Postcode record · Barnet
N3 1NA.
N3 1NA has 56 known premises and 42 planning records — 29 approved of 42 decided (69%). 34 EPC records.
Postcode N3 1NA · boundary not held, centred on the postcodeApprovedRefusedOther42 exact42 on the map — every match
At a glance · this postcodeBarnet profile →
56
Premises
known addresses (UPRNs)
42
Applications
42 decided
69%
Approval rate
29 approved · 11 refused
34
EPC records
ratings C 12 · D 15 · E 7
42
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 1NA has 56 known premises and 42 planning records — 29 approved of 42 decided (69%). 34 EPC records.
Premises (18 of 56 shown)
Name
Details
UPRN 200016611
UPRN 200016612
UPRN 200016613
UPRN 200016614
UPRN 200016615
UPRN 200016616
UPRN 200016617
UPRN 200016618
UPRN 200016619
UPRN 200016620
UPRN 200016611
UPRN 200016612
UPRN 200016613
Show all 10 rows
UPRN 200016614
UPRN 200016615
UPRN 200016616
UPRN 200016617
UPRN 200016618
UPRN 200016619
UPRN 200016620
Planning
What happened?
42 planning applications across the postcode; 29 approved of 42 decided (69%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving L shaped dormer and 3no. front facing rooflights
First Floor Flat 12 Brownlow Road London N3 1NA · premises record
Full Application
Refused
2025-07-07
Erection of a garden studio and alterations to patio area.
6 Brownlow Road London N3 1NA · premises record
Applicant Josephine Halsall · Officer Muhsin Ahmed
Proposed Lawful Development Certificate
Approved
2025-05-07
Installation of 1no. green Virgin Media cabinet
Pavement Outside 4 Brownlow Road London N3 1NA · premises record
Licence Notification
Not required
2024-12-02
Roof extension involving L shaped dormer and 3no. front facing rooflights
First Floor Flat 12 Brownlow Road London N3 1NA · premises record
Full Application
Refused
2022-07-26
Roof extension involving rear dormer and 3no front facing rooflights
First Floor Flat 12 Brownlow Road London N3 1NA · premises record
Full Application
Approved
2022-07-26
Submission of details of conditions 5 (Refuse/recycling enclosures) 6 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 20/3721/FUL dated 26/10/2020
16 Brownlow Road London N3 1NA · premises record
Conditions
Approved
2022-06-17
Single storey rear/side extension
14A Brownlow Road London N3 1NA · premises record
Full
Approved
2021-08-12
Extensions and alterations to provide 2no self-contained flats (use class C3) including single storey rear/side infill extension and a roof extension involving 2no rear dormer windows and 2no front facing rooflights
16 Brownlow Road London N3 1NA · premises record
Full Application
Approved
2020-08-12
Roof extension involving rear dormer window and 2no front facing rooflights
18A Brownlow Road London N3 1NA · premises record
Full Application
Approved
2018-12-06
Single storey rear extension. Changes to side fenestration
20 Brownlow Road London N3 1NA · premises record
Applicant Mr Christopher Lambe
Full Application
Approved
2017-07-12
Roof extension involving L shaped dormer and 3no. front facing rooflights
First Floor Flat 12 Brownlow Road London N3 1NA · premises record
Refused
2025-07-07
More
Full Application
Erection of a garden studio and alterations to patio area.
6 Brownlow Road London N3 1NA · premises record
Applicant Josephine Halsall · Officer Muhsin Ahmed
Approved
2025-05-07
More
Proposed Lawful Development Certificate
Installation of 1no. green Virgin Media cabinet
Pavement Outside 4 Brownlow Road London N3 1NA · premises record
Not required
2024-12-02
More
Licence Notification
Show all 10 rows
Roof extension involving L shaped dormer and 3no. front facing rooflights
First Floor Flat 12 Brownlow Road London N3 1NA · premises record
Refused
2022-07-26
More
Full Application
Roof extension involving rear dormer and 3no front facing rooflights
First Floor Flat 12 Brownlow Road London N3 1NA · premises record
Approved
2022-07-26
More
Full Application
Submission of details of conditions 5 (Refuse/recycling enclosures) 6 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 20/3721/FUL dated 26/10/2020
16 Brownlow Road London N3 1NA · premises record
Approved
2022-06-17
More
Conditions
Single storey rear/side extension
14A Brownlow Road London N3 1NA · premises record
Approved
2021-08-12
More
Full
Extensions and alterations to provide 2no self-contained flats (use class C3) including single storey rear/side infill extension and a roof extension involving 2no rear dormer windows and 2no front facing rooflights
16 Brownlow Road London N3 1NA · premises record
Approved
2020-08-12
More
Full Application
Roof extension involving rear dormer window and 2no front facing rooflights
18A Brownlow Road London N3 1NA · premises record
Approved
2018-12-06
More
Full Application
Single storey rear extension. Changes to side fenestration
20 Brownlow Road London N3 1NA · premises record
Applicant Mr Christopher Lambe
Approved
2017-07-12
More
Full 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 56 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 56 of 56 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 56 of 56 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 56 of 56 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 56 of 56 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
Applicant on 3 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 3 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 precedent42 applications and 42 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy34 EPC records; ratings C: 12, D: 15, E: 7.
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.
12 intent signals recorded in this postcode
Price decline · Beatable refusal · Charge registered · Repeat sale · Long hold
Subscribe to see the signals →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.