Postcode record · Barnet
N12 9NN.
N12 9NN has 23 known premises and 36 planning records — 18 approved of 36 decided (50%). 15 EPC records.
Postcode N12 9NN · boundary not held, centred on the postcodeApprovedRefusedOther36 exact36 on the map — every match
At a glance · this postcodeBarnet profile →
23
Premises
known addresses (UPRNs)
36
Applications
36 decided
50%
Approval rate
18 approved · 10 refused
15
EPC records
ratings C 3 · D 10 · E 1 · F 1
36
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 9NN has 23 known premises and 36 planning records — 18 approved of 36 decided (50%). 15 EPC records.
Premises (18 of 23 shown)
Name
Details
UPRN 200129281
UPRN 200129283
UPRN 200129285
UPRN 200129287
UPRN 200129289
UPRN 200129291
UPRN 200129293
UPRN 200129295
UPRN 200129297
UPRN 200129299
UPRN 200129281
UPRN 200129283
UPRN 200129285
Show all 10 rows
UPRN 200129287
UPRN 200129289
UPRN 200129291
UPRN 200129293
UPRN 200129295
UPRN 200129297
UPRN 200129299
Planning
What happened?
36 planning applications across the postcode; 18 approved of 36 decided (50%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of the existing dwelling into 3no. self-contained flats including single storey rear extension with new terrace area following demolition of the existing conservatory, new pitched roof over the existing two storey rear projection and roof extension involving rear dormer window with juliette balcony and 3no. side facing rooflights. Associated amenity space, refuse/recycling and cycle storage and new vehicular access to provide off-street parking
159 Woodhouse Road London N12 9NN · premises record
Full Application
Refused
2025-06-09
Erection of a single storey dwelling. Associated amenity space, refuse/recycling and cycle storage (Partially Retrospective ApplicatIon)
Rear Of 157 Woodhouse Road London N12 9NN · premises record
Full
Withdrawn
2024-02-20
Demolition of existing garages and erection of new rear outbuilding
157 Woodhouse Road London N12 9NN · premises record
Applicant Hussain · Officer Vruti Parmar
Proposed Lawful Development Certificate
Refused
2024-02-05
Excavation of front garden to create new front hardstanding to accommodate refuse/recycling and cycle storage. New front wall
163 Woodhouse Road London N12 9NN · premises record
Householder Application
Approved
2023-04-12
Installation of a rear air source heat pump
163 Woodhouse Road London N12 9NN · premises record
Householder Application
Approved
2023-02-28
Single storey rear extension with 4no. rooflights
163 Woodhouse Road London N12 9NN · premises record
Proposed Lawful Development Certificate
Approved
2022-11-25
Roof extension involving rear dormer with juliette balcony, 3no. front facing rooflights. Replacement of existing front door with new timber door. Changes to fenestration (Amended Description)
163 Woodhouse Road London N12 9NN · premises record
Proposed Lawful Development Certificate
Approved
2022-11-08
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, maximum height of 3.00 metres and eaves height of 3.00 metres
163 Woodhouse Road London N12 9NN · premises record
Prior Approval
Not required
2022-10-25
Roof extension involving rear dormer and 2no. front facing rooflights
153 Woodhouse Road London N12 9NN · premises record
—
Approved
2022-10-18
Single storey rear extension following demolition of the existing conservatory
167 Woodhouse Road London N12 9NN · premises record
Applicant Mr Harikrishan Alaiya · Officer Lizzy Ruta
Proposed Lawful Development Certificate
Approved
2022-09-13
Conversion of the existing dwelling into 3no. self-contained flats including single storey rear extension with new terrace area following demolition of the existing conservatory, new pitched roof over the existing two storey rear projection and roof extension involving rear dormer window with juliette balcony and 3no. side facing rooflights. Associated amenity space, refuse/recycling and cycle storage and new vehicular access to provide off-street parking
159 Woodhouse Road London N12 9NN · premises record
Refused
2025-06-09
More
Full Application
Erection of a single storey dwelling. Associated amenity space, refuse/recycling and cycle storage (Partially Retrospective ApplicatIon)
Rear Of 157 Woodhouse Road London N12 9NN · premises record
Withdrawn
2024-02-20
More
Full
Demolition of existing garages and erection of new rear outbuilding
157 Woodhouse Road London N12 9NN · premises record
Applicant Hussain · Officer Vruti Parmar
Refused
2024-02-05
More
Proposed Lawful Development Certificate
Show all 10 rows
Excavation of front garden to create new front hardstanding to accommodate refuse/recycling and cycle storage. New front wall
163 Woodhouse Road London N12 9NN · premises record
Approved
2023-04-12
More
Householder Application
Installation of a rear air source heat pump
163 Woodhouse Road London N12 9NN · premises record
Approved
2023-02-28
More
Householder Application
Single storey rear extension with 4no. rooflights
163 Woodhouse Road London N12 9NN · premises record
Approved
2022-11-25
More
Proposed Lawful Development Certificate
Roof extension involving rear dormer with juliette balcony, 3no. front facing rooflights. Replacement of existing front door with new timber door. Changes to fenestration (Amended Description)
163 Woodhouse Road London N12 9NN · premises record
Approved
2022-11-08
More
Proposed Lawful Development Certificate
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, maximum height of 3.00 metres and eaves height of 3.00 metres
163 Woodhouse Road London N12 9NN · premises record
Not required
2022-10-25
More
Prior Approval
Roof extension involving rear dormer and 2no. front facing rooflights
153 Woodhouse Road London N12 9NN · premises record
Approved
2022-10-18
More
—
Single storey rear extension following demolition of the existing conservatory
167 Woodhouse Road London N12 9NN · premises record
Applicant Mr Harikrishan Alaiya · Officer Lizzy Ruta
Approved
2022-09-13
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 4 applications
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 1 application
Applicant on 4 applications
Applicant on 3 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
Agent on 4 applications
Agent on 2 applications
Agent on 1 application
Development
What could it become?
Planning precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 3, D: 10, E: 1, F: 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.
4 intent signals recorded in this postcode
Beatable refusal · Application withdrawn · EPC F/G · 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.