Postcode record · Barnet
N3 3AN.
N3 3AN has 24 known premises and 40 planning records — 32 approved of 40 decided (80%). 15 EPC records.
Postcode N3 3AN · boundary not held, centred on the postcodeApprovedRefusedOther40 exact40 on the map — every match
At a glance · this postcodeBarnet profile →
24
Premises
known addresses (UPRNs)
40
Applications
40 decided
80%
Approval rate
32 approved · 4 refused
15
EPC records
ratings C 2 · D 10 · E 3
40
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 3AN has 24 known premises and 40 planning records — 32 approved of 40 decided (80%). 15 EPC records.
Premises (18 of 24 shown)
Name
Details
UPRN 200003937
UPRN 200003938
UPRN 200003941
UPRN 200003943
UPRN 200003945
UPRN 200003947
UPRN 200003949
UPRN 200003951
UPRN 200003953
UPRN 200003955
UPRN 200003937
UPRN 200003938
UPRN 200003941
Show all 10 rows
UPRN 200003943
UPRN 200003945
UPRN 200003947
UPRN 200003949
UPRN 200003951
UPRN 200003953
UPRN 200003955
Planning
What happened?
40 planning applications across the postcode; 32 approved of 40 decided (80%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part single, part two storey rear extension. Alteration to ground floor fenestration [Amended Description]
30 Arden Road London N3 3AN · premises record
Householder Application
Approved
2026-02-09
Erection of a rear outbuilding
18 Arden Road London N3 3AN · premises record
Householder Application
Approved
2025-05-07
Roof extension involving hip to gable, rear dormer window, juliette balcony, 3no. front facing rooflights and new side gable window
30 Arden Road London N3 3AN · premises record
Proposed Lawful Development Certificate
Approved
2025-01-09
Part single, part two storey rear extension following the demolition of existing single storey rear extension. Roof extension involving hip to gable, rear dormer window with juliette balcony and new side gable window
30 Arden Road London N3 3AN · premises record
Householder Application
Withdrawn
2024-04-15
Single storey rear extension
26 Arden Road London N3 3AN · premises record
Full Application
Approved
2023-04-18
Removal of portico columns and shelter to front elevation. New front door with side windows and new canopy. Modifications to existing rear extension to include 3 nos new rooflights, new door and window. Fenestration changes to front/rear elevations and new obscure side window at first floor. Roof extension to include 1no. rear dormer window, 1no. side dormer window, 1no. front rooflight and 2nos. side roof lights (Amended Description)
20 Arden Road London N3 3AN · premises record
Householder Application
Approved
2022-06-07
Roof extension involving hip to gable and rear dormer window
42 Arden Road London N3 3AN · premises record
—
Approved
2022-02-14
Part single, part two storey rear extension
42 Arden Road London N3 3AN · premises record
Householder Application
Approved
2022-02-14
Single storey side and rear extension following demolition of exisiting extension
34 Arden Road London N3 3AN · premises record
Householder Application
Approved
2021-03-12
Single storey side extension following removal of the existing shed
44 Arden Road London N3 3AN · premises record
Householder Application
Approved
2020-12-15
Part single, part two storey rear extension. Alteration to ground floor fenestration [Amended Description]
30 Arden Road London N3 3AN · premises record
Approved
2026-02-09
More
Householder Application
Erection of a rear outbuilding
18 Arden Road London N3 3AN · premises record
Approved
2025-05-07
More
Householder Application
Roof extension involving hip to gable, rear dormer window, juliette balcony, 3no. front facing rooflights and new side gable window
30 Arden Road London N3 3AN · premises record
Approved
2025-01-09
More
Proposed Lawful Development Certificate
Show all 10 rows
Part single, part two storey rear extension following the demolition of existing single storey rear extension. Roof extension involving hip to gable, rear dormer window with juliette balcony and new side gable window
30 Arden Road London N3 3AN · premises record
Withdrawn
2024-04-15
More
Householder Application
Single storey rear extension
26 Arden Road London N3 3AN · premises record
Approved
2023-04-18
More
Full Application
Removal of portico columns and shelter to front elevation. New front door with side windows and new canopy. Modifications to existing rear extension to include 3 nos new rooflights, new door and window. Fenestration changes to front/rear elevations and new obscure side window at first floor. Roof extension to include 1no. rear dormer window, 1no. side dormer window, 1no. front rooflight and 2nos. side roof lights (Amended Description)
20 Arden Road London N3 3AN · premises record
Approved
2022-06-07
More
Householder Application
Roof extension involving hip to gable and rear dormer window
42 Arden Road London N3 3AN · premises record
Approved
2022-02-14
More
—
Part single, part two storey rear extension
42 Arden Road London N3 3AN · premises record
Approved
2022-02-14
More
Householder Application
Single storey side and rear extension following demolition of exisiting extension
34 Arden Road London N3 3AN · premises record
Approved
2021-03-12
More
Householder Application
Single storey side extension following removal of the existing shed
44 Arden Road London N3 3AN · premises record
Approved
2020-12-15
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 24 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 24 of 24 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 24 of 24 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 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 1 application
Applicant on 1 application
Applicant on 2 applications
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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent40 applications and 40 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 2, D: 10, E: 3.
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.