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Planning Atlas›Barnet›…Woodhouse ward›N12 9HJ
AtlasBarnetWoodhouseN12 9HJ
Postcode record · Barnet

N12 9HJ.

N12 9HJ has 13 known premises and 22 planning records — 15 approved of 22 decided (68.2%). 8 EPC records.

Barnet›Woodhouse›N12 9HJ
Postcode N12 9HJ · boundary not held, centred on the postcodeApprovedRefusedOther22 exact22 on the map — every match
At a glance · this postcodeBarnet profile →
13
Premises
known addresses (UPRNs)
22
Applications
22 decided
68.2%
Approval rate
15 approved · 6 refused
8
EPC records
ratings C 4 · D 4
22
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 9HJ has 13 known premises and 22 planning records — 15 approved of 22 decided (68.2%). 8 EPC records.

Premises

Name
Details
UPRN 200012945
UPRN 200012946
UPRN 200012947
UPRN 200012948
UPRN 200012949
UPRN 200012950
UPRN 200012951
UPRN 200012952
UPRN 200012953
UPRN 200012954
UPRN 200012945
UPRN 200012946
UPRN 200012947
Show all 10 rows
UPRN 200012948
UPRN 200012949
UPRN 200012950
UPRN 200012951
UPRN 200012952
UPRN 200012953
UPRN 200012954
Planning

What happened?

22 planning applications across the postcode; 15 approved of 22 decided (68.2%). Latest 22 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
1 x Oak - Crown thin density by 30%, lift off roof to give 2 metres clearance. Standing in T8 of Tree Preservation Order.
4 Boxworth Close London N12 9HJ · premises record
Works to TPO trees
Approved
2025-03-24
Single storey side/rear extension. Conversion of existing garage into habitable room
4 Boxworth Close London N12 9HJ · premises record
Householder Application
Approved
2017-11-09
1 x Oak - Crown thin density by 30%, lift off roof to give 2 metre clearance. T8 of Tree Preservation Order
4 Boxworth Close London N12 9HJ · premises record
Applicant Mr Daniel Jacobs · Officer Edward Jones
Works to TPO trees
Approved
2017-04-19
Single storey side/rear extension
4 Boxworth Close London N12 9HJ · premises record
Householder Application
Refused
2017-01-17
1 x Oak - Reduce to previous tree surgery points, Reduce the rest of the crown by 2 metres all the way around to re-balance, 10% thin out, (deadwood). T8 of Tree Preservation Order
4 Boxworth Close London N12 9HJ · premises record
Works to TPO trees
Refused
2016-11-07
Conversion of garage into habitable room. Single storey rear extension
10 Boxworth Close London N12 9HJ · premises record
Householder Application
Approved
2015-08-07
Erection of a single storey rear conservatory.
5 Boxworth Close, London, N12 9HJ · premises record
Applicant Mr Lamba · Agent Anglian Home Improvements · Officer Denisse Patten
Householder Application
Approved
2014-02-10
1 x Ash - Fell. Standing in Group G6 of Tree Preservation Order
7 Boxworth Close, London, N12 9HJ · premises record
Applicant Mr A Bernucci · Officer Edward Jones
Treeworks: Fell TPO tree(s)
Not required
2012-07-10
Single storey rear extension. Conversion of garage into habitable room.
10 Boxworth Close, London, N12 9HJ · premises record
Applicant Mr Harris · Agent M.J.Cook Architect Riba · Officer Neetal Rajput
Householder Application
Approved
2010-08-20
Single storey rear extension. Conversion of garage into habitable room.
10 Boxworth Close, London, N12 9HJ · premises record
Full Application
Approved
2009-09-23
1 x Oak - Crown thin density by 30%, lift off roof to give 2 metres clearance. Standing in T8 of Tree Preservation Order.
4 Boxworth Close London N12 9HJ · premises record
Approved
2025-03-24
More
Works to TPO trees
Single storey side/rear extension. Conversion of existing garage into habitable room
4 Boxworth Close London N12 9HJ · premises record
Approved
2017-11-09
More
Householder Application
1 x Oak - Crown thin density by 30%, lift off roof to give 2 metre clearance. T8 of Tree Preservation Order
4 Boxworth Close London N12 9HJ · premises record
Applicant Mr Daniel Jacobs · Officer Edward Jones
Approved
2017-04-19
More
Works to TPO trees
Show all 10 rows
Single storey side/rear extension
4 Boxworth Close London N12 9HJ · premises record
Refused
2017-01-17
More
Householder Application
1 x Oak - Reduce to previous tree surgery points, Reduce the rest of the crown by 2 metres all the way around to re-balance, 10% thin out, (deadwood). T8 of Tree Preservation Order
4 Boxworth Close London N12 9HJ · premises record
Refused
2016-11-07
More
Works to TPO trees
Conversion of garage into habitable room. Single storey rear extension
10 Boxworth Close London N12 9HJ · premises record
Approved
2015-08-07
More
Householder Application
Erection of a single storey rear conservatory.
5 Boxworth Close, London, N12 9HJ · premises record
Applicant Mr Lamba · Agent Anglian Home Improvements · Officer Denisse Patten
Approved
2014-02-10
More
Householder Application
1 x Ash - Fell. Standing in Group G6 of Tree Preservation Order
7 Boxworth Close, London, N12 9HJ · premises record
Applicant Mr A Bernucci · Officer Edward Jones
Not required
2012-07-10
More
Treeworks: Fell TPO tree(s)
Single storey rear extension. Conversion of garage into habitable room.
10 Boxworth Close, London, N12 9HJ · premises record
Applicant Mr Harris · Agent M.J.Cook Architect Riba · Officer Neetal Rajput
Approved
2010-08-20
More
Householder Application
Single storey rear extension. Conversion of garage into habitable room.
10 Boxworth Close, London, N12 9HJ · premises record
Approved
2009-09-23
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 22 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 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development

What could it become?

Planning precedent22 applications and 22 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 4, D: 4.
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 Plan

Ownership, 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
Long hold
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
N12 9HJ, Barnet: Planning and Property History | Planning Atlas