Postcode record · Barnet
N3 1JJ.
N3 1JJ has 12 known premises and 7 planning records — 4 approved of 7 decided (57.1%). 5 EPC records.
Postcode N3 1JJ · boundary not held, centred on the postcodeApprovedRefusedOther7 exact7 on the map — every match
At a glance · this postcodeBarnet profile →
12
Premises
known addresses (UPRNs)
7
Applications
7 decided
57.1%
Approval rate
4 approved · 3 refused
5
EPC records
ratings D 5
7
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 1JJ has 12 known premises and 7 planning records — 4 approved of 7 decided (57.1%). 5 EPC records.
Premises
Name
Details
UPRN 200084698
UPRN 200084699
UPRN 200084700
UPRN 200084702
UPRN 200084703
UPRN 200084705
UPRN 200084706
UPRN 200084707
UPRN 200084698
UPRN 200084699
UPRN 200084700
Show all 10 rows
UPRN 200084702
UPRN 200084703
UPRN 200084705
UPRN 200084706
UPRN 200084707
Planning
What happened?
7 planning applications across the postcode; 4 approved of 7 decided (57.1%). Latest 7 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension
327 Nether Street London N3 1JJ · premises record
Householder Application
Approved
2019-08-19
Single storey rear extension with a proposed depth of 4 metres from original rear wall, eaves height of 3 metres and a maximum height of 3 metres
327 Nether Street London N3 1JJ · premises record
Prior Notification (Householder)
Refused
2019-06-07
Extension to roof and single storey side extension.
313 Nether Street, London, N3 1JJ · premises record
Householder Application
Approved
2013-01-28
Single storey side extension.
331 Nether Street, London, N3 1JJ · premises record
Full Application
Approved
2010-02-12
Proposed loft conversion, formation of hip to gable end and front rooflights.
317 Nether Street London N3 1JJ · premises record
Applicant Mr Praxinbhai Patel · Officer Alissa Fawcett
Proposed Lawful Development Certificate
Refused
2006-08-21
Alterations to roof including side dormer to facilitate a loft conversion
317 Nether Street London N3 1JJ · premises record
Applicant Mr P Patel · Officer Fabien Peterson
Full Application
Approved
2006-01-16
Proposed Lawful Development Certificate
Refused
2004-03-17
Single storey rear extension
327 Nether Street London N3 1JJ · premises record
Approved
2019-08-19
More
Householder Application
Single storey rear extension with a proposed depth of 4 metres from original rear wall, eaves height of 3 metres and a maximum height of 3 metres
327 Nether Street London N3 1JJ · premises record
Refused
2019-06-07
More
Prior Notification (Householder)
Extension to roof and single storey side extension.
313 Nether Street, London, N3 1JJ · premises record
Approved
2013-01-28
More
Householder Application
Show all 7 rows
Single storey side extension.
331 Nether Street, London, N3 1JJ · premises record
Approved
2010-02-12
More
Full Application
Proposed loft conversion, formation of hip to gable end and front rooflights.
317 Nether Street London N3 1JJ · premises record
Applicant Mr Praxinbhai Patel · Officer Alissa Fawcett
Refused
2006-08-21
More
Proposed Lawful Development Certificate
Alterations to roof including side dormer to facilitate a loft conversion
317 Nether Street London N3 1JJ · premises record
Applicant Mr P Patel · Officer Fabien Peterson
Approved
2006-01-16
More
Full Application
Refused
2004-03-17
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 12 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 12 of 12 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 12 of 12 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 12 of 12 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 12 of 12 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 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 1 application
Agent on 1 application
Agent on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent7 applications and 7 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings D: 5.
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
The Developer PlanOwnership, 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.