Postcode record · Hillingdon
UB3 3HH.
UB3 3HH has 22 known premises and 34 planning records — 22 approved of 27 decided (81.5%). 12 EPC records.
Postcode UB3 3HH · boundary not held, centred on the postcodeApprovedRefusedOther34 exact34 on the map — every match
At a glance · this postcodeHillingdon profile →
22
Premises
known addresses (UPRNs)
34
Applications
27 decided
81.5%
Approval rate
22 approved · 5 refused
12
EPC records
ratings D 6 · E 5 · G 1
34
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 3HH has 22 known premises and 34 planning records — 22 approved of 27 decided (81.5%). 12 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 10090328923
UPRN 100021420430
UPRN 100021420432
UPRN 100021420434
UPRN 100021420436
UPRN 100021420438
UPRN 100021420440
UPRN 100021420442
UPRN 100021420444
UPRN 100021420446
UPRN 10090328923
UPRN 100021420430
UPRN 100021420432
Show all 10 rows
UPRN 100021420434
UPRN 100021420436
UPRN 100021420438
UPRN 100021420440
UPRN 100021420442
UPRN 100021420444
UPRN 100021420446
Planning
What happened?
34 planning applications across the postcode; 22 approved of 27 decided (81.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
248 COLDHARBOUR LANE HAYES · premises record
Agent Mr Faluck Patel · Officer Eloise Hawkes
Planning Application
Approved
2026-03-06
Erection of part single storey, part double storey rear extension, following the demolition of the existing rear extension.
248 COLDHARBOUR LANE HAYES · premises record
Agent Faluck Patel · Officer Rhian Thomas
Planning Application
Approved
2026-03-06
Erection of a part single storey, part two storey rear extension.
232 COLDHARBOUR LANE HAYES · premises record
Agent Mrs Samneet Samrai · Officer Analese Haynes
Planning Application
Approved
2025-07-08
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 3.20 metres, and for which the height of the eaves would be 3.00 metres.
232 COLDHARBOUR LANE HAYES · premises record
Agent Mrs Samneet Samrai · Officer Analese Haynes
Planning Application
Approved
2025-05-01
Conversion to roof space to habitable use to include a rear dormer, 2 x front roof lights, conversion of roof from hip to gable end with a new gable end window, conversion of integral garage to habitable accommodation (Application for a Certificate of Lawful Development for a Proposed Development).
232 COLDHARBOUR LANE HAYES UB3 3HH · premises record
Agent Mrs Samneet Samrai · Officer Analese Haynes
Planning Application
Approved
2025-04-30
Erection of a single storey rear extension.
244 COLDHARBOUR LANE HAYES · premises record
Agent Mr Hammad Khan · Officer Nicola Taplin
Planning Application
Approved
2025-03-27
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 3.00 metres, and for which the height of the eaves would be 2.85 metres
256 COLDHARBOUR LANE HAYES · premises record
Agent MR DAustin · Officer Becky Smith
Planning Application
Approved
2023-07-04
Part two storey, part single storey rear extension.
238 COLDHARBOUR LANE HAYES · premises record
Agent Mr PRASHANT PATEL · Officer Nicola Taplin
Planning Application
Withdrawn
2018-12-29
Single storey outbuilding to rear for use as a gym (Application for a Certificate of Lawful Development for a Proposed Development).
238 COLDHARBOUR LANE HAYES · premises record
Agent Mr PRASHANT PATEL · Officer Nicola Taplin
Planning Application
Withdrawn
2018-12-29
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 2.95 metres, and for which the height of the eaves would be 2.95 metres
258 COLDHARBOUR LANE HAYES · premises record
Agent Mr Sunny Bahia · Officer Naim Poptani
Planning Application
Approved
2018-12-14
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
248 COLDHARBOUR LANE HAYES · premises record
Agent Mr Faluck Patel · Officer Eloise Hawkes
Approved
2026-03-06
More
Planning Application
Erection of part single storey, part double storey rear extension, following the demolition of the existing rear extension.
248 COLDHARBOUR LANE HAYES · premises record
Agent Faluck Patel · Officer Rhian Thomas
Approved
2026-03-06
More
Planning Application
Erection of a part single storey, part two storey rear extension.
232 COLDHARBOUR LANE HAYES · premises record
Agent Mrs Samneet Samrai · Officer Analese Haynes
Approved
2025-07-08
More
Planning Application
Show all 10 rows
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 3.20 metres, and for which the height of the eaves would be 3.00 metres.
232 COLDHARBOUR LANE HAYES · premises record
Agent Mrs Samneet Samrai · Officer Analese Haynes
Approved
2025-05-01
More
Planning Application
Conversion to roof space to habitable use to include a rear dormer, 2 x front roof lights, conversion of roof from hip to gable end with a new gable end window, conversion of integral garage to habitable accommodation (Application for a Certificate of Lawful Development for a Proposed Development).
232 COLDHARBOUR LANE HAYES UB3 3HH · premises record
Agent Mrs Samneet Samrai · Officer Analese Haynes
Approved
2025-04-30
More
Planning Application
Erection of a single storey rear extension.
244 COLDHARBOUR LANE HAYES · premises record
Agent Mr Hammad Khan · Officer Nicola Taplin
Approved
2025-03-27
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 3.00 metres, and for which the height of the eaves would be 2.85 metres
256 COLDHARBOUR LANE HAYES · premises record
Agent MR DAustin · Officer Becky Smith
Approved
2023-07-04
More
Planning Application
Part two storey, part single storey rear extension.
238 COLDHARBOUR LANE HAYES · premises record
Agent Mr PRASHANT PATEL · Officer Nicola Taplin
Withdrawn
2018-12-29
More
Planning Application
Single storey outbuilding to rear for use as a gym (Application for a Certificate of Lawful Development for a Proposed Development).
238 COLDHARBOUR LANE HAYES · premises record
Agent Mr PRASHANT PATEL · Officer Nicola Taplin
Withdrawn
2018-12-29
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 2.95 metres, and for which the height of the eaves would be 2.95 metres
258 COLDHARBOUR LANE HAYES · premises record
Agent Mr Sunny Bahia · Officer Naim Poptani
Approved
2018-12-14
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 22 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 22 of 22 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 22 of 22 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 3 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 3 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 precedent34 applications and 34 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings D: 6, E: 5, G: 1.
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.