (retrospective application).
20 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Planning Application
Approved
2022-01-12
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with gable end window and alterations to fenestration (Application for a Certificate of Lawful Development for a Existing Development)
24 CARDINAL ROAD RUISLIP · premises record
Planning Application
Approved
2021-04-13
Conversion of roofspace to habitable use to include a rear dormer, 2 x 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 CARDINAL ROAD RUISLIP · premises record
Officer Hoda Sadri
Planning Application
Approved
2021-02-13
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with gable end window and alterations to fenestration (Application for a Certificate of Lawful Development for a Proposed Development)
24 CARDINAL ROAD RUISLIP · premises record
Planning Application
Refused
2021-02-08
Single storey rear extension
20 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Officer Diane Verona
Planning Application
Approved
2021-01-27
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 2.9 metres
20 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Officer Diane Verona
Planning Application
Refused
2020-11-04
Erection of single storey rear extension, following demolishing of existing rear extension
28 CARDINAL ROAD RUISLIP · premises record
Agent Mr K DAustin · Officer Sadmir Kabashi
Other
2026-05-07
More
Planning Application
Erection of a single storey rear extension, a front porch, and conversion of roof space to habitable use including a rear dormer, 2 front roof lights, and conversion of roof form from hipped to gable ended, following the demolition of the existing rear conservatory and detached garage.
40 CARDINAL ROAD RUISLIP · premises record
Other
2026-04-27
More
Planning Application
Conversion of roof space to habitable use to include hip to gable end, rear dormer, gable end window, front roof lights, and erection of a single-storey rear extension, following demolition of existing conservatory and chimneys. (Description Amended)
18 CARDINAL ROAD RUISLIP · premises record
Approved
2025-11-24
More
Planning Application
Show all 10 rows
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end with new gable end window, and the erection of a single storey extension to the rear (Application for a Certificate of Lawful Development for a Proposed Development)
2 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Approved
2024-09-04
More
Planning Application
Erection of a single storey rear extension (retrospective application).
20 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Approved
2022-01-12
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with gable end window and alterations to fenestration (Application for a Certificate of Lawful Development for a Existing Development)
24 CARDINAL ROAD RUISLIP · premises record
Approved
2021-04-13
More
Planning Application
Conversion of roofspace to habitable use to include a rear dormer, 2 x 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 CARDINAL ROAD RUISLIP · premises record
Officer Hoda Sadri
Approved
2021-02-13
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with gable end window and alterations to fenestration (Application for a Certificate of Lawful Development for a Proposed Development)
24 CARDINAL ROAD RUISLIP · premises record
Refused
2021-02-08
More
Planning Application
Single storey rear extension
20 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Officer Diane Verona
Approved
2021-01-27
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 2.9 metres
20 CARDINAL ROAD RUISLIP HA4 9QD · premises record
Officer Diane Verona
Refused
2020-11-04
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.
People

Who is involved?

Named on the latest 16 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
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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Show all 10 rows
Agent on 1 application
Agent on 1 application
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
Development

What could it become?

Planning precedent16 applications and 16 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 1, D: 4, E: 6, F: 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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

6 intent signals recorded in this postcode
Price decline · EPC F/G · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.