Postcode record · Barnet
N20 0JT.
N20 0JT has 26 known premises and 32 planning records — 21 approved of 31 decided (67.7%). 14 EPC records.
Postcode N20 0JT · boundary not held, centred on the postcodeApprovedRefusedOther32 exact6 approximate38 on the map — every match
At a glance · this postcodeBarnet profile →
26
Premises
known addresses (UPRNs)
32
Applications
31 decided
67.7%
Approval rate
21 approved · 8 refused
14
EPC records
ratings D 5 · E 9
38
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 0JT has 26 known premises and 32 planning records — 21 approved of 31 decided (67.7%). 14 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 200106343
UPRN 200106345
UPRN 200106346
UPRN 200106347
UPRN 200106348
UPRN 200106349
UPRN 200106350
UPRN 200106351
UPRN 200106352
UPRN 200106353
UPRN 200106343
UPRN 200106345
UPRN 200106346
Show all 10 rows
UPRN 200106347
UPRN 200106348
UPRN 200106349
UPRN 200106350
UPRN 200106351
UPRN 200106352
UPRN 200106353
Planning
What happened?
32 planning applications across the postcode; 21 approved of 31 decided (67.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of 1no. 10m wooden pole
O/S 24 And 26 St James Avenue London N20 0JT · premises record
Licence Notification
Not required
2024-08-27
Conversion of the existing garage into habitable room, insertion of the window to replace the existing garage door
18 St James Avenue London N20 0JT · premises record
Officer Zaneb Hussain
Householder Application
Approved
2022-11-02
Single storey side extension following demolition of existing garage (amended description)
32 St James Avenue London N20 0JT · premises record
Officer Diva Almaputri
Householder Application
Approved
2022-04-14
Single storey rear extension
14 St James Avenue London N20 0JT · premises record
Officer Tania Sa Cordeiro
Householder Application
Approved
2020-09-16
Two storey side including conversion of garage into habitable room. Changes to side fenestration
32 St James Avenue London N20 0JT · premises record
Officer Erica Mason
Householder Application
Refused
2018-06-25
Two storey side and single storey rear extension including conversion of garage into habitable room. Changes to side fenestration
32 St James Avenue London N20 0JT · premises record
Officer Erica Mason
Householder Application
Refused
2018-04-05
Single storey side and rear extension with new raised terrace area and access steps with glass balustrade
16 St James Avenue London N20 0JT · premises record
Householder Application
Approved
2017-05-03
Single storey rear extension
14 St James Avenue London N20 0JT · premises record
Officer Tania Sa Cordeiro
Full Application
Approved
2015-08-17
Single storey rear extension following demolition of existing garage
54 St James Avenue London N20 0JT · premises record
Officer Teodora Dimitrova
Householder Application
Approved
2015-06-09
Single storey side and rear extensions
54 St James Avenue London N20 0JT · premises record
Householder Application
Refused
2014-11-19
Installation of 1no. 10m wooden pole
O/S 24 And 26 St James Avenue London N20 0JT · premises record
Not required
2024-08-27
More
Licence Notification
Conversion of the existing garage into habitable room, insertion of the window to replace the existing garage door
18 St James Avenue London N20 0JT · premises record
Officer Zaneb Hussain
Approved
2022-11-02
More
Householder Application
Single storey side extension following demolition of existing garage (amended description)
32 St James Avenue London N20 0JT · premises record
Officer Diva Almaputri
Approved
2022-04-14
More
Householder Application
Show all 10 rows
Single storey rear extension
14 St James Avenue London N20 0JT · premises record
Officer Tania Sa Cordeiro
Approved
2020-09-16
More
Householder Application
Two storey side including conversion of garage into habitable room. Changes to side fenestration
32 St James Avenue London N20 0JT · premises record
Officer Erica Mason
Refused
2018-06-25
More
Householder Application
Two storey side and single storey rear extension including conversion of garage into habitable room. Changes to side fenestration
32 St James Avenue London N20 0JT · premises record
Officer Erica Mason
Refused
2018-04-05
More
Householder Application
Single storey side and rear extension with new raised terrace area and access steps with glass balustrade
16 St James Avenue London N20 0JT · premises record
Approved
2017-05-03
More
Householder Application
Single storey rear extension
14 St James Avenue London N20 0JT · premises record
Officer Tania Sa Cordeiro
Approved
2015-08-17
More
Full Application
Single storey rear extension following demolition of existing garage
54 St James Avenue London N20 0JT · premises record
Officer Teodora Dimitrova
Approved
2015-06-09
More
Householder Application
Single storey side and rear extensions
54 St James Avenue London N20 0JT · premises record
Refused
2014-11-19
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 26 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Friern Barnet seemed an unlikely area to settle, since there was dense woodland and heavy clay soil at Colney Hatch. It remained covered in wood and scrub until the early 19th century and was a rural area until World War I. However, an early medieval · reference 76761 · covers 3 of 26 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
Friern Barnet seemed an unlikely area to settle, since there was dense woodland and heavy clay soil at Colney Hatch. It remained covered in wood and scrub until the early 19th century and was a rural area until World War I. However, an early medieval · reference 76761 · covers 3 of 26 premises. Groundworks may require archaeological assessment or investigation.
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 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Case officer on 3 applications
Development
What could it become?
Planning precedent32 applications and 38 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings D: 5, E: 9.
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.