Postcode record · Barnet
N20 9DE.
N20 9DE has 16 known premises and 40 planning records — 32 approved of 40 decided (80%). 10 EPC records.
Postcode N20 9DE · boundary not held, centred on the postcodeApprovedRefusedOther40 on the map — every match
At a glance · this postcodeBarnet profile →
16
Premises
known addresses (UPRNs)
40
Applications
40 decided
80%
Approval rate
32 approved · 6 refused
10
EPC records
ratings C 1 · D 6 · E 3
40
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 9DE has 16 known premises and 40 planning records — 32 approved of 40 decided (80%). 10 EPC records.
Premises
Name
Details
UPRN 200017426
UPRN 200017428
UPRN 200017430
UPRN 200017432
UPRN 200017434
UPRN 200017436
UPRN 200017438
UPRN 200017440
UPRN 200017442
UPRN 200017444
UPRN 200017426
UPRN 200017428
UPRN 200017430
Show all 10 rows
UPRN 200017432
UPRN 200017434
UPRN 200017436
UPRN 200017438
UPRN 200017440
UPRN 200017442
UPRN 200017444
Planning
What happened?
40 planning applications across the postcode; 32 approved of 40 decided (80%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving hip to gable and rear dormer with juliette balcony to replace existing dormer
30 Buckingham Avenue London N20 9DE · premises record
Officer Joshua Cheng
Proposed Lawful Development Certificate
Approved
2022-06-10
Part single, part two-storey side and single storey rear extension following demolition of existing garage and conservatory. Extension to roof including larger dormer window. New stepped side access (AMENDED PROPOSAL)
30 Buckingham Avenue London N20 9DE · premises record
Officer Asha Chhabhaiya
Householder Application
Approved
2022-06-10
Single storey front extension including new front porch
54 Buckingham Avenue London N20 9DE · premises record
Householder
Approved
2022-05-09
First floor rear extension. New roof to existing first floor side extension.
54 Buckingham Avenue London N20 9DE · premises record
Officer Jade Gillespie
Householder Application
Approved
2021-02-22
Single storey rear extension
54 Buckingham Avenue London N20 9DE · premises record
Officer Helen McGuinness
Householder Application
Approved
2020-11-13
Roof extension involving hip to gable, rear dormer window, additional front roof light and new side gable window
54 Buckingham Avenue London N20 9DE · premises record
Officer Helen McGuinness
Proposed Lawful Development Certificate
Approved
2020-09-17
Two storey side extension to no.50. Part single, part two storey rear extension to both properties
50-52 Buckingham Avenue London N20 9DE · premises record
Officer Agnes Wanja
Householder Application
Approved
2018-12-18
Single storey rear extension with new access steps. Erection of rear outbuilding
42 Buckingham Avenue London N20 9DE · premises record
Officer Sofie Fieldsend
Householder Application
Approved
2017-04-20
Part single part two storey rear extension. Two storey side extension, single storey front extension including new front porch
40 Buckingham Avenue London N20 9DE · premises record
Officer Erica Mason
Householder Application
Approved
2016-05-05
Single storey rear extension
42 Buckingham Avenue London N20 9DE · premises record
Officer Sofie Fieldsend
Householder Application
Approved
2016-04-20
Roof extension involving hip to gable and rear dormer with juliette balcony to replace existing dormer
30 Buckingham Avenue London N20 9DE · premises record
Officer Joshua Cheng
Approved
2022-06-10
More
Proposed Lawful Development Certificate
Part single, part two-storey side and single storey rear extension following demolition of existing garage and conservatory. Extension to roof including larger dormer window. New stepped side access (AMENDED PROPOSAL)
30 Buckingham Avenue London N20 9DE · premises record
Officer Asha Chhabhaiya
Approved
2022-06-10
More
Householder Application
Single storey front extension including new front porch
54 Buckingham Avenue London N20 9DE · premises record
Approved
2022-05-09
More
Householder
Show all 10 rows
First floor rear extension. New roof to existing first floor side extension.
54 Buckingham Avenue London N20 9DE · premises record
Officer Jade Gillespie
Approved
2021-02-22
More
Householder Application
Single storey rear extension
54 Buckingham Avenue London N20 9DE · premises record
Officer Helen McGuinness
Approved
2020-11-13
More
Householder Application
Roof extension involving hip to gable, rear dormer window, additional front roof light and new side gable window
54 Buckingham Avenue London N20 9DE · premises record
Officer Helen McGuinness
Approved
2020-09-17
More
Proposed Lawful Development Certificate
Two storey side extension to no.50. Part single, part two storey rear extension to both properties
50-52 Buckingham Avenue London N20 9DE · premises record
Officer Agnes Wanja
Approved
2018-12-18
More
Householder Application
Single storey rear extension with new access steps. Erection of rear outbuilding
42 Buckingham Avenue London N20 9DE · premises record
Officer Sofie Fieldsend
Approved
2017-04-20
More
Householder Application
Part single part two storey rear extension. Two storey side extension, single storey front extension including new front porch
40 Buckingham Avenue London N20 9DE · premises record
Officer Erica Mason
Approved
2016-05-05
More
Householder Application
Single storey rear extension
42 Buckingham Avenue London N20 9DE · premises record
Officer Sofie Fieldsend
Approved
2016-04-20
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 16 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 16 of 16 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 16 of 16 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
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
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 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 10 rows
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 1 application
Development
What could it become?
Planning precedent40 applications and 40 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 1, D: 6, E: 3.
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.