Postcode record · Barnet
EN4 9AP.
EN4 9AP has 15 known premises and 7 planning records — 3 approved of 5 decided (60%). 10 EPC records.
Postcode EN4 9AP · boundary not held, centred on the postcodeApprovedRefusedOther7 exact7 approximate14 on the map — every match
At a glance · this postcodeBarnet profile →
15
Premises
known addresses (UPRNs)
7
Applications
5 decided
60%
Approval rate
3 approved · 1 refused
10
EPC records
ratings C 1 · D 9
14
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?
EN4 9AP has 15 known premises and 7 planning records — 3 approved of 5 decided (60%). 10 EPC records.
Premises
Name
Details
UPRN 200125115
UPRN 200125117
UPRN 200125121
UPRN 200125123
UPRN 200125125
UPRN 200125127
UPRN 200125129
UPRN 200125131
UPRN 200125133
UPRN 200125115
UPRN 200125117
Show all 10 rows
UPRN 200125121
UPRN 200125123
UPRN 200125125
UPRN 200125127
UPRN 200125129
UPRN 200125131
UPRN 200125133
Planning
What happened?
7 planning applications across the postcode; 3 approved of 5 decided (60%). Latest 7 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part single, part two storey rear extension. 1No side window
3 Westbrook Crescent Barnet EN4 9AP · premises record
Householder Application
Pending Consideration
2026-05-21
Roof extension involving rear dormer window and 2no. front facing rooflights
3 Westbrook Crescent Barnet EN4 9AP · premises record
Proposed Lawful Development Certificate
Unknown
2026-05-21
Single storey side and rear extension
3 Westbrook Crescent Barnet EN4 9AP · premises record
Applicant Mr Joseph Ajuwon · Agent The Loft Converter
Householder Application
Approved
2017-12-15
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 3 metres and maximum height of 4 metres
23 Westbrook Crescent Barnet EN4 9AP · premises record
Prior Notification (Householder)
Withdrawn
2014-11-17
Part single and part two storey side and rear extension with a pitched roof. New front porch.
23 Westbrook Crescent, Barnet, Herts, EN4 9AP · premises record
Householder Application
Approved
2014-02-19
Part single, part two storey side extension.
5 Westbrook Crescent Cockfosters Barnet Hertfordshire EN4 9AP · premises record
Applicant Mr. & Mrs. Hassan
Full Application
Approved
2002-08-01
Two storey side, front and rear extension.
5 Westbrook Crescent Cockfosters Barnet Hertfordshire EN4 9AP · premises record
Applicant Mr & Mrs Hassan
Full Application
Refused
2002-04-17
Part single, part two storey rear extension. 1No side window
3 Westbrook Crescent Barnet EN4 9AP · premises record
Pending Consideration
2026-05-21
More
Householder Application
Roof extension involving rear dormer window and 2no. front facing rooflights
3 Westbrook Crescent Barnet EN4 9AP · premises record
Unknown
2026-05-21
More
Proposed Lawful Development Certificate
Single storey side and rear extension
3 Westbrook Crescent Barnet EN4 9AP · premises record
Applicant Mr Joseph Ajuwon · Agent The Loft Converter
Approved
2017-12-15
More
Householder Application
Show all 7 rows
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 3 metres and maximum height of 4 metres
23 Westbrook Crescent Barnet EN4 9AP · premises record
Withdrawn
2014-11-17
More
Prior Notification (Householder)
Part single and part two storey side and rear extension with a pitched roof. New front porch.
23 Westbrook Crescent, Barnet, Herts, EN4 9AP · premises record
Approved
2014-02-19
More
Householder Application
Part single, part two storey side extension.
5 Westbrook Crescent Cockfosters Barnet Hertfordshire EN4 9AP · premises record
Applicant Mr. & Mrs. Hassan
Approved
2002-08-01
More
Full Application
Two storey side, front and rear extension.
5 Westbrook Crescent Cockfosters Barnet Hertfordshire EN4 9AP · premises record
Applicant Mr & Mrs Hassan
Refused
2002-04-17
More
Full Application
Building control
Building-control records are not yet collected for Barnet — 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 15 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 15 of 15 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 15 of 15 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 7 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent7 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 1, D: 9.
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?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.