Postcode record · Barnet
N12 9HP.
N12 9HP has 22 known premises and 16 planning records — 10 approved of 16 decided (62.5%). 4 EPC records.
Postcode N12 9HP · boundary not held, centred on the postcodeApprovedRefusedOther16 exact4 approximate20 on the map — every match
At a glance · this postcodeBarnet profile →
22
Premises
known addresses (UPRNs)
16
Applications
16 decided
62.5%
Approval rate
10 approved · 3 refused
4
EPC records
ratings D 3 · E 1
20
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 9HP has 22 known premises and 16 planning records — 10 approved of 16 decided (62.5%). 4 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 200097082
UPRN 200097083
UPRN 200097084
UPRN 200097085
UPRN 200097088
UPRN 200097092
UPRN 200097094
UPRN 200097096
UPRN 200097098
UPRN 200097100
UPRN 200097082
UPRN 200097083
UPRN 200097084
Show all 10 rows
UPRN 200097085
UPRN 200097088
UPRN 200097092
UPRN 200097094
UPRN 200097096
UPRN 200097098
UPRN 200097100
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
Single storey rear extension with 2no. flat rooflights, following partial demolition of existing rear extension. New rear patio
11 Ravensdale Avenue London N12 9HP · premises record
Householder Application
Approved
2025-07-18
Roof extension involving rear hip to gable with juliette balcony, 1 no side dormer with windows, 1 no dormer to side roof slope, 1no front facing rooflight 1no. side facing roof light.
13 Ravensdale Avenue London N12 9HP · premises record
—
Approved
2021-04-21
Single storey rear extension. Conversion of the existing garage into habitable room. Alterations to roof including insertion of 1no front and 4no rear facing rooflights including side dormer. Amended Plans.
21A Ravensdale Avenue London N12 9HP · premises record
Householder Application
Approved
2019-08-20
Single storey rear extension, with 3no. rooflights, following demolition of existing outbuildings
5 Ravensdale Avenue London N12 9HP · premises record
Householder Application
Approved
2018-12-03
Single storey side and rear extension. New patio area
25 Ravensdale Avenue London N12 9HP · premises record
Householder Application
Approved
2016-09-12
Hip to gable and rear dormer window to facilitate a loft conversion.
11 Ravensdale Avenue, London, N12 9HP · premises record
Proposed Lawful Development Certificate
Approved
2010-11-17
Extensions to roof including rear dormers with railing to facilitate a loft conversion and front rooflights.
21 Ravensdale Avenue, London, N12 9HP · premises record
Proposed Lawful Development Certificate
Approved
2008-12-17
Loft conversion including rear dormer.
21 Ravensdale Avenue, London, N12 9HP · premises record
Proposed Lawful Development Certificate
Refused
2008-10-07
New pitch roof and dormer window to form 2nd floor. Conversion of garage into habitable room.
21 Ravensdale Avenue, London, N12 9HP · premises record
Applicant K Wu · Officer Historic Planning Officer
Proposed Lawful Development Certificate
Withdrawn
2008-05-23
New pitch roof and rear dormer window to form second floor.
21 Ravensdale Avenue, London, N12 9HP · premises record
Proposed Lawful Development Certificate
Refused
2008-05-12
Single storey rear extension with 2no. flat rooflights, following partial demolition of existing rear extension. New rear patio
11 Ravensdale Avenue London N12 9HP · premises record
Approved
2025-07-18
More
Householder Application
Roof extension involving rear hip to gable with juliette balcony, 1 no side dormer with windows, 1 no dormer to side roof slope, 1no front facing rooflight 1no. side facing roof light.
13 Ravensdale Avenue London N12 9HP · premises record
Approved
2021-04-21
More
—
Single storey rear extension. Conversion of the existing garage into habitable room. Alterations to roof including insertion of 1no front and 4no rear facing rooflights including side dormer. Amended Plans.
21A Ravensdale Avenue London N12 9HP · premises record
Approved
2019-08-20
More
Householder Application
Show all 10 rows
Single storey rear extension, with 3no. rooflights, following demolition of existing outbuildings
5 Ravensdale Avenue London N12 9HP · premises record
Approved
2018-12-03
More
Householder Application
Single storey side and rear extension. New patio area
25 Ravensdale Avenue London N12 9HP · premises record
Approved
2016-09-12
More
Householder Application
Hip to gable and rear dormer window to facilitate a loft conversion.
11 Ravensdale Avenue, London, N12 9HP · premises record
Approved
2010-11-17
More
Proposed Lawful Development Certificate
Extensions to roof including rear dormers with railing to facilitate a loft conversion and front rooflights.
21 Ravensdale Avenue, London, N12 9HP · premises record
Approved
2008-12-17
More
Proposed Lawful Development Certificate
Loft conversion including rear dormer.
21 Ravensdale Avenue, London, N12 9HP · premises record
Refused
2008-10-07
More
Proposed Lawful Development Certificate
New pitch roof and dormer window to form 2nd floor. Conversion of garage into habitable room.
21 Ravensdale Avenue, London, N12 9HP · premises record
Applicant K Wu · Officer Historic Planning Officer
Withdrawn
2008-05-23
More
Proposed Lawful Development Certificate
New pitch roof and rear dormer window to form second floor.
21 Ravensdale Avenue, London, N12 9HP · premises record
Refused
2008-05-12
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 22 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 22 of 22 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 22 of 22 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 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 precedent16 applications and 20 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy4 EPC records; ratings D: 3, 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
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.