Postcode record · Hillingdon
UB4 9QS.
UB4 9QS has 45 known premises and 9 planning records — 5 approved of 9 decided (55.6%). 36 EPC records.
Postcode UB4 9QS · boundary not held, centred on the postcodeApprovedRefusedOther10 on the map — every match
At a glance · this postcodeHillingdon profile →
45
Premises
known addresses (UPRNs)
9
Applications
9 decided
55.6%
Approval rate
5 approved · 4 refused
56 days
Median decision time
average 53 days · 9 dated decisions
36
EPC records
ratings B 1 · C 20 · D 11 · E 4
10
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?
UB4 9QS has 45 known premises and 9 planning records — 5 approved of 9 decided (55.6%). 36 EPC records.
Premises (18 of 45 shown)
Name
Details
UPRN 768011624
UPRN 100021426166
UPRN 100021426167
UPRN 100021426168
UPRN 100021426169
UPRN 100021426170
UPRN 100021426171
UPRN 100021426172
UPRN 100021426173
UPRN 100021426174
UPRN 768011624
UPRN 100021426166
UPRN 100021426167
Show all 10 rows
UPRN 100021426168
UPRN 100021426169
UPRN 100021426170
UPRN 100021426171
UPRN 100021426172
UPRN 100021426173
UPRN 100021426174
Planning
What happened?
9 planning applications across the postcode; 5 approved of 9 decided (55.6%). Latest 9 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey rear extension
17 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Approved
2025-05-20
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.80 metres, and for which the height of the eaves would be 2.65 metres
17 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Refused
2025-03-20
Move location of present boundary wall
1 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Zara Raza
Planning Application
Approved
2022-02-07
Conversion of roofspace to habitable use to include 1 rear dormer and 1 front dormer
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Approved
2015-01-29
Conversion of roofspace to habitable use to include 1 rear dormer and 1 front dormer
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Refused
2014-11-14
Single storey rear extension and enclosure of porch to front under existing roof
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Approved
2014-11-14
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 2.9 metres, and for which the height of the eaves would be 2.9 metres
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Refused
2014-08-29
Conversion of roof space to habitable use to include a front and rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Refused
2014-08-29
Porch to front involving part demolition of existing porch.
9 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Planning Application
Approved
2013-02-04
Erection of a single storey rear extension
17 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Approved
2025-05-20
More
Planning Application
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.80 metres, and for which the height of the eaves would be 2.65 metres
17 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Refused
2025-03-20
More
Planning Application
Move location of present boundary wall
1 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Zara Raza
Approved
2022-02-07
More
Planning Application
Show all 9 rows
Conversion of roofspace to habitable use to include 1 rear dormer and 1 front dormer
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Approved
2015-01-29
More
Planning Application
Conversion of roofspace to habitable use to include 1 rear dormer and 1 front dormer
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Refused
2014-11-14
More
Planning Application
Single storey rear extension and enclosure of porch to front under existing roof
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Approved
2014-11-14
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 2.9 metres, and for which the height of the eaves would be 2.9 metres
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Refused
2014-08-29
More
Planning Application
Conversion of roof space to habitable use to include a front and rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
40 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Refused
2014-08-29
More
Planning Application
Porch to front involving part demolition of existing porch.
9 HELMSDALE CLOSE HAYES UB4 9QS · premises record
Officer Nicola Taplin
Approved
2013-02-04
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 45 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 45 of 45 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 45 of 45 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 9 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 8 applications
Case officer on 1 application
Case officer on 8 applications
Case officer on 1 application
Development
What could it become?
Planning precedent9 applications and 10 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy36 EPC records; ratings B: 1, C: 20, 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
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.
10 intent signals recorded in this postcode
Repeat sale · Price decline · Long hold
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.