Postcode record · Barnet
N20 9AB.
N20 9AB has 84 known premises and 80 planning records — 60 approved of 80 decided (75%). 32 EPC records.
Postcode N20 9AB · boundary not held, centred on the postcodeApprovedRefusedOther84 exact1 approximate85 on the map — every match
At a glance · this postcodeBarnet profile →
84
Premises
known addresses (UPRNs)
80
Applications
80 decided
75%
Approval rate
60 approved · 14 refused
32
EPC records
ratings B 1 · C 6 · D 20 · E 4 · F 1
85
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 9AB has 84 known premises and 80 planning records — 60 approved of 80 decided (75%). 32 EPC records.
Premises (18 of 84 shown)
Name
Details
UPRN 200087791
UPRN 200087792
UPRN 200087793
UPRN 200087794
UPRN 200087795
UPRN 200087796
UPRN 200087797
UPRN 200087798
UPRN 200087799
UPRN 200087800
UPRN 200087791
UPRN 200087792
UPRN 200087793
Show all 10 rows
UPRN 200087794
UPRN 200087795
UPRN 200087796
UPRN 200087797
UPRN 200087798
UPRN 200087799
UPRN 200087800
Planning
What happened?
80 planning applications across the postcode; 60 approved of 80 decided (75%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Variation of condition 1 (Approved plans) 3 (Materials) pursuant to planning permission 25/1604/HSE dated 05/06/2025 for `Roof extension involving rear dormer window and 2no. front facing rooflights.` Amendments include change of material on the rear elevation from tile to zinc
52 Oakleigh Gardens London N20 9AB · premises record
Applicant Miss Hana Otten · Officer Asha Chhabhaiya
Vary/Remove condition/Minor Mtl Amnd
Approved
2026-03-16
Non material amendment to planning permission 25/1604/HSE dated 05/06/2025 for `Roof extension involving rear dormer window and 2no. front facing rooflights.` Amendments include change of material on the rear elevation from tile to zinc
52 Oakleigh Gardens London N20 9AB · premises record
Applicant Miss Hana Otten · Officer Christian Gonito
Non Material Amendment
Withdrawn
2026-02-10
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no front facing rooflights (amended description)
46 Oakleigh Gardens London N20 9AB · premises record
—
Approved
2025-07-18
Single storey side/rear extension and conversion of the garage into habitable room.
46 Oakleigh Gardens London N20 9AB · premises record
Householder Application
Approved
2025-05-01
Roof extension involving rear dormer window and 2no. front facing rooflights
52 Oakleigh Gardens London N20 9AB · premises record
Applicant Miss Hana Otten · Officer Christian Gonito
Householder Application
Approved
2025-04-14
Single storey rear extension with 2no. roof lanterns following demolition of the existing conservatory
17 Oakleigh Gardens London N20 9AB · premises record
Applicant Mr James Buckwell · Officer Tabitha Hannam
Householder Application
Approved
2025-02-24
Single storey rear extension with 2no. roof lanterns following demolition of the existing conservatory
17 Oakleigh Gardens London N20 9AB · premises record
Proposed Lawful Development Certificate
Refused
2025-01-24
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
20 Oakleigh Gardens London N20 9AB · premises record
Proposed Lawful Development Certificate
Approved
2024-07-05
Single storey rear extension
59 Oakleigh Gardens London N20 9AB · premises record
Householder Application
Approved
2024-05-23
Roof extension involving hip to gable, rear dormer with juliette balcony, 4no front facing rooflights and new side gable window. Removal of 1no chimney (Amended Description)
24 Oakleigh Gardens London N20 9AB · premises record
Proposed Lawful Development Certificate
Approved
2024-01-15
Variation of condition 1 (Approved plans) 3 (Materials) pursuant to planning permission 25/1604/HSE dated 05/06/2025 for `Roof extension involving rear dormer window and 2no. front facing rooflights.` Amendments include change of material on the rear elevation from tile to zinc
52 Oakleigh Gardens London N20 9AB · premises record
Applicant Miss Hana Otten · Officer Asha Chhabhaiya
Approved
2026-03-16
More
Vary/Remove condition/Minor Mtl Amnd
Non material amendment to planning permission 25/1604/HSE dated 05/06/2025 for `Roof extension involving rear dormer window and 2no. front facing rooflights.` Amendments include change of material on the rear elevation from tile to zinc
52 Oakleigh Gardens London N20 9AB · premises record
Applicant Miss Hana Otten · Officer Christian Gonito
Withdrawn
2026-02-10
More
Non Material Amendment
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no front facing rooflights (amended description)
46 Oakleigh Gardens London N20 9AB · premises record
Approved
2025-07-18
More
—
Show all 10 rows
Single storey side/rear extension and conversion of the garage into habitable room.
46 Oakleigh Gardens London N20 9AB · premises record
Approved
2025-05-01
More
Householder Application
Roof extension involving rear dormer window and 2no. front facing rooflights
52 Oakleigh Gardens London N20 9AB · premises record
Applicant Miss Hana Otten · Officer Christian Gonito
Approved
2025-04-14
More
Householder Application
Single storey rear extension with 2no. roof lanterns following demolition of the existing conservatory
17 Oakleigh Gardens London N20 9AB · premises record
Applicant Mr James Buckwell · Officer Tabitha Hannam
Approved
2025-02-24
More
Householder Application
Single storey rear extension with 2no. roof lanterns following demolition of the existing conservatory
17 Oakleigh Gardens London N20 9AB · premises record
Refused
2025-01-24
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
20 Oakleigh Gardens London N20 9AB · premises record
Approved
2024-07-05
More
Proposed Lawful Development Certificate
Single storey rear extension
59 Oakleigh Gardens London N20 9AB · premises record
Approved
2024-05-23
More
Householder Application
Roof extension involving hip to gable, rear dormer with juliette balcony, 4no front facing rooflights and new side gable window. Removal of 1no chimney (Amended Description)
24 Oakleigh Gardens London N20 9AB · premises record
Approved
2024-01-15
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 84 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 84 of 84 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
This APA consists of two sections: A) Totteridge The area probably originated in the Saxon period, based on its name, which can be denoted as Tata’s ridge (drier land ridge). Copped Hall was first mentioned in the 16th century and it has · reference 76165 · covers 40 of 84 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 84 of 84 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
This APA consists of two sections: A) Totteridge The area probably originated in the Saxon period, based on its name, which can be denoted as Tata’s ridge (drier land ridge). Copped Hall was first mentioned in the 16th century and it has · reference 76165 · covers 40 of 84 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 3 applications
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 3 applications
Applicant on 2 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent80 applications and 85 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy32 EPC records; ratings B: 1, C: 6, D: 20, E: 4, 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.
14 intent signals recorded in this postcode
EPC F/G · Long hold · Ageing director
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.