Postcode record · Hillingdon
UB8 3BT.
UB8 3BT has 16 known premises and 12 planning records — 7 approved of 12 decided (58.3%). 10 EPC records.
Postcode UB8 3BT · boundary not held, centred on the postcodeApprovedRefusedOther12 on the map — every match
At a glance · this postcodeHillingdon profile →
16
Premises
known addresses (UPRNs)
12
Applications
12 decided
58.3%
Approval rate
7 approved · 5 refused
10
EPC records
ratings C 3 · D 6 · E 1
12
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?
UB8 3BT has 16 known premises and 12 planning records — 7 approved of 12 decided (58.3%). 10 EPC records.
Premises
Name
Details
UPRN 768010830
UPRN 768011223
UPRN 100021479654
UPRN 100021479655
UPRN 100021479656
UPRN 100021479657
UPRN 100021479658
UPRN 100021479659
UPRN 100021479660
UPRN 100021479661
UPRN 768010830
UPRN 768011223
UPRN 100021479654
Show all 10 rows
UPRN 100021479655
UPRN 100021479656
UPRN 100021479657
UPRN 100021479658
UPRN 100021479659
UPRN 100021479660
UPRN 100021479661
Planning
What happened?
12 planning applications across the postcode; 7 approved of 12 decided (58.3%). Latest 12 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of roof space to habitable use to include a 2x side dormers (Application for a Certificate of Lawful Development for a Proposed Development)
24 DAWLEY AVENUE HILLINGDON · premises record
Officer Analese Haynes
Planning Application
Approved
2025-06-18
Erection of a single storey side and rear extension, following demolition of existing rear extension.
24 DAWLEY AVENUE HILLINGDON · premises record
Officer Nicola Taplin
Planning Application
Approved
2025-06-16
Converting 3 bed single dwelling house into 2no. 2 bed self contained flats with double storey side extension , part double and part single storey rear extension
24 DAWLEY AVENUE HILLINGDON · premises record
Officer Rhian Thomas
Planning Application
Refused
2025-02-04
Conversion of roofspace to habitable use to include a rear dormer and 2 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
20 DAWLEY AVENUE HILLINGDON UB8 3BT · premises record
Officer Hoda Sadri
Planning Application
Approved
2019-02-25
Single storey detached outbuilding to rear (Retrospective).
21 DAWLEY AVENUE HILLINGDON · premises record
Officer Colin Blundel
Planning Application
Refused
2017-06-08
Planning Application
Approved
2016-05-10
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 2.6 metres
20 DAWLEY AVENUE HILLINGDON UB8 3BT · premises record
Officer Jazz Ghandial
Planning Application
Approved
2013-07-04
Planning Application
Approved
2012-05-17
Single storey side/rear extension and first floor side extension.
13 DAWLEY AVENUE HILLINGDON · premises record
Officer Alex Smith
Planning Application
Refused
2011-06-24
Planning Application
Refused
2008-07-25
Conversion of roof space to habitable use to include a 2x side dormers (Application for a Certificate of Lawful Development for a Proposed Development)
24 DAWLEY AVENUE HILLINGDON · premises record
Officer Analese Haynes
Approved
2025-06-18
More
Planning Application
Erection of a single storey side and rear extension, following demolition of existing rear extension.
24 DAWLEY AVENUE HILLINGDON · premises record
Officer Nicola Taplin
Approved
2025-06-16
More
Planning Application
Converting 3 bed single dwelling house into 2no. 2 bed self contained flats with double storey side extension , part double and part single storey rear extension
24 DAWLEY AVENUE HILLINGDON · premises record
Officer Rhian Thomas
Refused
2025-02-04
More
Planning Application
Show all 10 rows
Conversion of roofspace to habitable use to include a rear dormer and 2 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
20 DAWLEY AVENUE HILLINGDON UB8 3BT · premises record
Officer Hoda Sadri
Approved
2019-02-25
More
Planning Application
Single storey detached outbuilding to rear (Retrospective).
21 DAWLEY AVENUE HILLINGDON · premises record
Officer Colin Blundel
Refused
2017-06-08
More
Planning Application
Approved
2016-05-10
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 2.6 metres
20 DAWLEY AVENUE HILLINGDON UB8 3BT · premises record
Officer Jazz Ghandial
Approved
2013-07-04
More
Planning Application
Approved
2012-05-17
More
Planning Application
Single storey side/rear extension and first floor side extension.
13 DAWLEY AVENUE HILLINGDON · premises record
Officer Alex Smith
Refused
2011-06-24
More
Planning Application
Refused
2008-07-25
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 16 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 16 of 16 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 16 of 16 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 12 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 2 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
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 9 rows
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 precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 3, D: 6, E: 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
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.