Postcode record · Barnet
N12 0NU.
N12 0NU has 19 known premises and 16 planning records — 10 approved of 16 decided (62.5%). 9 EPC records.
Postcode N12 0NU · boundary not held, centred on the postcodeApprovedRefusedOther16 exact16 on the map — every match
At a glance · this postcodeBarnet profile →
19
Premises
known addresses (UPRNs)
16
Applications
16 decided
62.5%
Approval rate
10 approved · 4 refused
9
EPC records
ratings C 6 · D 2 · E 1
16
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 0NU has 19 known premises and 16 planning records — 10 approved of 16 decided (62.5%). 9 EPC records.
Premises (18 of 19 shown)
Name
Details
UPRN 200060415
UPRN 200060416
UPRN 200060715
UPRN 200060716
UPRN 200060717
UPRN 200060718
UPRN 200060719
UPRN 200060720
UPRN 200060415
UPRN 200060416
UPRN 200060715
Show all 10 rows
UPRN 200060716
UPRN 200060717
UPRN 200060718
UPRN 200060719
UPRN 200060720
Planning
What happened?
16 planning applications across the postcode; 10 approved of 16 decided (62.5%). Latest 16 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of an outbuilding at rear garden for use as granny annexe
626 High Road London N12 0NU · premises record
Full Application
Approved
2025-09-03
Roof extension involving rear dormer with 2no. front facing rooflights (Amended Description)
626A High Road London N12 0NU · premises record
Full Application
Approved
2025-07-02
Roof extension involving rear dormer window with juliette balcony, rear window and 2no. front facing rooflights
626A High Road London N12 0NU · premises record
Full Application
Refused
2025-04-22
Erection of an outbuilding at rear garden for use as granny annexe
626 High Road London N12 0NU · premises record
Full Application
Approved
2024-06-17
Demolition of the existing garage and erection of an outbuilding to form a granny annexe
632 High Road London N12 0NU · premises record
Full Application
Approved
2023-04-05
T1 x 1 Yew Crown reduction by removing up to 1.0 metres growth pruning back to suitable growth points to leave a balanced crown Standing within tree preservation order T2
Christ Church North Finchley Church Of England 620 High Road London N12 0NU · premises record
Works to TPO trees
Refused
2021-10-21
Discharge of Conditions 4 (Refuse/recycling); 5 (Cycle/storage) and 6 (Amenity Sub-Division) pursuant to planning permission 19/2408/FUL dated 19/06/19
622 High Road London N12 0NU · premises record
Conditions
Approved
2019-08-01
Conversion of existing dwelling into 2no self-contained flats including single storey rear extension, demolition of the existing garage, alterations to fenestration, removal of chimney and repair/replacement of boundary as necessary. Associated parking, cycle store, refuse and amenity space [AMENDED DESCRIPTION]
622 High Road London N12 0NU · premises record
Full Application
Approved
2019-04-25
1 x Yew (applicant's ref. T1) - Crown clean as specified, Lift to 2m, Reduce spread to provide 2-3m clearance from the church. T2 of Tree Preservation Order
Christ Church North Finchley Church Of England 620 High Road London N12 0NU · premises record
Treeworks: Mixed works to TPO tree(s)
Approved
2018-01-19
Erection of an outbuilding at rear garden for use as granny annexe
626 High Road London N12 0NU · premises record
Approved
2025-09-03
More
Full Application
Roof extension involving rear dormer with 2no. front facing rooflights (Amended Description)
626A High Road London N12 0NU · premises record
Approved
2025-07-02
More
Full Application
Roof extension involving rear dormer window with juliette balcony, rear window and 2no. front facing rooflights
626A High Road London N12 0NU · premises record
Refused
2025-04-22
More
Full Application
Show all 10 rows
Erection of an outbuilding at rear garden for use as granny annexe
626 High Road London N12 0NU · premises record
Approved
2024-06-17
More
Full Application
Use as 2no. self-contained flats
632 High Road London N12 0NU · premises record
Approved
2024-02-14
More
—
Demolition of the existing garage and erection of an outbuilding to form a granny annexe
632 High Road London N12 0NU · premises record
Approved
2023-04-05
More
Full Application
T1 x 1 Yew Crown reduction by removing up to 1.0 metres growth pruning back to suitable growth points to leave a balanced crown Standing within tree preservation order T2
Christ Church North Finchley Church Of England 620 High Road London N12 0NU · premises record
Refused
2021-10-21
More
Works to TPO trees
Discharge of Conditions 4 (Refuse/recycling); 5 (Cycle/storage) and 6 (Amenity Sub-Division) pursuant to planning permission 19/2408/FUL dated 19/06/19
622 High Road London N12 0NU · premises record
Approved
2019-08-01
More
Conditions
Conversion of existing dwelling into 2no self-contained flats including single storey rear extension, demolition of the existing garage, alterations to fenestration, removal of chimney and repair/replacement of boundary as necessary. Associated parking, cycle store, refuse and amenity space [AMENDED DESCRIPTION]
622 High Road London N12 0NU · premises record
Approved
2019-04-25
More
Full Application
1 x Yew (applicant's ref. T1) - Crown clean as specified, Lift to 2m, Reduce spread to provide 2-3m clearance from the church. T2 of Tree Preservation Order
Christ Church North Finchley Church Of England 620 High Road London N12 0NU · premises record
Approved
2018-01-19
More
Treeworks: Mixed works to TPO tree(s)
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 19 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 19 of 19 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 19 of 19 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 16 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 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
Agent on 3 applications
Applicant on 4 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
Agent on 3 applications
Development
What could it become?
Planning precedent16 applications and 16 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings C: 6, D: 2, E: 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
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.
2 intent signals recorded in this postcode
Portfolio seller · Repeat sale
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.