Postcode record · Hillingdon
HA4 9SS.
HA4 9SS has 26 known premises and 30 planning records — 23 approved of 27 decided (85.2%). 12 EPC records.
Postcode HA4 9SS · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeHillingdon profile →
26
Premises
known addresses (UPRNs)
30
Applications
27 decided
85.2%
Approval rate
23 approved · 4 refused
12
EPC records
ratings D 8 · E 3 · F 1
30
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 9SS has 26 known premises and 30 planning records — 23 approved of 27 decided (85.2%). 12 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 10025542714
UPRN 10092983340
UPRN 10092983733
UPRN 100021469134
UPRN 100021469136
UPRN 100021469138
UPRN 100021469140
UPRN 100021469142
UPRN 100021469144
UPRN 100021469147
UPRN 10025542714
UPRN 10092983340
UPRN 10092983733
Show all 10 rows
UPRN 100021469134
UPRN 100021469136
UPRN 100021469138
UPRN 100021469140
UPRN 100021469142
UPRN 100021469144
UPRN 100021469147
Planning
What happened?
30 planning applications across the postcode; 23 approved of 27 decided (85.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey rear extension and amendments to fenestration with replacement windows along the flank elevation. .
41 SUNNINGDALE AVENUE RUISLIP · premises record
Officer Sharon Singh
Planning Application
Approved
2025-04-30
Erection of a single-story rear extension.
9 SUNNINGDALE AVENUE RUISLIP · premises record
Agent Mr Sinnathamby Easwarathasan · Officer Emilie Bateman
Planning Application
Approved
2021-10-30
Use of granny annexe as a self-contained residential unit (Application for a Certificate of Lawful Development for an Existing Use)
45 SUNNINGDALE AVENUE RUISLIP · premises record
Officer Nesha Burnham
Planning Application
Refused
2021-06-24
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 a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
29 SUNNINGDALE AVENUE RUISLIP · premises record
Agent Mr eddie hannigan · Officer Hoda Sadri
Planning Application
Approved
2019-06-19
Planning Application
Approved
2019-06-19
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
31 SUNNINGDALE AVENUE RUISLIP · premises record
Agent Mr eddie hannigan · Officer Diane Verona
Planning Application
Approved
2019-04-15
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 3.56 metres, and for which the height of the eaves would be 2.575 metres.
39 SUNNINGDALE AVENUE RUISLIP · premises record
Agent S9DESIGNS · Officer Liz Arnold
Planning Application
Approved
2017-07-25
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 3.95 metres, and for which the height of the eaves would be 2.9 metres
39 SUNNINGDALE AVENUE RUISLIP HA4 9SS · premises record
Officer Liz Arnold
Planning Application
Approved
2017-04-11
Single storey side/rear extension
23 SUNNINGDALE AVENUE RUISLIP HA4 9SS · premises record
Agent John Prideaux · Officer Hoda Sadri
Planning Application
Approved
2017-01-19
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 (Application for a Certificate of Lawful Development for a Proposed Development)
35 SUNNINGDALE AVENUE RUISLIP · premises record
Officer Hoda Sadri
Planning Application
Approved
2016-11-23
Erection of a single storey rear extension and amendments to fenestration with replacement windows along the flank elevation. .
41 SUNNINGDALE AVENUE RUISLIP · premises record
Officer Sharon Singh
Approved
2025-04-30
More
Planning Application
Erection of a single-story rear extension.
9 SUNNINGDALE AVENUE RUISLIP · premises record
Agent Mr Sinnathamby Easwarathasan · Officer Emilie Bateman
Approved
2021-10-30
More
Planning Application
Use of granny annexe as a self-contained residential unit (Application for a Certificate of Lawful Development for an Existing Use)
45 SUNNINGDALE AVENUE RUISLIP · premises record
Officer Nesha Burnham
Refused
2021-06-24
More
Planning Application
Show all 10 rows
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 a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
29 SUNNINGDALE AVENUE RUISLIP · premises record
Agent Mr eddie hannigan · Officer Hoda Sadri
Approved
2019-06-19
More
Planning Application
Approved
2019-06-19
More
Planning Application
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
31 SUNNINGDALE AVENUE RUISLIP · premises record
Agent Mr eddie hannigan · Officer Diane Verona
Approved
2019-04-15
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 3.56 metres, and for which the height of the eaves would be 2.575 metres.
39 SUNNINGDALE AVENUE RUISLIP · premises record
Agent S9DESIGNS · Officer Liz Arnold
Approved
2017-07-25
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 3.95 metres, and for which the height of the eaves would be 2.9 metres
39 SUNNINGDALE AVENUE RUISLIP HA4 9SS · premises record
Officer Liz Arnold
Approved
2017-04-11
More
Planning Application
Single storey side/rear extension
23 SUNNINGDALE AVENUE RUISLIP HA4 9SS · premises record
Agent John Prideaux · Officer Hoda Sadri
Approved
2017-01-19
More
Planning Application
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 (Application for a Certificate of Lawful Development for a Proposed Development)
35 SUNNINGDALE AVENUE RUISLIP · premises record
Officer Hoda Sadri
Approved
2016-11-23
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).
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 2 applications
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 6 applications
Case officer on 3 applications
Case officer on 2 applications
Agent on 2 applications
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
Case officer on 6 applications
Case officer on 3 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent30 applications and 30 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings D: 8, E: 3, 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 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.