Postcode record · Hillingdon
UB4 8NW.
UB4 8NW has 143 known premises and 25 planning records — 18 approved of 24 decided (75%). 38 EPC records.
Postcode UB4 8NW · boundary not held, centred on the postcodeApprovedRefusedOther25 on the map — every match
At a glance · this postcodeHillingdon profile →
143
Premises
known addresses (UPRNs)
25
Applications
24 decided
75%
Approval rate
18 approved · 6 refused
56 days
Median decision time
average 62 days · 25 dated decisions
38
EPC records
ratings C 12 · D 22 · E 4
25
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 8NW has 143 known premises and 25 planning records — 18 approved of 24 decided (75%). 38 EPC records.
Premises (18 of 143 shown)
Name
Details
UPRN 768010801
UPRN 10022797502
UPRN 10022797503
UPRN 10022797504
UPRN 10022797505
UPRN 10022797506
UPRN 10022797507
UPRN 10022797508
UPRN 10022797509
UPRN 10022797510
UPRN 768010801
UPRN 10022797502
UPRN 10022797503
Show all 10 rows
UPRN 10022797504
UPRN 10022797505
UPRN 10022797506
UPRN 10022797507
UPRN 10022797508
UPRN 10022797509
UPRN 10022797510
Planning
What happened?
25 planning applications across the postcode; 18 approved of 24 decided (75%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of outbuilding to rear garden, following the demolition of existing outbuilding
164 GROSVENOR AVENUE HAYES · premises record
Officer Analese Haynes
Planning Application
Approved
2025-04-16
Erection of a single storey rear extension
150 GROSVENOR AVENUE HAYES · premises record
Officer Daniel Ambrose
Planning Application
Approved
2025-02-03
Construction of a single-storey rear extension following demolition of conservatory.
150 GROSVENOR AVENUE HAYES · premises record
Officer Nicola Taplin
Planning Application
Refused
2024-12-12
Erection of a single storey extension to the rear, following the demolition of existing garage
152 GROSVENOR AVENUE HAYES · premises record
Officer Daniel Ambrose
Planning Application
Approved
2024-10-23
Conversion of roof space to habitable use to include the construction of a rear dormer with juliette balcony, installation of 2 front roof lights, and conversion of roof from hip to gable end with installation of gable end window (Application for a Certificate of Lawful Development for a Proposed De
150 GROSVENOR AVENUE HAYES · premises record
Officer Nicola Taplin
Planning Application
Approved
2024-09-21
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 2.95 metres.
150 GROSVENOR AVENUE HAYES · premises record
Officer Nicola Taplin
Planning Application
Approved
2024-09-16
Erection of an outbuilding. Demolition of existing detached garage and timber shed. (Application for a Certificate of Lawfulness for a proposed use or development)
160 GROSVENOR AVENUE HAYES · premises record
Officer Samuel Patten
Planning Application
Approved
2023-10-17
Erection of a two storey, 1 bed detached 'annexe'
189 GROSVENOR AVENUE HAYES UB4 8NW · premises record
Officer Rhian Thomas
Planning Application
Refused
2023-09-22
Erection of a part single storey, part double storey rear extension
156 GROSVENOR AVENUE HAYES · premises record
Officer Rebekah McCullough
Planning Application
Approved
2023-03-29
Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights 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) *AMENDED DESCRIPTION*
156 GROSVENOR AVENUE HAYES · premises record
Officer Rebekah McCullough
Planning Application
Approved
2023-03-22
Erection of outbuilding to rear garden, following the demolition of existing outbuilding
164 GROSVENOR AVENUE HAYES · premises record
Officer Analese Haynes
Approved
2025-04-16
More
Planning Application
Erection of a single storey rear extension
150 GROSVENOR AVENUE HAYES · premises record
Officer Daniel Ambrose
Approved
2025-02-03
More
Planning Application
Construction of a single-storey rear extension following demolition of conservatory.
150 GROSVENOR AVENUE HAYES · premises record
Officer Nicola Taplin
Refused
2024-12-12
More
Planning Application
Show all 10 rows
Erection of a single storey extension to the rear, following the demolition of existing garage
152 GROSVENOR AVENUE HAYES · premises record
Officer Daniel Ambrose
Approved
2024-10-23
More
Planning Application
Conversion of roof space to habitable use to include the construction of a rear dormer with juliette balcony, installation of 2 front roof lights, and conversion of roof from hip to gable end with installation of gable end window (Application for a Certificate of Lawful Development for a Proposed De
150 GROSVENOR AVENUE HAYES · premises record
Officer Nicola Taplin
Approved
2024-09-21
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 2.95 metres.
150 GROSVENOR AVENUE HAYES · premises record
Officer Nicola Taplin
Approved
2024-09-16
More
Planning Application
Erection of an outbuilding. Demolition of existing detached garage and timber shed. (Application for a Certificate of Lawfulness for a proposed use or development)
160 GROSVENOR AVENUE HAYES · premises record
Officer Samuel Patten
Approved
2023-10-17
More
Planning Application
Erection of a two storey, 1 bed detached 'annexe'
189 GROSVENOR AVENUE HAYES UB4 8NW · premises record
Officer Rhian Thomas
Refused
2023-09-22
More
Planning Application
Erection of a part single storey, part double storey rear extension
156 GROSVENOR AVENUE HAYES · premises record
Officer Rebekah McCullough
Approved
2023-03-29
More
Planning Application
Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights 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) *AMENDED DESCRIPTION*
156 GROSVENOR AVENUE HAYES · premises record
Officer Rebekah McCullough
Approved
2023-03-22
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 143 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Residential extensions · reference A8177 · covers 143 of 143 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Residential extensions · reference A8177 · covers 143 of 143 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 25 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
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 4 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy38 EPC records; ratings C: 12, D: 22, E: 4.
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.