Postcode record · Hillingdon
UB3 3AS.
UB3 3AS has 24 known premises and 31 planning records — 22 approved of 28 decided (78.6%). 11 EPC records.
Postcode UB3 3AS · boundary not held, centred on the postcodeApprovedRefusedOther36 exact36 on the map — every match
At a glance · this postcodeHillingdon profile →
24
Premises
known addresses (UPRNs)
31
Applications
28 decided
78.6%
Approval rate
22 approved · 6 refused
11
EPC records
ratings C 1 · D 8 · E 2
36
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 3AS has 24 known premises and 31 planning records — 22 approved of 28 decided (78.6%). 11 EPC records.
Premises (18 of 24 shown)
Name
Details
UPRN 10095325477
UPRN 100021425595
UPRN 100021425596
UPRN 100021425597
UPRN 100021425598
UPRN 100021425599
UPRN 100021425600
UPRN 100021425601
UPRN 100021425602
UPRN 100021425603
UPRN 10095325477
UPRN 100021425595
UPRN 100021425596
Show all 10 rows
UPRN 100021425597
UPRN 100021425598
UPRN 100021425599
UPRN 100021425600
UPRN 100021425601
UPRN 100021425602
UPRN 100021425603
Planning
What happened?
31 planning applications across the postcode; 22 approved of 28 decided (78.6%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey detached outbuilding to the rear of the property for use as a home office/gym.
37 HAMILTON ROAD HAYES UB3 3AS · premises record
Agent Miss Anureet Kaur · Officer Analese Haynes
Planning Application
Approved
2025-09-01
Erection of an outbuilding involving demolition of existing garage.
47 HAMILTON ROAD HAYES · premises record
Agent Mr R Dhingra · Officer Nicola Taplin
Planning Application
Approved
2025-05-09
Erection of an outbuilding involving demolition of existing outbuilding
45 HAMILTON ROAD HAYES MIDDLESEX UB3 3AS · premises record
Agent Mr R Dhingra · Officer Rhian Thomas
Planning Application
Approved
2025-03-18
Erection of a part single storey, part two storey extension to the side and rear, erection of front porch, following the demolition of side garage
33 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mrs Cecilia Lubbock · Officer Daniel Ambrose
Planning Application
Approved
2024-12-20
Details pursuant to the discharge of Conditions 3 (Sustainable water management scheme), 4 (Step free access), 5 (materials), 6 (Electric Vehicle Charging), and 7 (side facing window) of appeal decision ref. APP/R5510/W/22/3299521, dated 26-08-2022 (planning permission ref. 53075/APP/2021/4332, date
34 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Michael Oakes · Officer Haydon Richardson
Planning Application
Approved
2023-08-15
Erection of a single storey rear outbuilding following demolition of existing outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Rhian Thomas
Planning Application
Approved
2022-11-14
Conversion of roofspace to habitable use to include side dormer extensions and removal of chimney (Application for a Certificate of Lawful Development for a Proposed Development)
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Rhian Thomas
Planning Application
Approved
2022-08-11
Erection of a single storey side/rear extension following demolition of garage. Relocation of side door to front. Alterations to front bay window and fenestration
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Emilie Bateman
Planning Application
Approved
2022-08-10
Erection of a single storey side and rear extension following demolition of existing garage/outbuilding. Alterations to front ground floor windows, and erection of 2 x side dormer extensions
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Nicola Taplin
Planning Application
Refused
2022-04-04
Demolition of the existing 2-bedroom bungalow, and replacement with a 4-bedroom, two storey detached house, built to the existing building line; retention of the existing rear and front gardens.
34 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Michael Oakes · Officer Haydon Richardson
Planning Application
Refused
2021-11-25
Erection of a single storey detached outbuilding to the rear of the property for use as a home office/gym.
37 HAMILTON ROAD HAYES UB3 3AS · premises record
Agent Miss Anureet Kaur · Officer Analese Haynes
Approved
2025-09-01
More
Planning Application
Erection of an outbuilding involving demolition of existing garage.
47 HAMILTON ROAD HAYES · premises record
Agent Mr R Dhingra · Officer Nicola Taplin
Approved
2025-05-09
More
Planning Application
Erection of an outbuilding involving demolition of existing outbuilding
45 HAMILTON ROAD HAYES MIDDLESEX UB3 3AS · premises record
Agent Mr R Dhingra · Officer Rhian Thomas
Approved
2025-03-18
More
Planning Application
Show all 10 rows
Erection of a part single storey, part two storey extension to the side and rear, erection of front porch, following the demolition of side garage
33 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mrs Cecilia Lubbock · Officer Daniel Ambrose
Approved
2024-12-20
More
Planning Application
Details pursuant to the discharge of Conditions 3 (Sustainable water management scheme), 4 (Step free access), 5 (materials), 6 (Electric Vehicle Charging), and 7 (side facing window) of appeal decision ref. APP/R5510/W/22/3299521, dated 26-08-2022 (planning permission ref. 53075/APP/2021/4332, date
34 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Michael Oakes · Officer Haydon Richardson
Approved
2023-08-15
More
Planning Application
Erection of a single storey rear outbuilding following demolition of existing outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Rhian Thomas
Approved
2022-11-14
More
Planning Application
Conversion of roofspace to habitable use to include side dormer extensions and removal of chimney (Application for a Certificate of Lawful Development for a Proposed Development)
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Rhian Thomas
Approved
2022-08-11
More
Planning Application
Erection of a single storey side/rear extension following demolition of garage. Relocation of side door to front. Alterations to front bay window and fenestration
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Emilie Bateman
Approved
2022-08-10
More
Planning Application
Erection of a single storey side and rear extension following demolition of existing garage/outbuilding. Alterations to front ground floor windows, and erection of 2 x side dormer extensions
31 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Anthony Okoluko · Officer Nicola Taplin
Refused
2022-04-04
More
Planning Application
Demolition of the existing 2-bedroom bungalow, and replacement with a 4-bedroom, two storey detached house, built to the existing building line; retention of the existing rear and front gardens.
34 HAMILTON ROAD COWLEY UXBRIDGE · premises record
Agent Mr Michael Oakes · Officer Haydon Richardson
Refused
2021-11-25
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 24 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 24 of 24 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 24 of 24 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 4 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 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 2 applications
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 precedent31 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 1, D: 8, 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.
Thinking about a project here?
How long would a planning application take here? →
Hillingdon's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Hillingdon, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.