Postcode record · Barnet
N12 8EY.
N12 8EY has 23 known premises and 31 planning records — 20 approved of 31 decided (64.5%). 12 EPC records.
Postcode N12 8EY · boundary not held, centred on the postcodeApprovedRefusedOther31 exact31 on the map — every match
At a glance · this postcodeBarnet profile →
23
Premises
known addresses (UPRNs)
31
Applications
31 decided
64.5%
Approval rate
20 approved · 10 refused
12
EPC records
ratings D 6 · E 6
31
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 8EY has 23 known premises and 31 planning records — 20 approved of 31 decided (64.5%). 12 EPC records.
Premises (18 of 23 shown)
Name
Details
UPRN 200063604
UPRN 200063606
UPRN 200063608
UPRN 200063610
UPRN 200063612
UPRN 200063614
UPRN 200063619
UPRN 200063621
UPRN 200063623
UPRN 200063625
UPRN 200063604
UPRN 200063606
UPRN 200063608
Show all 10 rows
UPRN 200063610
UPRN 200063612
UPRN 200063614
UPRN 200063619
UPRN 200063621
UPRN 200063623
UPRN 200063625
Planning
What happened?
31 planning applications across the postcode; 20 approved of 31 decided (64.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side/rear extension and installation of glazed doors to rear
27 Hillcourt Avenue London N12 8EY · premises record
Householder Application
Approved
2024-01-31
Roof extension involving hip to gable with side gable window, rear dormer window, 2no front facing rooflights and 2no side windows at first floor
35 Hillcourt Avenue London N12 8EY · premises record
Proposed Lawful Development Certificate
Approved
2022-03-31
Roof extension involving hip to gable, rear dormer window, 2no front facing rooflights and new side gable window
35 Hillcourt Avenue London N12 8EY · premises record
Proposed Lawful Development Certificate
Refused
2022-01-18
Part single, part two storey rear extension
9 Hillcourt Avenue London N12 8EY · premises record
Householder Application
Approved
2021-01-29
Roof extension involving hip to gable, rear dormer window with Juliet balcony and 4no front facing rooflights, 1no roof lantern. New front porch and rear outbuilding
9 Hillcourt Avenue London N12 8EY · premises record
Proposed Lawful Development Certificate
Approved
2020-12-23
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no rooflights to front elevation to facilitate a loft conversion
29 Hillcourt Avenue London N12 8EY · premises record
Proposed Lawful Development Certificate
Approved
2016-03-29
Extension to roof including rear dormer window and 2no rooflights to front elevation
21 Hillcourt Avenue London N12 8EY · premises record
Proposed Lawful Development Certificate
Approved
2015-11-24
Roof extension involving new dormer windows to both sides to facilitate a loft conversion and two new windows.
1 Hillcourt Avenue, London, N12 8EY · premises record
Applicant Mrs C Ikwuemesi · Officer Kate Den Teuling
Proposed Lawful Development Certificate
Approved
2014-02-17
Single storey front extension to garage.
29 Hillcourt Avenue, London, N12 8EY · premises record
Applicant Mr M Michaels · Officer James Stone
Full Application
Refused
2013-05-29
Conversion of garage into habitable room.
35 Hillcourt Avenue, London, N12 8EY · premises record
Proposed Lawful Development Certificate
Approved
2011-06-19
Single storey side/rear extension and installation of glazed doors to rear
27 Hillcourt Avenue London N12 8EY · premises record
Approved
2024-01-31
More
Householder Application
Roof extension involving hip to gable with side gable window, rear dormer window, 2no front facing rooflights and 2no side windows at first floor
35 Hillcourt Avenue London N12 8EY · premises record
Approved
2022-03-31
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer window, 2no front facing rooflights and new side gable window
35 Hillcourt Avenue London N12 8EY · premises record
Refused
2022-01-18
More
Proposed Lawful Development Certificate
Show all 10 rows
Part single, part two storey rear extension
9 Hillcourt Avenue London N12 8EY · premises record
Approved
2021-01-29
More
Householder Application
Roof extension involving hip to gable, rear dormer window with Juliet balcony and 4no front facing rooflights, 1no roof lantern. New front porch and rear outbuilding
9 Hillcourt Avenue London N12 8EY · premises record
Approved
2020-12-23
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no rooflights to front elevation to facilitate a loft conversion
29 Hillcourt Avenue London N12 8EY · premises record
Approved
2016-03-29
More
Proposed Lawful Development Certificate
Extension to roof including rear dormer window and 2no rooflights to front elevation
21 Hillcourt Avenue London N12 8EY · premises record
Approved
2015-11-24
More
Proposed Lawful Development Certificate
Roof extension involving new dormer windows to both sides to facilitate a loft conversion and two new windows.
1 Hillcourt Avenue, London, N12 8EY · premises record
Applicant Mrs C Ikwuemesi · Officer Kate Den Teuling
Approved
2014-02-17
More
Proposed Lawful Development Certificate
Single storey front extension to garage.
29 Hillcourt Avenue, London, N12 8EY · premises record
Applicant Mr M Michaels · Officer James Stone
Refused
2013-05-29
More
Full Application
Conversion of garage into habitable room.
35 Hillcourt Avenue, London, N12 8EY · premises record
Approved
2011-06-19
More
Proposed Lawful Development Certificate
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 23 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 23 of 23 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 23 of 23 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 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 2 applications
Applicant on 2 applications
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 precedent31 applications and 31 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings D: 6, E: 6.
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.