Postcode record · Barnet
EN4 9JS.
EN4 9JS has 32 known premises and 50 planning records — 39 approved of 50 decided (78%). 17 EPC records.
Postcode EN4 9JS · boundary not held, centred on the postcodeApprovedRefusedOther50 exact50 on the map — every match
At a glance · this postcodeBarnet profile →
32
Premises
known addresses (UPRNs)
50
Applications
50 decided
78%
Approval rate
39 approved · 9 refused
17
EPC records
ratings C 1 · D 14 · E 1 · G 1
50
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 9JS has 32 known premises and 50 planning records — 39 approved of 50 decided (78%). 17 EPC records.
Premises (18 of 32 shown)
Name
Details
UPRN 200010251
UPRN 200010300
UPRN 200010302
UPRN 200010304
UPRN 200010306
UPRN 200010308
UPRN 200010310
UPRN 200010312
UPRN 200010314
UPRN 200010316
UPRN 200010251
UPRN 200010300
UPRN 200010302
Show all 10 rows
UPRN 200010304
UPRN 200010306
UPRN 200010308
UPRN 200010310
UPRN 200010312
UPRN 200010314
UPRN 200010316
Planning
What happened?
50 planning applications across the postcode; 39 approved of 50 decided (78%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with pitched roof, 2no. rooflights and alterations to patio area and access steps
57 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Approved
2025-12-01
Single storey rear extension with new patio area, boundary fence/screen and associated access steps to garden level. New front porch. Roof extension involving rear dormer window and 2no. front facing rooflights (AMENDED DESCRIPTION AND AMENDED PLANS)
65 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Approved
2025-11-12
Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no. front facing rooflights and new side gable windows. Removal of existing chimney stack
57 Belmont Avenue Barnet EN4 9JS · premises record
Proposed Lawful Development Certificate
Approved
2025-11-11
Single storey rear extension with a depth of 4.00 metres, a maximum height of 2.95 metres and and eaves height of 2.95 metres
65 Belmont Avenue Barnet EN4 9JS · premises record
Applicant Mr Kiri Eletheriou · Officer Tabitha Hannam
Prior Notification (Householder)
Refused
2025-05-28
Single storey side extension including changes to garage roof and rear elevation window openings. Conversion of the existing garage into habitable room, insertion of window to replace the garage door
63 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Approved
2025-03-07
Changes to the existing rear conservatory roof to a monopitch tiled roof (amended description)
71 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Approved
2023-06-23
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights and new side gable window
69 Belmont Avenue Barnet EN4 9JS · premises record
Proposed Lawful Development Certificate
Approved
2022-06-07
Part single part two storey side and rear extension. Roof extension involving rear dormer window and 3no front facing rooflights
63 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Refused
2021-09-24
Single storey rear extension, part single part two storey side extension. Conversion of garage into habitable space. Replacement of garage door with window [amended description]
101 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Approved
2021-02-22
Single storey side and rear extension with a new raised patio to rear and external stairs
53 Belmont Avenue Barnet EN4 9JS · premises record
Householder Application
Approved
2020-11-26
Single storey rear extension with pitched roof, 2no. rooflights and alterations to patio area and access steps
57 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2025-12-01
More
Householder Application
Single storey rear extension with new patio area, boundary fence/screen and associated access steps to garden level. New front porch. Roof extension involving rear dormer window and 2no. front facing rooflights (AMENDED DESCRIPTION AND AMENDED PLANS)
65 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2025-11-12
More
Householder Application
Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no. front facing rooflights and new side gable windows. Removal of existing chimney stack
57 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2025-11-11
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey rear extension with a depth of 4.00 metres, a maximum height of 2.95 metres and and eaves height of 2.95 metres
65 Belmont Avenue Barnet EN4 9JS · premises record
Applicant Mr Kiri Eletheriou · Officer Tabitha Hannam
Refused
2025-05-28
More
Prior Notification (Householder)
Single storey side extension including changes to garage roof and rear elevation window openings. Conversion of the existing garage into habitable room, insertion of window to replace the garage door
63 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2025-03-07
More
Householder Application
Changes to the existing rear conservatory roof to a monopitch tiled roof (amended description)
71 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2023-06-23
More
Householder Application
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights and new side gable window
69 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2022-06-07
More
Proposed Lawful Development Certificate
Part single part two storey side and rear extension. Roof extension involving rear dormer window and 3no front facing rooflights
63 Belmont Avenue Barnet EN4 9JS · premises record
Refused
2021-09-24
More
Householder Application
Single storey rear extension, part single part two storey side extension. Conversion of garage into habitable space. Replacement of garage door with window [amended description]
101 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2021-02-22
More
Householder Application
Single storey side and rear extension with a new raised patio to rear and external stairs
53 Belmont Avenue Barnet EN4 9JS · premises record
Approved
2020-11-26
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 32 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 32 of 32 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 32 of 32 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).
Heddon Road0 mBelmont Avenue0 mNorrys Road0 mEvelyn Road0 mFootpath From Mount Pleasant To Belmont Avenue2 mAshurst Road16 mMount Pleasant25 mChurch Way34 mNorrys Close36 mCarson Road60 m
People
Who is involved?
Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 2 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
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
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
Applicant on 1 application
Development
What could it become?
Planning precedent50 applications and 50 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 1, D: 14, E: 1, G: 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.
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.