Postcode record · Barnet
N12 8EJ.
N12 8EJ has 30 known premises and 21 planning records — 17 approved of 21 decided (81%). 15 EPC records.
Postcode N12 8EJ · boundary not held, centred on the postcodeApprovedRefusedOther21 exact1 approximate22 on the map — every match
At a glance · this postcodeBarnet profile →
30
Premises
known addresses (UPRNs)
21
Applications
21 decided
81%
Approval rate
17 approved · 2 refused
15
EPC records
ratings B 2 · C 3 · D 6 · E 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 8EJ has 30 known premises and 21 planning records — 17 approved of 21 decided (81%). 15 EPC records.
Premises (18 of 30 shown)
Name
Details
UPRN 200005823
UPRN 200005842
UPRN 200005843
UPRN 200005844
UPRN 200005845
UPRN 200005846
UPRN 200005847
UPRN 200005848
UPRN 200005849
UPRN 200005850
UPRN 200005823
UPRN 200005842
UPRN 200005843
Show all 10 rows
UPRN 200005844
UPRN 200005845
UPRN 200005846
UPRN 200005847
UPRN 200005848
UPRN 200005849
UPRN 200005850
Planning
What happened?
21 planning applications across the postcode; 17 approved of 21 decided (81%). Latest 21 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Loft extension involving rear dormer with Juliet balcony, 1no side facing rooflight and 1no front facing rooflight
20A Avondale Avenue London N12 8EJ · premises record
Full Application
Approved
2020-02-24
Replacement of the existing raised decking including a raised fence and a small window
6 Avondale Avenue London N12 8EJ · premises record
Applicant Ms Rana Ilgaz · Officer Syndsey Ballet
Full Application
Approved
2019-11-29
Rear dormer with 1no. juliette balcony and 1no. roof lights to front and to side roofslopes
14B Avondale Avenue London N12 8EJ · premises record
Full Application
Approved
2019-06-04
Roof extension involving hip to gable, rear dormer window, 1no. rooflights to front elevation to facilitate a loft conversion
2 Avondale Avenue London N12 8EJ · premises record
Applicant Mr & Mrs Chrysaphiades · Agent Domus Architects & Project Managers Ltd
Proposed Lawful Development Certificate
Approved
2017-12-11
Extension to roof including rear dormer window with juliette balcony, 1no side dormer window with obscure glazing , 3no roof lights to front elevation to existing first floor flat
16A Avondale Avenue London N12 8EJ · premises record
Applicant Mr Vijay Bakrania · Officer Tania Sa Cordeiro
Full Application
Approved
2017-05-11
Single storey rear extension with new access steps
12 Avondale Avenue London N12 8EJ · premises record
Applicant Mr Peter and Mrs Christine Wagstaff · Agent Brill + Owen Architects
Householder Application
Approved
2017-04-27
Roof extension involving rear and side dormer window to facilitate a loft conversion. Alterations to fenestration to first floor side elevation facing no.18. Removal of chimney breast.
16A Avondale Avenue London N12 8EJ · premises record
Full Application
Approved
2015-07-15
Part single, part two storey side and rear extension including rooms in the roofspace with rear dormer window and 2no. rooflights to side and alterations and extension to main roof including rear dormer window and 2no. rooflights to front to facilitate a loft conversion following demolition of existing two storey side extension. Conversion of property into 5no. self-contained flats and provision of associated amenity space
22 And 22A Avondale Avenue London N12 8EJ · premises record
Full Application
Approved
2015-07-06
Conversion of residential dwelling into 3 self-contained flats including extension to roof with 2 no. rear dormers to facilitate a loft conversion.
22 Avondale Avenue, London, N12 8EJ · premises record
Full Application
Withdrawn
2013-12-24
Retention of single storey outbuilding to rear garden.
22 Avondale Avenue, London, N12 8EJ · premises record
Householder Application
Approved
2013-06-11
Loft extension involving rear dormer with Juliet balcony, 1no side facing rooflight and 1no front facing rooflight
20A Avondale Avenue London N12 8EJ · premises record
Approved
2020-02-24
More
Full Application
Replacement of the existing raised decking including a raised fence and a small window
6 Avondale Avenue London N12 8EJ · premises record
Applicant Ms Rana Ilgaz · Officer Syndsey Ballet
Approved
2019-11-29
More
Full Application
Rear dormer with 1no. juliette balcony and 1no. roof lights to front and to side roofslopes
14B Avondale Avenue London N12 8EJ · premises record
Approved
2019-06-04
More
Full Application
Show all 10 rows
Roof extension involving hip to gable, rear dormer window, 1no. rooflights to front elevation to facilitate a loft conversion
2 Avondale Avenue London N12 8EJ · premises record
Applicant Mr & Mrs Chrysaphiades · Agent Domus Architects & Project Managers Ltd
Approved
2017-12-11
More
Proposed Lawful Development Certificate
Extension to roof including rear dormer window with juliette balcony, 1no side dormer window with obscure glazing , 3no roof lights to front elevation to existing first floor flat
16A Avondale Avenue London N12 8EJ · premises record
Applicant Mr Vijay Bakrania · Officer Tania Sa Cordeiro
Approved
2017-05-11
More
Full Application
Single storey rear extension with new access steps
12 Avondale Avenue London N12 8EJ · premises record
Applicant Mr Peter and Mrs Christine Wagstaff · Agent Brill + Owen Architects
Approved
2017-04-27
More
Householder Application
Roof extension involving rear and side dormer window to facilitate a loft conversion. Alterations to fenestration to first floor side elevation facing no.18. Removal of chimney breast.
16A Avondale Avenue London N12 8EJ · premises record
Approved
2015-07-15
More
Full Application
Part single, part two storey side and rear extension including rooms in the roofspace with rear dormer window and 2no. rooflights to side and alterations and extension to main roof including rear dormer window and 2no. rooflights to front to facilitate a loft conversion following demolition of existing two storey side extension. Conversion of property into 5no. self-contained flats and provision of associated amenity space
22 And 22A Avondale Avenue London N12 8EJ · premises record
Approved
2015-07-06
More
Full Application
Conversion of residential dwelling into 3 self-contained flats including extension to roof with 2 no. rear dormers to facilitate a loft conversion.
22 Avondale Avenue, London, N12 8EJ · premises record
Withdrawn
2013-12-24
More
Full Application
Retention of single storey outbuilding to rear garden.
22 Avondale Avenue, London, N12 8EJ · premises record
Approved
2013-06-11
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 30 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 30 of 30 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 30 of 30 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 21 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 5 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 5 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 precedent21 applications and 22 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings B: 2, C: 3, D: 6, E: 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
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.
4 intent signals recorded in this postcode
Repeat sale · Price decline · 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.