Postcode record · Hillingdon
UB3 5HY.
UB3 5HY has 35 known premises and 47 planning records — 26 approved of 41 decided (63.4%). 21 EPC records.
Postcode UB3 5HY · boundary not held, centred on the postcodeApprovedRefusedOther47 on the map — every match
At a glance · this postcodeHillingdon profile →
35
Premises
known addresses (UPRNs)
47
Applications
41 decided
63.4%
Approval rate
26 approved · 15 refused
21
EPC records
ratings B 2 · C 19
47
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?
UB3 5HY has 35 known premises and 47 planning records — 26 approved of 41 decided (63.4%). 21 EPC records.
Premises (18 of 35 shown)
Name
Details
UPRN 10022799754
UPRN 10022799755
UPRN 10022799756
UPRN 10022799757
UPRN 10022799758
UPRN 10022799759
UPRN 10022799760
UPRN 10022799761
UPRN 10022799762
UPRN 10022799763
UPRN 10022799754
UPRN 10022799755
UPRN 10022799756
Show all 10 rows
UPRN 10022799757
UPRN 10022799758
UPRN 10022799759
UPRN 10022799760
UPRN 10022799761
UPRN 10022799762
UPRN 10022799763
Planning
What happened?
47 planning applications across the postcode; 26 approved of 41 decided (63.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Change of use of the existing outbuilding to use as a separate residential unit (granny annexe).
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Mike Kemp
Planning Application
Refused
2025-02-12
Change of use of existing outbuilding from storage/gym to residential annexe, including accessibility works to main dwellinghouse and outbuilding.
34 OXFORD AVENUE HAYES UB3 5HY · premises record
Officer Nicola Taplin
Planning Application
Refused
2024-12-05
Erection of an outbuilding to the rear garden
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Katherine Mills
Planning Application
Approved
2024-01-19
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Samuel Patten
Planning Application
Refused
2023-10-07
Erection of a single storey extension to the side and rear.
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Christos Chrysanthou
Planning Application
Approved
2023-03-10
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 and erection of a porch (Application for a Certificate of Lawful Development for a Proposed Development)
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Rhian Thomas
Planning Application
Approved
2022-12-28
Erection of a single storey rear extension
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Hardev Gill
Planning Application
Approved
2022-12-28
First floor side/rear extension and proposed conversion from a single dwelling into an 8 person House in Multiple Occupation (HMO).
26 OXFORD AVENUE HARLINGTON · premises record
Officer Nicola Taplin
Planning Application
Approved
2020-09-07
Variation of condition 2 (Approved Plans) of planning permission Ref: 5248/APP/2019/2832 dated 03/12/2019 (First floor side/rear extension) to allow for minor material amendments
26 OXFORD AVENUE HARLINGTON · premises record
Officer Nicola Taplin
Planning Application
Refused
2020-07-22
Planning Application
Approved
2019-08-26
Change of use of the existing outbuilding to use as a separate residential unit (granny annexe).
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Mike Kemp
Refused
2025-02-12
More
Planning Application
Change of use of existing outbuilding from storage/gym to residential annexe, including accessibility works to main dwellinghouse and outbuilding.
34 OXFORD AVENUE HAYES UB3 5HY · premises record
Officer Nicola Taplin
Refused
2024-12-05
More
Planning Application
Erection of an outbuilding to the rear garden
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Katherine Mills
Approved
2024-01-19
More
Planning Application
Show all 10 rows
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Samuel Patten
Refused
2023-10-07
More
Planning Application
Erection of a single storey extension to the side and rear.
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Christos Chrysanthou
Approved
2023-03-10
More
Planning Application
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 and erection of a porch (Application for a Certificate of Lawful Development for a Proposed Development)
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Rhian Thomas
Approved
2022-12-28
More
Planning Application
Erection of a single storey rear extension
34 OXFORD AVENUE HARLINGTON HAYES UB3 5HY · premises record
Officer Hardev Gill
Approved
2022-12-28
More
Planning Application
First floor side/rear extension and proposed conversion from a single dwelling into an 8 person House in Multiple Occupation (HMO).
26 OXFORD AVENUE HARLINGTON · premises record
Officer Nicola Taplin
Approved
2020-09-07
More
Planning Application
Variation of condition 2 (Approved Plans) of planning permission Ref: 5248/APP/2019/2832 dated 03/12/2019 (First floor side/rear extension) to allow for minor material amendments
26 OXFORD AVENUE HARLINGTON · premises record
Officer Nicola Taplin
Refused
2020-07-22
More
Planning Application
Approved
2019-08-26
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 35 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
There is considerable archaeological evidence for this area due to the extensive excavations that have taken place in relation to Heathrow Terminal 5 and mineral extraction. This APZ also includes the APAs of Harmondsworth, Harlington, West Bedfont and S · reference 77820 · covers 35 of 35 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
There is considerable archaeological evidence for this area due to the extensive excavations that have taken place in relation to Heathrow Terminal 5 and mineral extraction. This APZ also includes the APAs of Harmondsworth, Harlington, West Bedfont and S · reference 77820 · covers 35 of 35 premises. Groundworks may require archaeological assessment or investigation.
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
Case officer on 7 applications
Case officer on 6 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 7 applications
Case officer on 6 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent47 applications and 47 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy21 EPC records; ratings B: 2, C: 19.
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.
4 intent signals recorded in this postcode
Portfolio seller · Appeal dismissed · 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.