Postcode record · Hillingdon
HA6 3NU.
HA6 3NU has 31 known premises and 44 planning records — 29 approved of 42 decided (69%). 20 EPC records.
Postcode HA6 3NU · boundary not held, centred on the postcodeApprovedRefusedOther44 exact44 on the map — every match
At a glance · this postcodeHillingdon profile →
31
Premises
known addresses (UPRNs)
44
Applications
42 decided
69%
Approval rate
29 approved · 13 refused
20
EPC records
ratings C 5 · D 11 · E 4
44
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 3NU has 31 known premises and 44 planning records — 29 approved of 42 decided (69%). 20 EPC records.
Premises (18 of 31 shown)
Name
Details
UPRN 100021443798
UPRN 100021443799
UPRN 100021443800
UPRN 100021443801
UPRN 100021443802
UPRN 100021443803
UPRN 100021443804
UPRN 100021443805
UPRN 100021443806
UPRN 100021443807
UPRN 100021443798
UPRN 100021443799
UPRN 100021443800
Show all 10 rows
UPRN 100021443801
UPRN 100021443802
UPRN 100021443803
UPRN 100021443804
UPRN 100021443805
UPRN 100021443806
UPRN 100021443807
Planning
What happened?
44 planning applications across the postcode; 29 approved of 42 decided (69%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey side extension, with alteration to the roof serving the existing single storey rear and side elements with the installation of crown style roof form.
15 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Agent The Planning Studio · Officer Sharon Singh
Planning Application
Approved
2026-03-23
TPO 37 T1 1x Oak to reduce height by 3m and lift 2.5m.
17 FOXFIELD CLOSE NORTHWOOD · premises record
Tree Works (TPO)
Approved
2025-10-03
TPO 37 T1 1x Oak to reduce height by 6 metres and lift 5 metres.
17 FOXFIELD CLOSE NORTHWOOD · premises record
Tree Works (TPO)
Refused
2025-08-05
Erection of a part single storey, part double storey rear extension and single storey side extension
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mrs Leena Shah · Officer Christos Chrysanthou
Planning Application
Approved
2023-02-02
Part single storey, part first floor rear extension; part single storey, part first floor side extension; and porch connecting garage
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mrs Leena Shah · Officer Christos Chrysanthou
Planning Application
Refused
2022-10-17
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony and 3 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development).
29 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Planning Application
Approved
2020-08-17
Single storey rear extension and conversion of roofspace to habitable use to include a rear dormer and 2 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
28 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Agent Mrs Tash Sehgal · Officer Liz Arnold
Planning Application
Approved
2020-07-13
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development).
28 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Agent Mrs Tash Sehgal Perceiving Designs Ltd. · Officer Liz Arnold
Planning Application
Refused
2020-04-27
Part single storey, part first floor rear extension, single storey side extension and porch to front
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mr John Prideaux · Officer Diane Verona
Planning Application
Approved
2019-11-01
Part two storey, part first floor side extension, first floor rear extension, single storey rear extensions and porch to front
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mr John Prideaux · Officer Hoda Sadri
Planning Application
Refused
2019-03-11
Erection of a single storey side extension, with alteration to the roof serving the existing single storey rear and side elements with the installation of crown style roof form.
15 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Agent The Planning Studio · Officer Sharon Singh
Approved
2026-03-23
More
Planning Application
TPO 37 T1 1x Oak to reduce height by 3m and lift 2.5m.
17 FOXFIELD CLOSE NORTHWOOD · premises record
Approved
2025-10-03
More
Tree Works (TPO)
TPO 37 T1 1x Oak to reduce height by 6 metres and lift 5 metres.
17 FOXFIELD CLOSE NORTHWOOD · premises record
Refused
2025-08-05
More
Tree Works (TPO)
Show all 10 rows
Erection of a part single storey, part double storey rear extension and single storey side extension
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mrs Leena Shah · Officer Christos Chrysanthou
Approved
2023-02-02
More
Planning Application
Part single storey, part first floor rear extension; part single storey, part first floor side extension; and porch connecting garage
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mrs Leena Shah · Officer Christos Chrysanthou
Refused
2022-10-17
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony and 3 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development).
29 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Approved
2020-08-17
More
Planning Application
Single storey rear extension and conversion of roofspace to habitable use to include a rear dormer and 2 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
28 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Agent Mrs Tash Sehgal · Officer Liz Arnold
Approved
2020-07-13
More
Planning Application
Single storey rear extension and conversion of roof space to habitable use to include a rear dormer and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development).
28 FOXFIELD CLOSE NORTHWOOD HA6 3NU · premises record
Agent Mrs Tash Sehgal Perceiving Designs Ltd. · Officer Liz Arnold
Refused
2020-04-27
More
Planning Application
Part single storey, part first floor rear extension, single storey side extension and porch to front
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mr John Prideaux · Officer Diane Verona
Approved
2019-11-01
More
Planning Application
Part two storey, part first floor side extension, first floor rear extension, single storey rear extensions and porch to front
23 FOXFIELD CLOSE NORTHWOOD · premises record
Agent Mr John Prideaux · Officer Hoda Sadri
Refused
2019-03-11
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 31 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 31 of 31 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 31 of 31 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 2 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 2 applications
Agent on 2 applications
Agent on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent44 applications and 44 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 5, D: 11, 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.
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.