Postcode record · Hillingdon
HA4 6SS.
HA4 6SS has 29 known premises and 26 planning records — 20 approved of 26 decided (76.9%). 21 EPC records.
Postcode HA4 6SS · boundary not held, centred on the postcodeApprovedRefusedOther26 exact1 approximate27 on the map — every match
At a glance · this postcodeHillingdon profile →
29
Premises
known addresses (UPRNs)
26
Applications
26 decided
76.9%
Approval rate
20 approved · 6 refused
21
EPC records
ratings B 1 · C 7 · D 11 · E 2
27
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 6SS has 29 known premises and 26 planning records — 20 approved of 26 decided (76.9%). 21 EPC records.
Premises (18 of 29 shown)
Name
Details
UPRN 10096324350
UPRN 10096324351
UPRN 10096324352
UPRN 10096324353
UPRN 10096324354
UPRN 10096324355
UPRN 100021465166
UPRN 100021465168
UPRN 100021465170
UPRN 100021465172
UPRN 10096324350
UPRN 10096324351
UPRN 10096324352
Show all 10 rows
UPRN 10096324353
UPRN 10096324354
UPRN 10096324355
UPRN 100021465166
UPRN 100021465168
UPRN 100021465170
UPRN 100021465172
Planning
What happened?
26 planning applications across the postcode; 20 approved of 26 decided (76.9%). Latest 26 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Non-material amendment to planning permission ref. 10390/APP/2025/831, dated 16-05-25 (erection of a single storey side/rear infill extension) to alter rear fenestrations
5 NORTHOLT AVENUE RUISLIP · premises record
Officer Sharon Singh
Planning Application
Approved
2025-06-16
Erection of a single storey side/rear infill extension.
5 NORTHOLT AVENUE RUISLIP · premises record
Officer Sharon Singh
Planning Application
Approved
2025-03-24
Erection of a single storey rear infill extension.
5 NORTHOLT AVENUE RUISLIP · premises record
Officer Sharon Singh
Planning Application
Approved
2024-12-16
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 new gable end window (Application for a Certificate of Lawful Development for an Existing Development)
21 NORTHOLT AVENUE RUISLIP MIDDLESEX · premises record
Officer Becky Smith
Planning Application
Approved
2024-10-23
Erection of a part single storey, part double storey extension to the rear
21 NORTHOLT AVENUE RUISLIP MIDDLESEX · premises record
Officer Katherine Mills
Planning Application
Approved
2024-02-06
Erection of single storey rear extension and side extensions
31 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Officer Emilie Bateman
Planning Application
Approved
2023-05-11
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).
31 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Officer Katherine Mills
Planning Application
Approved
2023-05-02
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights, conversion of roof from hip to gable end with new gable end window, single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
35 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Officer Zara Raza
Planning Application
Approved
2021-07-07
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights, conversion of roof from hip to gable end with new gable end window, single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
35 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Agent Mr James Rush · Officer Michael Briginshaw
Planning Application
Refused
2021-05-17
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 3.6 metres, and for which the maximum height of the eaves would be 2.7 metres
35 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Agent Mr James Rush · Officer Michael Briginshaw
Planning Application
Approved
2021-05-07
Non-material amendment to planning permission ref. 10390/APP/2025/831, dated 16-05-25 (erection of a single storey side/rear infill extension) to alter rear fenestrations
5 NORTHOLT AVENUE RUISLIP · premises record
Officer Sharon Singh
Approved
2025-06-16
More
Planning Application
Erection of a single storey side/rear infill extension.
5 NORTHOLT AVENUE RUISLIP · premises record
Officer Sharon Singh
Approved
2025-03-24
More
Planning Application
Erection of a single storey rear infill extension.
5 NORTHOLT AVENUE RUISLIP · premises record
Officer Sharon Singh
Approved
2024-12-16
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 new gable end window (Application for a Certificate of Lawful Development for an Existing Development)
21 NORTHOLT AVENUE RUISLIP MIDDLESEX · premises record
Officer Becky Smith
Approved
2024-10-23
More
Planning Application
Erection of a part single storey, part double storey extension to the rear
21 NORTHOLT AVENUE RUISLIP MIDDLESEX · premises record
Officer Katherine Mills
Approved
2024-02-06
More
Planning Application
Erection of single storey rear extension and side extensions
31 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Officer Emilie Bateman
Approved
2023-05-11
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).
31 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Officer Katherine Mills
Approved
2023-05-02
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights, conversion of roof from hip to gable end with new gable end window, single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
35 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Officer Zara Raza
Approved
2021-07-07
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights, conversion of roof from hip to gable end with new gable end window, single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
35 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Agent Mr James Rush · Officer Michael Briginshaw
Refused
2021-05-17
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 3.6 metres, and for which the maximum height of the eaves would be 2.7 metres
35 NORTHOLT AVENUE RUISLIP HA4 6SS · premises record
Agent Mr James Rush · Officer Michael Briginshaw
Approved
2021-05-07
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 29 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 29 of 29 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 29 of 29 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 26 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Agent on 2 applications
Agent on 1 application
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Agent on 2 applications
Agent on 1 application
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent26 applications and 27 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy21 EPC records; ratings B: 1, C: 7, D: 11, E: 2.
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.
2 intent signals recorded in this postcode
Price decline · HMO licensed
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.