Postcode record · Barnet
N12 9NY.
N12 9NY has 29 known premises and 37 planning records — 26 approved of 36 decided (72.2%). 13 EPC records.
Postcode N12 9NY · boundary not held, centred on the postcodeApprovedRefusedOther37 exact37 on the map — every match
At a glance · this postcodeBarnet profile →
29
Premises
known addresses (UPRNs)
37
Applications
36 decided
72.2%
Approval rate
26 approved · 9 refused
13
EPC records
ratings D 5 · E 5 · F 2 · G 1
37
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 9NY has 29 known premises and 37 planning records — 26 approved of 36 decided (72.2%). 13 EPC records.
Premises (18 of 29 shown)
Name
Details
UPRN 200045508
UPRN 200045509
UPRN 200045565
UPRN 200045567
UPRN 200045569
UPRN 200045571
UPRN 200045573
UPRN 200045575
UPRN 200045577
UPRN 200045579
UPRN 200045508
UPRN 200045509
UPRN 200045565
Show all 10 rows
UPRN 200045567
UPRN 200045569
UPRN 200045571
UPRN 200045573
UPRN 200045575
UPRN 200045577
UPRN 200045579
Planning
What happened?
37 planning applications across the postcode; 26 approved of 36 decided (72.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
1 x Lebanese Cedar - Reduce the lowermost part of the crown by 5m x 6m without altering the shape or condition of the tree. Lift crown 6 m above ground where necessary, i.e. where the branches are currently reaching lower level than 6 m. Remove dead branches and thin lowest part of the canopy by no more than 20%. Standing in T3 of Tree Preservation Order.
37 Friern Watch Avenue London N12 9NY · premises record
Applicant Maja Jeremic · Officer Hugh Coggles
Works to TPO trees
Pending Consideration
2026-03-30
Changes to front facade including changes to fenestration following removal of the existing bay windows. New front pitched roof
39 Friern Watch Avenue London N12 9NY · premises record
Householder Application
Approved
2024-11-27
Part single, part two storey side and rear extension with 1no. roof lantern and 2no. rooflights following demolition of the existing side garage. Roof extension involving rear dormer window with front, rear and side rooflights
39 Friern Watch Avenue London N12 9NY · premises record
Householder Application
Approved
2024-06-03
Part single, part two storey side and rear extension following demolition of the existing side garage. Roof extension involving rear dormer window with front, rear and side rooflights
39 Friern Watch Avenue London N12 9NY · premises record
Applicant Shirdhar Sakharam, Radha Shridhar Mahadeshwar · Agent JSHAN Architectural Services · Officer Olivia Becci
Householder Application
Approved
2023-06-21
Part single, part two storey side and rear extension following demolition of the existing side garage
39 Friern Watch Avenue London N12 9NY · premises record
Applicant Shirdhar Sakharam And Radha Shridhar Mahadeshwar · Agent JSHAN Architectural Services · Officer Olivia Becci
Householder Application
Approved
2023-03-17
1 x Cedar - Remove dead branches only. T3 of Tree Preservation Order
37 Friern Watch Avenue London N12 9NY · premises record
—
Not required
2021-06-08
Roof extension involving hip to gable, rear dormer window 3no front facing rooflights and new side gable window
55 Friern Watch Avenue London N12 9NY · premises record
Proposed Lawful Development Certificate
Approved
2020-08-25
Front and rear extension of existing garage and conversion into habitable room, insertion of window to replace garage door. Extension to existing patio.
55 Friern Watch Avenue London N12 9NY · premises record
Householder Application
Approved
2018-11-02
Single storey side and rear extension following demolition of existing utility room. Extension to existing decking [amended description]
57 Friern Watch Avenue London N12 9NY · premises record
Householder Application
Approved
2018-10-09
Roof extension including rear dormer window
67 Friern Watch Avenue London N12 9NY · premises record
Householder Application
Approved
2017-06-22
1 x Lebanese Cedar - Reduce the lowermost part of the crown by 5m x 6m without altering the shape or condition of the tree. Lift crown 6 m above ground where necessary, i.e. where the branches are currently reaching lower level than 6 m. Remove dead branches and thin lowest part of the canopy by no more than 20%. Standing in T3 of Tree Preservation Order.
37 Friern Watch Avenue London N12 9NY · premises record
Applicant Maja Jeremic · Officer Hugh Coggles
Pending Consideration
2026-03-30
More
Works to TPO trees
Changes to front facade including changes to fenestration following removal of the existing bay windows. New front pitched roof
39 Friern Watch Avenue London N12 9NY · premises record
Approved
2024-11-27
More
Householder Application
Part single, part two storey side and rear extension with 1no. roof lantern and 2no. rooflights following demolition of the existing side garage. Roof extension involving rear dormer window with front, rear and side rooflights
39 Friern Watch Avenue London N12 9NY · premises record
Approved
2024-06-03
More
Householder Application
Show all 10 rows
Part single, part two storey side and rear extension following demolition of the existing side garage. Roof extension involving rear dormer window with front, rear and side rooflights
39 Friern Watch Avenue London N12 9NY · premises record
Applicant Shirdhar Sakharam, Radha Shridhar Mahadeshwar · Agent JSHAN Architectural Services · Officer Olivia Becci
Approved
2023-06-21
More
Householder Application
Part single, part two storey side and rear extension following demolition of the existing side garage
39 Friern Watch Avenue London N12 9NY · premises record
Applicant Shirdhar Sakharam And Radha Shridhar Mahadeshwar · Agent JSHAN Architectural Services · Officer Olivia Becci
Approved
2023-03-17
More
Householder Application
1 x Cedar - Remove dead branches only. T3 of Tree Preservation Order
37 Friern Watch Avenue London N12 9NY · premises record
Not required
2021-06-08
More
—
Roof extension involving hip to gable, rear dormer window 3no front facing rooflights and new side gable window
55 Friern Watch Avenue London N12 9NY · premises record
Approved
2020-08-25
More
Proposed Lawful Development Certificate
Front and rear extension of existing garage and conversion into habitable room, insertion of window to replace garage door. Extension to existing patio.
55 Friern Watch Avenue London N12 9NY · premises record
Approved
2018-11-02
More
Householder Application
Single storey side and rear extension following demolition of existing utility room. Extension to existing decking [amended description]
57 Friern Watch Avenue London N12 9NY · premises record
Approved
2018-10-09
More
Householder Application
Roof extension including rear dormer window
67 Friern Watch Avenue London N12 9NY · premises record
Approved
2017-06-22
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 29 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 29 of 29 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 29 of 29 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 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 1 application
Applicant on 2 applications
Applicant on 1 application
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 precedent37 applications and 37 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings D: 5, E: 5, F: 2, G: 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
The Developer PlanOwnership, 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.