Postcode record · Hillingdon
HA4 6HD.
HA4 6HD has 26 known premises and 24 planning records — 16 approved of 24 decided (66.7%). 11 EPC records.
Postcode HA4 6HD · boundary not held, centred on the postcodeApprovedRefusedOther24 exact24 on the map — every match
At a glance · this postcodeHillingdon profile →
26
Premises
known addresses (UPRNs)
24
Applications
24 decided
66.7%
Approval rate
16 approved · 8 refused
11
EPC records
ratings C 2 · D 5 · E 4
24
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 6HD has 26 known premises and 24 planning records — 16 approved of 24 decided (66.7%). 11 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 10025186867
UPRN 10090330533
UPRN 100021461714
UPRN 100021461716
UPRN 100021461718
UPRN 100021461720
UPRN 100021461722
UPRN 100021461724
UPRN 100021461726
UPRN 100021461728
UPRN 10025186867
UPRN 10090330533
UPRN 100021461714
Show all 10 rows
UPRN 100021461716
UPRN 100021461718
UPRN 100021461720
UPRN 100021461722
UPRN 100021461724
UPRN 100021461726
UPRN 100021461728
Planning
What happened?
24 planning applications across the postcode; 16 approved of 24 decided (66.7%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of garage to habitable use.
18 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Nigel Fallon · Officer Katherine Mills
Planning Application
Approved
2024-02-20
Single story rear extension
48 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Kris Kolb Hazlemere Windows · Officer Liz Arnold
Planning Application
Approved
2019-10-23
Conversion of garage to habitable use to include alterations to front
24 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Sunil Malhotra · Officer Diane Verona
Planning Application
Approved
2019-04-11
Single storey rear extension and conversion of roof space to habitable use to include 2 side dormers and conversion of rear of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Hoda Sadri
Planning Application
Approved
2018-05-25
Single storey side extension involving conversion of garage to habitable use to include alterations to front elevation
42 HERLWYN AVENUE RUISLIP · premises record
Agent Ms Liz Swainston · Officer Cris Lancaster
Planning Application
Approved
2018-05-23
Single storey rear extension and conversion of roof space to habitable use to include 2 side dormers and conversion of rear of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Hardeep Ryatt
Planning Application
Refused
2018-03-19
Single storey side extension, conversion of garage to habitable use involving alterations to front elevation and conversion of roof space to habitable use to include a side dormer, 4 side roof lights and conversion of roof from hip to gable end with a new gable end window
42 HERLWYN AVENUE RUISLIP · premises record
Agent Ms Liz Swainston · Officer Hardeep Ryatt
Planning Application
Refused
2018-02-28
Single storey side/rear extension
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Cris Lancaster
Planning Application
Refused
2017-12-18
Conversion of garage to habitable use to include alterations to elevations and conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of both sides of roof from hip to gable end with a new gable end window
42 HERLWYN AVENUE RUISLIP · premises record
Agent Ms Liz Swainston Dunning and Swainston Architects · Officer Hardeep Ryatt
Planning Application
Refused
2017-11-06
Single storey side/rear extension and conversion of roofspace to habitable use to include a side dormer and 6 side rooflights with gable end window
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Cris Lancaster
Planning Application
Refused
2017-05-25
Conversion of garage to habitable use.
18 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Nigel Fallon · Officer Katherine Mills
Approved
2024-02-20
More
Planning Application
Single story rear extension
48 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Kris Kolb Hazlemere Windows · Officer Liz Arnold
Approved
2019-10-23
More
Planning Application
Conversion of garage to habitable use to include alterations to front
24 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Sunil Malhotra · Officer Diane Verona
Approved
2019-04-11
More
Planning Application
Show all 10 rows
Single storey rear extension and conversion of roof space to habitable use to include 2 side dormers and conversion of rear of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Hoda Sadri
Approved
2018-05-25
More
Planning Application
Single storey side extension involving conversion of garage to habitable use to include alterations to front elevation
42 HERLWYN AVENUE RUISLIP · premises record
Agent Ms Liz Swainston · Officer Cris Lancaster
Approved
2018-05-23
More
Planning Application
Single storey rear extension and conversion of roof space to habitable use to include 2 side dormers and conversion of rear of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Hardeep Ryatt
Refused
2018-03-19
More
Planning Application
Single storey side extension, conversion of garage to habitable use involving alterations to front elevation and conversion of roof space to habitable use to include a side dormer, 4 side roof lights and conversion of roof from hip to gable end with a new gable end window
42 HERLWYN AVENUE RUISLIP · premises record
Agent Ms Liz Swainston · Officer Hardeep Ryatt
Refused
2018-02-28
More
Planning Application
Single storey side/rear extension
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Cris Lancaster
Refused
2017-12-18
More
Planning Application
Conversion of garage to habitable use to include alterations to elevations and conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of both sides of roof from hip to gable end with a new gable end window
42 HERLWYN AVENUE RUISLIP · premises record
Agent Ms Liz Swainston Dunning and Swainston Architects · Officer Hardeep Ryatt
Refused
2017-11-06
More
Planning Application
Single storey side/rear extension and conversion of roofspace to habitable use to include a side dormer and 6 side rooflights with gable end window
36 HERLWYN AVENUE RUISLIP · premises record
Agent Mr Jerzy Stera · Officer Cris Lancaster
Refused
2017-05-25
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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Agent on 4 applications
Agent on 2 applications
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
Agent on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 2 applications
Show all 10 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 2, D: 5, E: 4.
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.
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.