Postcode record · Barnet
N12 9AX.
N12 9AX has 51 known premises and 60 planning records — 37 approved of 58 decided (63.8%). 23 EPC records.
Postcode N12 9AX · boundary not held, centred on the postcodeApprovedRefusedOther60 exact60 on the map — every match
At a glance · this postcodeBarnet profile →
51
Premises
known addresses (UPRNs)
60
Applications
58 decided
63.8%
Approval rate
37 approved · 11 refused
23
EPC records
ratings C 1 · D 16 · E 4 · F 2
60
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 9AX has 51 known premises and 60 planning records — 37 approved of 58 decided (63.8%). 23 EPC records.
Premises (18 of 51 shown)
Name
Details
UPRN 200005112
UPRN 200005113
UPRN 200005114
UPRN 200005115
UPRN 200005116
UPRN 200005117
UPRN 200005118
UPRN 200005119
UPRN 200005120
UPRN 200132465
UPRN 200005112
UPRN 200005113
UPRN 200005114
Show all 10 rows
UPRN 200005115
UPRN 200005116
UPRN 200005117
UPRN 200005118
UPRN 200005119
UPRN 200005120
UPRN 200132465
Planning
What happened?
60 planning applications across the postcode; 37 approved of 58 decided (63.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension with rear dormer with juliette balcony, outrigger dormer, 2no. side (1 to each side) and 3no. front facing rooflights
Flat 2 2 Ashurst Road London N12 9AX · premises record
Full Application
Pending Consideration
2026-05-18
Roof extension involving removal and replacement of the existing rear dormer and insertion of 3no. front facing rooflights
20 Ashurst Road London N12 9AX · premises record
Applicant Mrs and Mr Johanna and Eloi Van Balen and Borras · Agent Vorbild Architecture Limited · Officer Joseph Parsons
Proposed Lawful Development Certificate
Pending Consideration
2026-05-14
Single storey rear and side infill extension following demolition of original side extension
4 Ashurst Road London N12 9AX · premises record
Householder Application
Approved
2023-09-21
Roof extension involving rear dormer with juliette balcony and outrigger dormer with 3 no. rooflights and 1no. front facing rooflight
4 Ashurst Road London N12 9AX · premises record
Proposed Lawful Development Certificate
Approved
2023-09-12
Single storey side/rear extension
40 Ashurst Road London N12 9AX · premises record
Householder Application
Approved
2023-07-31
Roof extension including rear dormer window
90 Ashurst Road London N12 9AX · premises record
Proposed Lawful Development Certificate
Withdrawn
2023-05-18
Single storey rear extension following demolition of porch, with new patio and access steps. Roof extension including rear dormer window, 2no. front and 1no. rear facing rooflights. Bay window extension to ground/first floor. New roof canopy over entrance door. Changes to fenestration to front elevation (Amended Description)
90 Ashurst Road London N12 9AX · premises record
Householder Application
Approved
2023-03-15
Single storey rear extension. New front porch and steps. Alterations and extension to roof including new hipped roof over existing two storey side extension, rear dormer window and 2no. rooflights to front roofslope. Changes to fenestration to front elevation
90 Ashurst Road London N12 9AX · premises record
Householder Application
Withdrawn
2022-11-02
Single storey rear extension and insertion of full width sliding doors following demolition of existing conservatory
20 Ashurst Road London N12 9AX · premises record
Householder Application
Approved
2022-01-13
Single storey rear extension
66 Ashurst Road London N12 9AX · premises record
Householder Application
Approved
2021-12-21
Roof extension with rear dormer with juliette balcony, outrigger dormer, 2no. side (1 to each side) and 3no. front facing rooflights
Flat 2 2 Ashurst Road London N12 9AX · premises record
Pending Consideration
2026-05-18
More
Full Application
Roof extension involving removal and replacement of the existing rear dormer and insertion of 3no. front facing rooflights
20 Ashurst Road London N12 9AX · premises record
Applicant Mrs and Mr Johanna and Eloi Van Balen and Borras · Agent Vorbild Architecture Limited · Officer Joseph Parsons
Pending Consideration
2026-05-14
More
Proposed Lawful Development Certificate
Single storey rear and side infill extension following demolition of original side extension
4 Ashurst Road London N12 9AX · premises record
Approved
2023-09-21
More
Householder Application
Show all 10 rows
Roof extension involving rear dormer with juliette balcony and outrigger dormer with 3 no. rooflights and 1no. front facing rooflight
4 Ashurst Road London N12 9AX · premises record
Approved
2023-09-12
More
Proposed Lawful Development Certificate
Single storey side/rear extension
40 Ashurst Road London N12 9AX · premises record
Approved
2023-07-31
More
Householder Application
Roof extension including rear dormer window
90 Ashurst Road London N12 9AX · premises record
Withdrawn
2023-05-18
More
Proposed Lawful Development Certificate
Single storey rear extension following demolition of porch, with new patio and access steps. Roof extension including rear dormer window, 2no. front and 1no. rear facing rooflights. Bay window extension to ground/first floor. New roof canopy over entrance door. Changes to fenestration to front elevation (Amended Description)
90 Ashurst Road London N12 9AX · premises record
Approved
2023-03-15
More
Householder Application
Single storey rear extension. New front porch and steps. Alterations and extension to roof including new hipped roof over existing two storey side extension, rear dormer window and 2no. rooflights to front roofslope. Changes to fenestration to front elevation
90 Ashurst Road London N12 9AX · premises record
Withdrawn
2022-11-02
More
Householder Application
Single storey rear extension and insertion of full width sliding doors following demolition of existing conservatory
20 Ashurst Road London N12 9AX · premises record
Approved
2022-01-13
More
Householder Application
Single storey rear extension
66 Ashurst Road London N12 9AX · premises record
Approved
2021-12-21
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 51 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 51 of 51 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 51 of 51 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).
Ashurst Road0 mBuxted Road0 mFootpath From Buxted Road To Friary Close22 mWoodhouse Road36 mHorsham Avenue46 m
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 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 precedent60 applications and 60 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 1, D: 16, E: 4, F: 2.
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.
8 intent signals recorded in this postcode
HMO licence expiring · EPC F/G · Long hold · Ageing director · HMO licensed
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.