Postcode record · Barnet
EN4 9NG.
EN4 9NG has 41 known premises and 57 planning records — 39 approved of 56 decided (69.6%). 20 EPC records.
Postcode EN4 9NG · boundary not held, centred on the postcodeApprovedRefusedOther57 exact3 approximate60 on the map — every match
At a glance · this postcodeBarnet profile →
41
Premises
known addresses (UPRNs)
57
Applications
56 decided
69.6%
Approval rate
39 approved · 13 refused
20
EPC records
ratings C 1 · D 14 · E 4 · F 1
60
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 9NG has 41 known premises and 57 planning records — 39 approved of 56 decided (69.6%). 20 EPC records.
Premises (18 of 41 shown)
Name
Details
UPRN 200058402
UPRN 200058403
UPRN 200058404
UPRN 200058405
UPRN 200058406
UPRN 200058407
UPRN 200058408
UPRN 200058409
UPRN 200058410
UPRN 200058411
UPRN 200058402
UPRN 200058403
UPRN 200058404
Show all 10 rows
UPRN 200058405
UPRN 200058406
UPRN 200058407
UPRN 200058408
UPRN 200058409
UPRN 200058410
UPRN 200058411
Planning
What happened?
57 planning applications across the postcode; 39 approved of 56 decided (69.6%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Pending Consideration
2026-04-17
Roof extension involving rear dormer window with juliette balcony, 1no front facing rooflight and new side gable window with retention of existing side pitched roof
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Approved
2026-02-17
Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Refused
2026-02-12
Removal of chimney on rear elevation and removal of pitched roof above existing two storey side extension (Phase 1) Roof extension involving hip to gable, rear dormer window with juliette balcony, 1no. front facing rooflight and side gable window (Phase 2 to commence when phase 1 completed) (AMENDED)
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Proposed Lawful Development Certificate
Approved
2026-01-14
Single storey rear extension
58 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Approved
2024-11-07
Single storey side and rear extension including conversion of garage to a habitable room
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Approved
2022-10-18
Erection of a rear outbuilding
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Proposed Lawful Development Certificate
Refused
2022-10-10
Part single, part two storey side and rear extension including conversion of the garage into habitable room
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Refused
2022-08-18
Erection of a rear outbuilding
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Householder Application
Approved
2022-08-18
Roof extension involving hip to gable, rear dormer and 2no. front facing rooflights
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Proposed Lawful Development Certificate
Approved
2022-08-18
Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Pending Consideration
2026-04-17
More
Householder Application
Roof extension involving rear dormer window with juliette balcony, 1no front facing rooflight and new side gable window with retention of existing side pitched roof
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Approved
2026-02-17
More
Householder Application
Lower ground and ground floor rear extension including formation of rear balcony with privacy screens and underneath storage and associated access steps to garden level
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Refused
2026-02-12
More
Householder Application
Show all 10 rows
Removal of chimney on rear elevation and removal of pitched roof above existing two storey side extension (Phase 1) Roof extension involving hip to gable, rear dormer window with juliette balcony, 1no. front facing rooflight and side gable window (Phase 2 to commence when phase 1 completed) (AMENDED)
49 Heddon Court Avenue Barnet EN4 9NG · premises record
Approved
2026-01-14
More
Proposed Lawful Development Certificate
Single storey rear extension
58 Heddon Court Avenue Barnet EN4 9NG · premises record
Approved
2024-11-07
More
Householder Application
Single storey side and rear extension including conversion of garage to a habitable room
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Approved
2022-10-18
More
Householder Application
Erection of a rear outbuilding
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Refused
2022-10-10
More
Proposed Lawful Development Certificate
Part single, part two storey side and rear extension including conversion of the garage into habitable room
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Refused
2022-08-18
More
Householder Application
Erection of a rear outbuilding
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Approved
2022-08-18
More
Householder Application
Roof extension involving hip to gable, rear dormer and 2no. front facing rooflights
84 Heddon Court Avenue Barnet EN4 9NG · premises record
Approved
2022-08-18
More
Proposed Lawful Development Certificate
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 41 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 41 of 41 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 41 of 41 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).
Cat Hill0 mHeddon Court Avenue0 mFootpath From Ashurst Road To Heddon Court Avenue1 mFootpath From Heddon Court Avenue To Rear Of No46 Borough Boundary3 mDaneland11 mAshurst Road39 mHeddon Road41 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 5 applications
Applicant on 4 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 4 applications
Agent on 1 application
Agent on 1 application
Applicant on 5 applications
Applicant on 4 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 4 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent57 applications and 60 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 1, D: 14, E: 4, F: 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.