Postcode record · Barnet
N3 1JN.
N3 1JN has 22 known premises and 30 planning records — 17 approved of 29 decided (58.6%). 15 EPC records.
Postcode N3 1JN · boundary not held, centred on the postcodeApprovedRefusedOther30 on the map — every match
At a glance · this postcodeBarnet profile →
22
Premises
known addresses (UPRNs)
30
Applications
29 decided
58.6%
Approval rate
17 approved · 9 refused
15
EPC records
ratings C 2 · D 5 · E 6 · F 2
30
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?
N3 1JN has 22 known premises and 30 planning records — 17 approved of 29 decided (58.6%). 15 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 200084708
UPRN 200084709
UPRN 200084710
UPRN 200084711
UPRN 200084712
UPRN 200084713
UPRN 200084714
UPRN 200084715
UPRN 200084716
UPRN 200084717
UPRN 200084708
UPRN 200084709
UPRN 200084710
Show all 10 rows
UPRN 200084711
UPRN 200084712
UPRN 200084713
UPRN 200084714
UPRN 200084715
UPRN 200084716
UPRN 200084717
Planning
What happened?
30 planning applications across the postcode; 17 approved of 29 decided (58.6%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a rear outbuilding with patio area following demolition of the existing outbuilding
345 Nether Street London N3 1JN · premises record
Officer Lottie Burden
Proposed Lawful Development Certificate
Approved
2026-01-07
Single storey rear extension following demolition of the existing conservatory
367 Nether Street London N3 1JN · premises record
Officer Muhsin Ahmed
Householder Application
Approved
2025-05-23
Removal of part of the internal wall between the kitchen and dining room
361 Nether Street London N3 1JN · premises record
Officer Asha Chhabhaiya
Listed Building Consent / Demolition
Refused
2024-01-15
Demolition of existing garage and construction of single storey timber studio/workshop for use ancillary to No. 361 Nether Street
Land Rear Of 363 Nether Street London N3 1JN · premises record
Officer Asha Chhabhaiya
Householder Application
Approved
2024-01-15
2no single storey rear extensions with a 0.5 metre gap between them. One extension has a proposed depth of 6 metres from original rear wall, eaves height of 2.6 metres and maximum height of 3.95 metres. The other extension will have a depth of 5.2 metres from original rear wall, eaves height of 2.6 metres and maximum height of 3.95 metres.
345 Nether Street London N3 1JN · premises record
Prior Approval
Not required
2022-03-23
Single storey rear extension measuring 6m in depth, with an eaves height of 2.95 and maximum height of 3.95m
345 Nether Street London N3 1JN · premises record
Officer Refael Saffer
Prior Notification (Householder)
Refused
2021-10-12
Rentention of existing outbuilding and use as home office and gym (Retrospective Application)
359 Nether Street London N3 1JN · premises record
Officer Frances Haines
Retention/Continued Use
Approved
2021-01-14
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres.
363 Nether Street London N3 1JN · premises record
Officer Helen McGuinness
Prior Notification (Householder)
Refused
2020-11-02
Use of an outer building in the rear garden as a Granny Annex
359 Nether Street London N3 1JN · premises record
Officer Jade Gillespie
Existing Lawful Development Certificate
Refused
2020-09-11
Alteration to internal walls of ground floor bathroom and amendment to the location of the the rooflight above the flat roof of the ground floor extension (AMENDED DESCRIPTION)
361 Nether Street London N3 1JN · premises record
Officer Joe Mari
Householder Application
Approved
2019-10-09
Erection of a rear outbuilding with patio area following demolition of the existing outbuilding
345 Nether Street London N3 1JN · premises record
Officer Lottie Burden
Approved
2026-01-07
More
Proposed Lawful Development Certificate
Single storey rear extension following demolition of the existing conservatory
367 Nether Street London N3 1JN · premises record
Officer Muhsin Ahmed
Approved
2025-05-23
More
Householder Application
Removal of part of the internal wall between the kitchen and dining room
361 Nether Street London N3 1JN · premises record
Officer Asha Chhabhaiya
Refused
2024-01-15
More
Listed Building Consent / Demolition
Show all 10 rows
Demolition of existing garage and construction of single storey timber studio/workshop for use ancillary to No. 361 Nether Street
Land Rear Of 363 Nether Street London N3 1JN · premises record
Officer Asha Chhabhaiya
Approved
2024-01-15
More
Householder Application
2no single storey rear extensions with a 0.5 metre gap between them. One extension has a proposed depth of 6 metres from original rear wall, eaves height of 2.6 metres and maximum height of 3.95 metres. The other extension will have a depth of 5.2 metres from original rear wall, eaves height of 2.6 metres and maximum height of 3.95 metres.
345 Nether Street London N3 1JN · premises record
Not required
2022-03-23
More
Prior Approval
Single storey rear extension measuring 6m in depth, with an eaves height of 2.95 and maximum height of 3.95m
345 Nether Street London N3 1JN · premises record
Officer Refael Saffer
Refused
2021-10-12
More
Prior Notification (Householder)
Rentention of existing outbuilding and use as home office and gym (Retrospective Application)
359 Nether Street London N3 1JN · premises record
Officer Frances Haines
Approved
2021-01-14
More
Retention/Continued Use
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres.
363 Nether Street London N3 1JN · premises record
Officer Helen McGuinness
Refused
2020-11-02
More
Prior Notification (Householder)
Use of an outer building in the rear garden as a Granny Annex
359 Nether Street London N3 1JN · premises record
Officer Jade Gillespie
Refused
2020-09-11
More
Existing Lawful Development Certificate
Alteration to internal walls of ground floor bathroom and amendment to the location of the the rooflight above the flat roof of the ground floor extension (AMENDED DESCRIPTION)
361 Nether Street London N3 1JN · premises record
Officer Joe Mari
Approved
2019-10-09
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 22 premises each one covers.
Designation
Coverage
Archaeological Priority Area
The name Finchley originates from the Anglo-Saxon and is defined as Finch’s clearing. However, Finchley is first mentioned in the 13th century. It is suggested that Church End was the earliest settlement in Finchley and was probably in use from · reference 77939 · covers 22 of 22 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 22 of 22 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
The name Finchley originates from the Anglo-Saxon and is defined as Finch’s clearing. However, Finchley is first mentioned in the 13th century. It is suggested that Church End was the earliest settlement in Finchley and was probably in use from · reference 77939 · covers 22 of 22 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 22 of 22 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 30 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 1 application
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 1 application
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 precedent30 applications and 30 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 2, D: 5, E: 6, 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.