Postcode record · Barnet
N12 9JL.
N12 9JL has 25 known premises and 48 planning records — 26 approved of 48 decided (54.2%). 15 EPC records.
Postcode N12 9JL · boundary not held, centred on the postcodeApprovedRefusedOther48 exact48 on the map — every match
At a glance · this postcodeBarnet profile →
25
Premises
known addresses (UPRNs)
48
Applications
48 decided
54.2%
Approval rate
26 approved · 15 refused
15
EPC records
ratings D 12 · E 2 · F 1
48
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?
N12 9JL has 25 known premises and 48 planning records — 26 approved of 48 decided (54.2%). 15 EPC records.
Premises (18 of 25 shown)
Name
Details
UPRN 200041358
UPRN 200041359
UPRN 200041360
UPRN 200041361
UPRN 200041362
UPRN 200041399
UPRN 200041400
UPRN 200041402
UPRN 200041404
UPRN 200041417
UPRN 200041358
UPRN 200041359
UPRN 200041360
Show all 10 rows
UPRN 200041361
UPRN 200041362
UPRN 200041399
UPRN 200041400
UPRN 200041402
UPRN 200041404
UPRN 200041417
Planning
What happened?
48 planning applications across the postcode; 26 approved of 48 decided (54.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
1 x Mature Cedar - Reduce crown by 1.5 metres. Standing in Group G1 of Tree Preservation Order.
50 Finchley Park London N12 9JL · premises record
Works to TPO trees
Approved
2025-10-03
Part single, part two storey rear extension
46 Finchley Park London N12 9JL · premises record
Householder Application
Refused
2022-10-14
Single storey side/rear extension
82 Finchley Park London N12 9JL · premises record
Householder Application
Approved
2022-02-10
1 x Cedar (left hand tree when facing the house) - Reduce the extremities of branches by 1 to 1.5 meters all around. Standing in Group G1 of Tree Preservation Order
50 Finchley Park London N12 9JL · premises record
Works to TPO trees
Approved
2021-07-12
1 x Cedar (the right hand tree when facing the house - applicant's ref. T1) - Cut down to ground level. Standing in Group G1 of Tree Preservation Order 1 x Cedar (left hand tree when facing the house - applicant's ref. T2) - Reduce the extremities of branches by 2 to 2.5 meters all around. Standing in Group G1 of Tree Preservation Order
50 Finchley Park London N12 9JL · premises record
—
Split
2021-04-27
Part single part two storey rear extension including 2no rooflights. Pitched roof to first floor rear extension
46 Finchley Park London N12 9JL · premises record
Householder Application
Approved
2020-12-08
Single storey side and rear extension following demolition of the existing garage. Front extension within the existing courtyard
50 Finchley Park London N12 9JL · premises record
Applicant Mrs ANN DEVLEESSCAHUWER · Agent Alan Cox Associates
Householder Application
Approved
2018-10-08
Single storey side and rear extension following demolition of the existing garage. Front extension within the existing courtyard.
50 Finchley Park London N12 9JL · premises record
Applicant Mr DANIEL SCHROYENS · Agent Mr Hassan Djaffer
Householder Application
Approved
2018-04-18
Part single, part two storey rear extension
66 Finchley Park London N12 9JL · premises record
Householder Application
Withdrawn
2018-02-21
Part single, part-two storey rear extension
70 Finchley Park London N12 9JL · premises record
Householder
Refused
2017-10-26
1 x Mature Cedar - Reduce crown by 1.5 metres. Standing in Group G1 of Tree Preservation Order.
50 Finchley Park London N12 9JL · premises record
Approved
2025-10-03
More
Works to TPO trees
Part single, part two storey rear extension
46 Finchley Park London N12 9JL · premises record
Refused
2022-10-14
More
Householder Application
Single storey side/rear extension
82 Finchley Park London N12 9JL · premises record
Approved
2022-02-10
More
Householder Application
Show all 10 rows
1 x Cedar (left hand tree when facing the house) - Reduce the extremities of branches by 1 to 1.5 meters all around. Standing in Group G1 of Tree Preservation Order
50 Finchley Park London N12 9JL · premises record
Approved
2021-07-12
More
Works to TPO trees
1 x Cedar (the right hand tree when facing the house - applicant's ref. T1) - Cut down to ground level. Standing in Group G1 of Tree Preservation Order 1 x Cedar (left hand tree when facing the house - applicant's ref. T2) - Reduce the extremities of branches by 2 to 2.5 meters all around. Standing in Group G1 of Tree Preservation Order
50 Finchley Park London N12 9JL · premises record
Split
2021-04-27
More
—
Part single part two storey rear extension including 2no rooflights. Pitched roof to first floor rear extension
46 Finchley Park London N12 9JL · premises record
Approved
2020-12-08
More
Householder Application
Single storey side and rear extension following demolition of the existing garage. Front extension within the existing courtyard
50 Finchley Park London N12 9JL · premises record
Applicant Mrs ANN DEVLEESSCAHUWER · Agent Alan Cox Associates
Approved
2018-10-08
More
Householder Application
Single storey side and rear extension following demolition of the existing garage. Front extension within the existing courtyard.
50 Finchley Park London N12 9JL · premises record
Applicant Mr DANIEL SCHROYENS · Agent Mr Hassan Djaffer
Approved
2018-04-18
More
Householder Application
Part single, part two storey rear extension
66 Finchley Park London N12 9JL · premises record
Withdrawn
2018-02-21
More
Householder Application
Part single, part-two storey rear extension
70 Finchley Park London N12 9JL · premises record
Refused
2017-10-26
More
Householder
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 25 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 25 of 25 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 25 of 25 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 precedent48 applications and 48 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings D: 12, E: 2, 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.
3 intent signals recorded in this postcode
Repeat sale · EPC F/G · 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.