Postcode record · Hillingdon
UB4 8NB.
UB4 8NB has 25 known premises and 24 planning records — 17 approved of 23 decided (73.9%). 14 EPC records.
Postcode UB4 8NB · boundary not held, centred on the postcodeApprovedRefusedOther24 on the map — every match
At a glance · this postcodeHillingdon profile →
25
Premises
known addresses (UPRNs)
24
Applications
23 decided
73.9%
Approval rate
17 approved · 6 refused
53 days
Median decision time
average 54 days · 24 dated decisions
14
EPC records
ratings C 3 · D 11
24
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 8NB has 25 known premises and 24 planning records — 17 approved of 23 decided (73.9%). 14 EPC records.
Premises (18 of 25 shown)
Name
Details
UPRN 10090330155
UPRN 100021414120
UPRN 100021414122
UPRN 100021414124
UPRN 100021414126
UPRN 100021414128
UPRN 100021414130
UPRN 100021414131
UPRN 100021414132
UPRN 100021414133
UPRN 10090330155
UPRN 100021414120
UPRN 100021414122
Show all 10 rows
UPRN 100021414124
UPRN 100021414126
UPRN 100021414128
UPRN 100021414130
UPRN 100021414131
UPRN 100021414132
UPRN 100021414133
Planning
What happened?
24 planning applications across the postcode; 17 approved of 23 decided (73.9%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey extension to the rear, erection of outbuilding, following the demolition of existing outbuilding
71 ADELPHI CRESCENT HAYES · premises record
Officer Rhian Thomas
Planning Application
Approved
2025-08-25
Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window and x 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
85 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer Eloise Hawkes
Planning Application
Approved
2025-08-20
Erection of a single storey extension to the side and rear.
85 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer Nicola Taplin
Planning Application
Approved
2025-06-09
Construction of a single-storey rear conservatory extension
83 ADELPHI CRESCENT HAYES · premises record
Officer Nicola Taplin
Planning Application
Approved
2024-11-18
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 3 metres, and for which the height of the eaves would be 2.85 metres
68 ADELPHI CRESCENT HAYES · premises record
Officer Zara Raza
Planning Application
Approved
2021-10-15
Conversion of roof space to habitable use to include a rear dormer,1 front roof light and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
68 ADELPHI CRESCENT HAYES · premises record
Officer Analese Haynes
Planning Application
Approved
2021-10-15
Single storey front extension, alterations to side elevation and installation of access ramp
66 ADELPHI CRESCENT HAYES · premises record
Officer Nurgul Kinli
Planning Application
Refused
2018-10-11
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 2.85 metres, and for which the height of the eaves would be 2.55 metres
52 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer John Asiamah
Planning Application
Approved
2017-08-10
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
52 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer John Asiamah
Planning Application
Approved
2017-03-30
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 a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
58 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer Karen Mckernan
Planning Application
Approved
2015-03-20
Erection of a single storey extension to the rear, erection of outbuilding, following the demolition of existing outbuilding
71 ADELPHI CRESCENT HAYES · premises record
Officer Rhian Thomas
Approved
2025-08-25
More
Planning Application
Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window and x 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
85 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer Eloise Hawkes
Approved
2025-08-20
More
Planning Application
Erection of a single storey extension to the side and rear.
85 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer Nicola Taplin
Approved
2025-06-09
More
Planning Application
Show all 10 rows
Construction of a single-storey rear conservatory extension
83 ADELPHI CRESCENT HAYES · premises record
Officer Nicola Taplin
Approved
2024-11-18
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 3 metres, and for which the height of the eaves would be 2.85 metres
68 ADELPHI CRESCENT HAYES · premises record
Officer Zara Raza
Approved
2021-10-15
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer,1 front roof light and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
68 ADELPHI CRESCENT HAYES · premises record
Officer Analese Haynes
Approved
2021-10-15
More
Planning Application
Single storey front extension, alterations to side elevation and installation of access ramp
66 ADELPHI CRESCENT HAYES · premises record
Officer Nurgul Kinli
Refused
2018-10-11
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 2.85 metres, and for which the height of the eaves would be 2.55 metres
52 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer John Asiamah
Approved
2017-08-10
More
Planning Application
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
52 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer John Asiamah
Approved
2017-03-30
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 a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
58 ADELPHI CRESCENT HAYES UB4 8NB · premises record
Officer Karen Mckernan
Approved
2015-03-20
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 25 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 25 of 25 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 25 of 25 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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 7 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 1 application
Case officer on 7 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 10 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
Case officer on 1 application
Development
What could it become?
Planning precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings C: 3, D: 11.
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.