Postcode record · Barnet
N3 3BB.
N3 3BB has 13 known premises and 24 planning records — 17 approved of 24 decided (70.8%). 7 EPC records.
Postcode N3 3BB · boundary not held, centred on the postcodeApprovedRefusedOther24 exact24 on the map — every match
At a glance · this postcodeBarnet profile →
13
Premises
known addresses (UPRNs)
24
Applications
24 decided
70.8%
Approval rate
17 approved · 6 refused
7
EPC records
ratings D 5 · E 1 · F 1
24
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 3BB has 13 known premises and 24 planning records — 17 approved of 24 decided (70.8%). 7 EPC records.
Premises
Name
Details
UPRN 200009200
UPRN 200009202
UPRN 200009204
UPRN 200009206
UPRN 200009208
UPRN 200009210
UPRN 200009212
UPRN 200009214
UPRN 200009216
UPRN 200009218
UPRN 200009200
UPRN 200009202
UPRN 200009204
Show all 10 rows
UPRN 200009206
UPRN 200009208
UPRN 200009210
UPRN 200009212
UPRN 200009214
UPRN 200009216
UPRN 200009218
Planning
What happened?
24 planning applications across the postcode; 17 approved of 24 decided (70.8%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Demolition of existing garage. Erection of a two storey dwelling with rooms in the roofspace. Associated hard and soft landscaping, refuse/recycling and cycle store, amenity space and parking (AMENDED DESCRIPTION)
Rear Of 37 Beechwood Avenue London N3 3BB · premises record
Full Application
Refused
2025-09-29
Single story rear extension
51 Beechwood Avenue London N3 3BB · premises record
Householder Application
Approved
2024-12-20
Single storey rear extension with a proposed depth of 5.15 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.
51 Beechwood Avenue London N3 3BB · premises record
Prior Approval
Withdrawn
2024-11-08
Roof extension with rear domer window
51 Beechwood Avenue London N3 3BB · premises record
Proposed Lawful Development Certificate
Approved
2024-11-06
Alterations to the existing roof to form hip to gable. Addition of 1no front facing rooflight
41 Beechwood Avenue London N3 3BB · premises record
Applicant Mr and Mrs Eleanor and Alastair Livingston · Agent Is and Ren Studios Ltd · Officer Helen McGuinness
Proposed Lawful Development Certificate
Approved
2020-10-30
First floor side extension
41 Beechwood Avenue London N3 3BB · premises record
Applicant Mr and Mrs Eleanor and Alastair Livingston · Agent Is and Ren Studios Ltd · Officer Emily Bell
Householder Application
Approved
2020-10-30
New pitched roof over existing side extension to provide additional accommodation to loft space, with associated internal alterations
55 Beechwood Avenue London N3 3BB · premises record
Householder Application
Approved
2015-08-12
Single storey front extension of existing rear garden garage to provide storage area.
49 Beechwood Avenue, London, N3 3BB · premises record
Proposed Lawful Development Certificate
Approved
2013-07-29
Two-storey rear extension, rear conservatory, conversion of garage to habitable space and front entrance hall extension.
59 Beechwood Avenue, London, N3 3BB · premises record
Householder Application
Approved
2012-08-07
Single storey rear extension. Extension to roof including rear dormer window to facilitate a loft conversion.
51 Beechwood Avenue, London, N3 3BB · premises record
Applicant Mr & Mrs Bentley · Officer Neetal Rajput
Full Application
Approved
2012-03-21
Demolition of existing garage. Erection of a two storey dwelling with rooms in the roofspace. Associated hard and soft landscaping, refuse/recycling and cycle store, amenity space and parking (AMENDED DESCRIPTION)
Rear Of 37 Beechwood Avenue London N3 3BB · premises record
Refused
2025-09-29
More
Full Application
Single story rear extension
51 Beechwood Avenue London N3 3BB · premises record
Approved
2024-12-20
More
Householder Application
Single storey rear extension with a proposed depth of 5.15 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.
51 Beechwood Avenue London N3 3BB · premises record
Withdrawn
2024-11-08
More
Prior Approval
Show all 10 rows
Roof extension with rear domer window
51 Beechwood Avenue London N3 3BB · premises record
Approved
2024-11-06
More
Proposed Lawful Development Certificate
Alterations to the existing roof to form hip to gable. Addition of 1no front facing rooflight
41 Beechwood Avenue London N3 3BB · premises record
Applicant Mr and Mrs Eleanor and Alastair Livingston · Agent Is and Ren Studios Ltd · Officer Helen McGuinness
Approved
2020-10-30
More
Proposed Lawful Development Certificate
First floor side extension
41 Beechwood Avenue London N3 3BB · premises record
Applicant Mr and Mrs Eleanor and Alastair Livingston · Agent Is and Ren Studios Ltd · Officer Emily Bell
Approved
2020-10-30
More
Householder Application
New pitched roof over existing side extension to provide additional accommodation to loft space, with associated internal alterations
55 Beechwood Avenue London N3 3BB · premises record
Approved
2015-08-12
More
Householder Application
Single storey front extension of existing rear garden garage to provide storage area.
49 Beechwood Avenue, London, N3 3BB · premises record
Approved
2013-07-29
More
Proposed Lawful Development Certificate
Two-storey rear extension, rear conservatory, conversion of garage to habitable space and front entrance hall extension.
59 Beechwood Avenue, London, N3 3BB · premises record
Approved
2012-08-07
More
Householder Application
Single storey rear extension. Extension to roof including rear dormer window to facilitate a loft conversion.
51 Beechwood Avenue, London, N3 3BB · premises record
Applicant Mr & Mrs Bentley · Officer Neetal Rajput
Approved
2012-03-21
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 13 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 13 of 13 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 13 of 13 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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 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 2 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 precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings D: 5, E: 1, 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.
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.