Postcode record · Barnet
EN4 9AS.
EN4 9AS has 19 known premises and 14 planning records — 8 approved of 14 decided (57.1%). 12 EPC records.
Postcode EN4 9AS · boundary not held, centred on the postcodeApprovedRefusedOther14 exact14 on the map — every match
At a glance · this postcodeBarnet profile →
19
Premises
known addresses (UPRNs)
14
Applications
14 decided
57.1%
Approval rate
8 approved · 6 refused
12
EPC records
ratings C 4 · D 2 · E 4 · F 2
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 9AS has 19 known premises and 14 planning records — 8 approved of 14 decided (57.1%). 12 EPC records.
Premises (18 of 19 shown)
Name
Details
UPRN 200125114
UPRN 200125139
UPRN 200125141
UPRN 200125143
UPRN 200125144
UPRN 200125145
UPRN 200125147
UPRN 200125148
UPRN 200125149
UPRN 200125114
UPRN 200125139
UPRN 200125141
Show all 10 rows
UPRN 200125143
UPRN 200125144
UPRN 200125145
UPRN 200125147
UPRN 200125148
UPRN 200125149
Planning
What happened?
14 planning applications across the postcode; 8 approved of 14 decided (57.1%). Latest 14 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension following partial demolition of existing rear addition.
33 Westbrook Crescent Barnet EN4 9AS · premises record
Householder
Approved
2026-02-24
Roof extension involving rear dormer window and 3no. front facing rooflights
33 Westbrook Crescent Barnet EN4 9AS · premises record
—
Approved
2025-06-04
Single storey rear extension with a depth of 4.50 metres, maximum height of 2.80 metres and eaves height 2.80 metres.
33 Westbrook Crescent Barnet EN4 9AS · premises record
Prior Notification (Householder)
Refused
2025-06-04
Part single, part two storey rear extension
38 Westbrook Crescent Barnet EN4 9AS · premises record
Householder Application
Refused
2024-09-03
Single storey side extension. Roof extension involving hip to gable with rear dormer, 2no. front facing rooflights and side window
38 Westbrook Crescent Barnet EN4 9AS · premises record
Proposed Lawful Development Certificate
Approved
2024-09-03
Part single, part two storey rear extension with 2no. roof lanterns and 2no. rooflights. (AMENDED PLANS AND PROPOSAL)
33 Westbrook Crescent Barnet EN4 9AS · premises record
Householder Application
Refused
2024-08-05
Part single, part two storey side and rear extension following demolition of the existing store and shed. Roof extension involving hip to gable with rear dormer windows and 2no. rooflights
38 Westbrook Crescent Barnet EN4 9AS · premises record
Proposed Lawful Development Certificate
Refused
2024-07-10
Part single, part two storey front, side and rear extension following demolition of the existing store and shed. Roof extension involving rear dormer window
38 Westbrook Crescent Barnet EN4 9AS · premises record
Applicant Mr Inglian Hasani · Officer Rebecca Murunga
Householder Application
Refused
2024-05-07
Single storey rear extension. Roof extension including hip to gable with rear dormer window and 2no. rooflights to front roofslope
40 Westbrook Crescent Barnet EN4 9AS · premises record
Proposed Lawful Development Certificate
Approved
2018-05-15
Part single, part two-storey side and rear extension following demolition of existing garage
25 Westbrook Crescent Barnet EN4 9AS · premises record
Householder Application
Approved
2015-05-01
Single storey rear extension following partial demolition of existing rear addition.
33 Westbrook Crescent Barnet EN4 9AS · premises record
Approved
2026-02-24
More
Householder
Roof extension involving rear dormer window and 3no. front facing rooflights
33 Westbrook Crescent Barnet EN4 9AS · premises record
Approved
2025-06-04
More
—
Single storey rear extension with a depth of 4.50 metres, maximum height of 2.80 metres and eaves height 2.80 metres.
33 Westbrook Crescent Barnet EN4 9AS · premises record
Refused
2025-06-04
More
Prior Notification (Householder)
Show all 10 rows
Part single, part two storey rear extension
38 Westbrook Crescent Barnet EN4 9AS · premises record
Refused
2024-09-03
More
Householder Application
Single storey side extension. Roof extension involving hip to gable with rear dormer, 2no. front facing rooflights and side window
38 Westbrook Crescent Barnet EN4 9AS · premises record
Approved
2024-09-03
More
Proposed Lawful Development Certificate
Part single, part two storey rear extension with 2no. roof lanterns and 2no. rooflights. (AMENDED PLANS AND PROPOSAL)
33 Westbrook Crescent Barnet EN4 9AS · premises record
Refused
2024-08-05
More
Householder Application
Part single, part two storey side and rear extension following demolition of the existing store and shed. Roof extension involving hip to gable with rear dormer windows and 2no. rooflights
38 Westbrook Crescent Barnet EN4 9AS · premises record
Refused
2024-07-10
More
Proposed Lawful Development Certificate
Part single, part two storey front, side and rear extension following demolition of the existing store and shed. Roof extension involving rear dormer window
38 Westbrook Crescent Barnet EN4 9AS · premises record
Applicant Mr Inglian Hasani · Officer Rebecca Murunga
Refused
2024-05-07
More
Householder Application
Single storey rear extension. Roof extension including hip to gable with rear dormer window and 2no. rooflights to front roofslope
40 Westbrook Crescent Barnet EN4 9AS · premises record
Approved
2018-05-15
More
Proposed Lawful Development Certificate
Part single, part two-storey side and rear extension following demolition of existing garage
25 Westbrook Crescent Barnet EN4 9AS · premises record
Approved
2015-05-01
More
Householder 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 19 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 19 of 19 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 19 of 19 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 14 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Development
What could it become?
Planning precedent14 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 4, D: 2, E: 4, F: 2.
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.