Postcode record · Hillingdon
HA4 6HP.
HA4 6HP has 10 known premises and 7 planning records — 1 approved of 5 decided (20%). 6 EPC records.
Postcode HA4 6HP · boundary not held, centred on the postcodeApprovedRefusedOther7 exact7 on the map — every match
At a glance · this postcodeHillingdon profile →
10
Premises
known addresses (UPRNs)
7
Applications
5 decided
20%
Approval rate
1 approved · 4 refused
6
EPC records
ratings C 1 · D 2 · E 3
7
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 6HP has 10 known premises and 7 planning records — 1 approved of 5 decided (20%). 6 EPC records.
Premises
Name
Details
UPRN 100021461802
UPRN 100021461804
UPRN 100021461806
UPRN 100021461808
UPRN 100021461810
UPRN 100021461812
UPRN 100021461814
UPRN 100021461816
UPRN 100021461818
UPRN 100021461820
UPRN 100021461802
UPRN 100021461804
UPRN 100021461806
Show all 10 rows
UPRN 100021461808
UPRN 100021461810
UPRN 100021461812
UPRN 100021461814
UPRN 100021461816
UPRN 100021461818
UPRN 100021461820
Planning
What happened?
7 planning applications across the postcode; 1 approved of 5 decided (20%). Latest 7 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
119 HERLWYN AVENUE RUISLIP MIDDX HA4 6HP · premises record
Agent Mr dan plover · Officer Cris Lancaster
Planning Application
Approved
2016-06-08
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
119 HERLWYN AVENUE RUISLIP HA4 6HP · premises record
Agent Mr Dan Plover · Officer Cris Lancaster
Planning Application
Refused
2016-02-22
Single storey rear extension with lantern rooflight and alterations to side elevation of original property (Application for a Certificate of Lawfulness for an existing use)
121 HERLWYN AVENUE RUISLIP MIDDLESEX HA4 6HP · premises record
Planning Application
Withdrawn
2010-04-19
Retention of part and demolition of part of unauthorised side and rear extension and change to roof profile
121 HERLWYN AVENUE RUISLIP HA4 6HP · premises record
Planning Application
Refused
2010-01-29
Erection of a Single storey front extension (Application for a Certificate of Lawful Development for a Proposed Development)
121 HERLWYN AVENUE RUISLIP MIDDLESEX HA4 6HP · premises record
Agent Mr Alex Frame · Officer Sonia Bowen
Planning Application
Refused
2009-06-03
Erection of a single storey side/rear extension.
121 HERLWYN AVENUE RUISLIP MIDDLESEX HA4 6HP · premises record
Agent Mr Alex Frame A D S Building Services · Officer Sonia Bowen
Planning Application
Withdrawn
2008-10-06
Installation of one free standing pouch box for use by Royal Mail (ref.RU 20)
FRONTING 103 HERLWYN AVENUE RUISLIP · premises record
Agent Mr J Heard Royal Mail · Officer Graham Nobbs
—
Refused
1999-01-14
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
119 HERLWYN AVENUE RUISLIP MIDDX HA4 6HP · premises record
Agent Mr dan plover · Officer Cris Lancaster
Approved
2016-06-08
More
Planning Application
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
119 HERLWYN AVENUE RUISLIP HA4 6HP · premises record
Agent Mr Dan Plover · Officer Cris Lancaster
Refused
2016-02-22
More
Planning Application
Single storey rear extension with lantern rooflight and alterations to side elevation of original property (Application for a Certificate of Lawfulness for an existing use)
121 HERLWYN AVENUE RUISLIP MIDDLESEX HA4 6HP · premises record
Withdrawn
2010-04-19
More
Planning Application
Show all 7 rows
Retention of part and demolition of part of unauthorised side and rear extension and change to roof profile
121 HERLWYN AVENUE RUISLIP HA4 6HP · premises record
Refused
2010-01-29
More
Planning Application
Erection of a Single storey front extension (Application for a Certificate of Lawful Development for a Proposed Development)
121 HERLWYN AVENUE RUISLIP MIDDLESEX HA4 6HP · premises record
Agent Mr Alex Frame · Officer Sonia Bowen
Refused
2009-06-03
More
Planning Application
Erection of a single storey side/rear extension.
121 HERLWYN AVENUE RUISLIP MIDDLESEX HA4 6HP · premises record
Agent Mr Alex Frame A D S Building Services · Officer Sonia Bowen
Withdrawn
2008-10-06
More
Planning Application
Installation of one free standing pouch box for use by Royal Mail (ref.RU 20)
FRONTING 103 HERLWYN AVENUE RUISLIP · premises record
Agent Mr J Heard Royal Mail · Officer Graham Nobbs
Refused
1999-01-14
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 10 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 10 of 10 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 7 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Show all 9 rows
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent7 applications and 7 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 1, D: 2, 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.
No intent signal is currently recorded in this postcode.
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.