Postcode record · Barnet
N20 0JS.
N20 0JS has 10 known premises and 10 planning records — 6 approved of 10 decided (60%). 7 EPC records.
Postcode N20 0JS · boundary not held, centred on the postcodeApprovedRefusedOther10 on the map — every match
At a glance · this postcodeBarnet profile →
10
Premises
known addresses (UPRNs)
10
Applications
10 decided
60%
Approval rate
6 approved · 3 refused
74 days
Median decision time
average 99 days · 10 dated decisions
7
EPC records
ratings D 6 · E 1
10
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?
N20 0JS has 10 known premises and 10 planning records — 6 approved of 10 decided (60%). 7 EPC records.
Premises
Name
Details
UPRN 200106342
UPRN 200106360
UPRN 200106362
UPRN 200106364
UPRN 200106365
UPRN 200106366
UPRN 200106367
UPRN 200106369
UPRN 200106371
UPRN 200106373
UPRN 200106342
UPRN 200106360
UPRN 200106362
Show all 10 rows
UPRN 200106364
UPRN 200106365
UPRN 200106366
UPRN 200106367
UPRN 200106369
UPRN 200106371
UPRN 200106373
Planning
What happened?
10 planning applications across the postcode; 6 approved of 10 decided (60%). Latest 10 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Change of use from a Class C3 dwellinghouse to a Class C2 children's home for the care of up to three children
49 St James Avenue London N20 0JS · premises record
Officer Edith Leung
Full Application
Approved
2024-04-12
Single storey front extension and conversion of the existing garage into habitable room, insertion of window to replace garage door. Alterations to existing single storey rear extension fenestration and addition of 3no. flat roof rooflights. First floor front/side and rear extension. Roof extension involving rear dormer window and 1no. front facing rooflight
41 St James Avenue London N20 0JS · premises record
Officer Erica Mason
Householder Application
Approved
2022-02-18
First floor side and rear extension (Amended Proposal)
47 St James Avenue London N20 0JS · premises record
Officer Asha Chhabhaiya
Householder Application
Refused
2021-06-01
Alterations to roof including extension to ridge line and formation of rear dormer window to facilitate a loft conversion.
43 St James Avenue, London, N20 0JS · premises record
Officer Rachel Caplin
Proposed Lawful Development Certificate
Approved
2010-04-16
Alterations to roof including extension to ridge line and formation of rear dormer.
43 St James Avenue, London, N20 0JS · premises record
Officer Mary Kearns
Proposed Lawful Development Certificate
Refused
2010-01-18
First floor side and rear extension (Amended description)
47 St.James Avenue, London, N20 0JS · premises record
Officer Lisa Cheung
Full Application
Approved
2008-09-15
First floor side extension, ground floor front extension, first floor rear extension.
47 St.James Avenue, London, N20 0JS · premises record
Officer Lisa Cheung
Full Application
Withdrawn
2008-05-19
First floor side extension.
49 St James Avenue London N20 0JS · premises record
Full Application
Approved
2004-04-23
Use of Building as two separate dwellings.
33 St James Avenue London N20 0JS · premises record
Existing Lawful Development Certificate
Refused
2002-12-10
Conversion of garage to a habitable room including external alterations.
29 St James Avenue London N20 0JS · premises record
Full Application
Approved
2002-08-14
Change of use from a Class C3 dwellinghouse to a Class C2 children's home for the care of up to three children
49 St James Avenue London N20 0JS · premises record
Officer Edith Leung
Approved
2024-04-12
More
Full Application
Single storey front extension and conversion of the existing garage into habitable room, insertion of window to replace garage door. Alterations to existing single storey rear extension fenestration and addition of 3no. flat roof rooflights. First floor front/side and rear extension. Roof extension involving rear dormer window and 1no. front facing rooflight
41 St James Avenue London N20 0JS · premises record
Officer Erica Mason
Approved
2022-02-18
More
Householder Application
First floor side and rear extension (Amended Proposal)
47 St James Avenue London N20 0JS · premises record
Officer Asha Chhabhaiya
Refused
2021-06-01
More
Householder Application
Show all 10 rows
Alterations to roof including extension to ridge line and formation of rear dormer window to facilitate a loft conversion.
43 St James Avenue, London, N20 0JS · premises record
Officer Rachel Caplin
Approved
2010-04-16
More
Proposed Lawful Development Certificate
Alterations to roof including extension to ridge line and formation of rear dormer.
43 St James Avenue, London, N20 0JS · premises record
Officer Mary Kearns
Refused
2010-01-18
More
Proposed Lawful Development Certificate
First floor side and rear extension (Amended description)
47 St.James Avenue, London, N20 0JS · premises record
Officer Lisa Cheung
Approved
2008-09-15
More
Full Application
First floor side extension, ground floor front extension, first floor rear extension.
47 St.James Avenue, London, N20 0JS · premises record
Officer Lisa Cheung
Withdrawn
2008-05-19
More
Full Application
First floor side extension.
49 St James Avenue London N20 0JS · premises record
Approved
2004-04-23
More
Full Application
Use of Building as two separate dwellings.
33 St James Avenue London N20 0JS · premises record
Refused
2002-12-10
More
Existing Lawful Development Certificate
Conversion of garage to a habitable room including external alterations.
29 St James Avenue London N20 0JS · premises record
Approved
2002-08-14
More
Full 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 10 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 10 of 10 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 10 of 10 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 10 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Show all 6 rows
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent10 applications and 10 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings D: 6, 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.