Postcode record · Hillingdon
HA6 1SJ.
HA6 1SJ has 19 known premises and 13 planning records — 10 approved of 11 decided (90.9%). 13 EPC records.
Postcode HA6 1SJ · boundary not held, centred on the postcodeApprovedRefusedOther13 exact13 on the map — every match
At a glance · this postcodeHillingdon profile →
19
Premises
known addresses (UPRNs)
13
Applications
11 decided
90.9%
Approval rate
10 approved · 1 refused
13
EPC records
ratings C 4 · D 5 · E 4
13
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?
HA6 1SJ has 19 known premises and 13 planning records — 10 approved of 11 decided (90.9%). 13 EPC records.
Premises (18 of 19 shown)
Name
Details
UPRN 10092984075
UPRN 100021445162
UPRN 100021445163
UPRN 100021445164
UPRN 100021445166
UPRN 100021445168
UPRN 100021445169
UPRN 100021445171
UPRN 100021445173
UPRN 100021445175
UPRN 10092984075
UPRN 100021445162
UPRN 100021445163
Show all 10 rows
UPRN 100021445164
UPRN 100021445166
UPRN 100021445168
UPRN 100021445169
UPRN 100021445171
UPRN 100021445173
UPRN 100021445175
Planning
What happened?
13 planning applications across the postcode; 10 approved of 11 decided (90.9%). Latest 13 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof space to habitable use to include a rear dormer and 2 x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
45 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Planning Application
Approved
2025-04-16
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 2 front roof lights and new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
65 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent Mr vinay mistry · Officer Katherine Mills
Planning Application
Approved
2024-11-19
Erection of a single storey extension to the rear
65 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent Mr Vinay Mistry · Officer Katherine Mills
Planning Application
Approved
2024-11-18
Erection of a single storey side and rear extension
61 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr neil stantiall Pario Consulting Limited · Officer Hardev Gill
Planning Application
Approved
2022-05-12
Single storey rear extension
73 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent Mr Reza Bitaraf Old Kings Arms · Officer Hoda Sadri
Planning Application
Approved
2019-07-04
Single storey rear extension
73 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent F J Thompson & Co Old Kings Arms · Officer Hoda Sadri
Planning Application
Refused
2018-11-13
Change of use from a 3-bed end of terrace dwelling to 1 x 1-bed and 1 x 2 bed self contained flats with associated parking and amenity space
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Jeff Gillett The Gillett Macleod Partnership · Officer Liz Arnold
Planning Application
Approved
2015-12-16
Conversion of two storey dwelling into 2 self contained flats
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Jeff Gillett · Officer Liz Arnold
Planning Application
Withdrawn
2015-08-27
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Jeff Gillett · Officer Liz Arnold
Planning Application
Approved
2015-02-13
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 3.2 metres, and for which the height of the eaves would be 2.7 metres
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Emmanouil Afendakis · Officer Liz Arnold
Planning Application
Approved
2014-11-24
Conversion of roof space to habitable use to include a rear dormer and 2 x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
45 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Approved
2025-04-16
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 2 front roof lights and new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
65 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent Mr vinay mistry · Officer Katherine Mills
Approved
2024-11-19
More
Planning Application
Erection of a single storey extension to the rear
65 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent Mr Vinay Mistry · Officer Katherine Mills
Approved
2024-11-18
More
Planning Application
Show all 10 rows
Erection of a single storey side and rear extension
61 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr neil stantiall Pario Consulting Limited · Officer Hardev Gill
Approved
2022-05-12
More
Planning Application
Single storey rear extension
73 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent Mr Reza Bitaraf Old Kings Arms · Officer Hoda Sadri
Approved
2019-07-04
More
Planning Application
Single storey rear extension
73 HILLIARD ROAD NORTHWOOD HA6 1SJ · premises record
Agent F J Thompson & Co Old Kings Arms · Officer Hoda Sadri
Refused
2018-11-13
More
Planning Application
Change of use from a 3-bed end of terrace dwelling to 1 x 1-bed and 1 x 2 bed self contained flats with associated parking and amenity space
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Jeff Gillett The Gillett Macleod Partnership · Officer Liz Arnold
Approved
2015-12-16
More
Planning Application
Conversion of two storey dwelling into 2 self contained flats
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Jeff Gillett · Officer Liz Arnold
Withdrawn
2015-08-27
More
Planning Application
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Mr Jeff Gillett · Officer Liz Arnold
Approved
2015-02-13
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 3.2 metres, and for which the height of the eaves would be 2.7 metres
51 HILLIARD ROAD NORTHWOOD · premises record
Agent Emmanouil Afendakis · Officer Liz Arnold
Approved
2014-11-24
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 19 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 19 of 19 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 19 of 19 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 13 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
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
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 precedent13 applications and 13 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 4, 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
The Developer PlanOwnership, 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.