Postcode record · Barnet
N20 8AA.
N20 8AA has 15 known premises and 120 planning records — 49 approved of 115 decided (42.6%). 10 EPC records.
Postcode N20 8AA · boundary not held, centred on the postcodeApprovedRefusedOther120 exact15 approximate135 on the map — every match
At a glance · this postcodeBarnet profile →
15
Premises
known addresses (UPRNs)
120
Applications
115 decided
42.6%
Approval rate
49 approved · 14 refused
10
EPC records
ratings B 1 · C 3 · D 5 · E 1
135
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 8AA has 15 known premises and 120 planning records — 49 approved of 115 decided (42.6%). 10 EPC records.
Premises
Name
Details
UPRN 200050135
UPRN 200050144
UPRN 200050145
UPRN 200050147
UPRN 200050149
UPRN 200050151
UPRN 200050153
UPRN 200050155
UPRN 200050157
UPRN 200050159
UPRN 200050135
UPRN 200050144
UPRN 200050145
Show all 10 rows
UPRN 200050147
UPRN 200050149
UPRN 200050151
UPRN 200050153
UPRN 200050155
UPRN 200050157
UPRN 200050159
Planning
What happened?
120 planning applications across the postcode; 49 approved of 115 decided (42.6%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
1 x Oak (applicants ref. T1) - Select crown reduction of up to 2 metres to balence crown and relieve weight for limbs.
11 Grange Avenue London N20 8AA · premises record
Trees: Notices of Intent
No determination
2025-10-28
Erection of a swimming pool in the rear garden
9 Grange Avenue London N20 8AA · premises record
Proposed Lawful Development Certificate
Approved
2025-09-25
Replacement of the existing front boundary wall and new sliding access gates. Removal of the front entrance canopy and installation of new portico with decorative stone banding around the main entrance (AMENDED DECSRIPTION)
9 Grange Avenue London N20 8AA · premises record
Householder Application
Approved
2025-09-18
1 x Tulip Tree (applicants ref. T1) - Crown lift 4m from ground level to allow more space under the tree and create room for the hedge. Reduce canopy by 1/1.5m to a natural and even canopy outline.
11 Grange Avenue London N20 8AA · premises record
Trees: Notices of Intent
No determination
2023-11-24
Demolition of the existing dwelling and erection of a new two storey dwelling with rooms in the roof space, basement level and intergral garage
9 Grange Avenue London N20 8AA · premises record
Full Application
Approved
2023-07-06
1 x Eucalyptus (applicants ref. T1) - Remove and replace at or near the location of the existing tree with a dawn redwood.
19 Grange Avenue London N20 8AA · premises record
Trees: Notices of Intent
No determination
2022-08-01
1 x Dead Cedar (Applicant's reference T1) - Fell
19 Grange Avenue London N20 8AA · premises record
Trees: Notices of Intent
No determination
2022-06-15
1 x Magnolia and 3 x Leyland Cypress - Fell; (1 x Palm - Fell)
9 Grange Avenue London N20 8AA · premises record
Trees: Notices of Intent
No determination
2021-05-25
Conversion of the existing garage into habitable room, insertion of new entrance door and window to replace the existing garage door. Single storey rear extension
5 Grange Avenue London N20 8AA · premises record
Householder Application
Refused
2021-05-13
Submission of details of condition 3 (External materials) 8 (Landscaping) pursuant to planning permission 18/4643/FUL dated 03/12/18
19 Grange Avenue London N20 8AA · premises record
Conditions
Approved
2020-08-07
1 x Oak (applicants ref. T1) - Select crown reduction of up to 2 metres to balence crown and relieve weight for limbs.
11 Grange Avenue London N20 8AA · premises record
No determination
2025-10-28
More
Trees: Notices of Intent
Erection of a swimming pool in the rear garden
9 Grange Avenue London N20 8AA · premises record
Approved
2025-09-25
More
Proposed Lawful Development Certificate
Replacement of the existing front boundary wall and new sliding access gates. Removal of the front entrance canopy and installation of new portico with decorative stone banding around the main entrance (AMENDED DECSRIPTION)
9 Grange Avenue London N20 8AA · premises record
Approved
2025-09-18
More
Householder Application
Show all 10 rows
1 x Tulip Tree (applicants ref. T1) - Crown lift 4m from ground level to allow more space under the tree and create room for the hedge. Reduce canopy by 1/1.5m to a natural and even canopy outline.
11 Grange Avenue London N20 8AA · premises record
No determination
2023-11-24
More
Trees: Notices of Intent
Demolition of the existing dwelling and erection of a new two storey dwelling with rooms in the roof space, basement level and intergral garage
9 Grange Avenue London N20 8AA · premises record
Approved
2023-07-06
More
Full Application
1 x Eucalyptus (applicants ref. T1) - Remove and replace at or near the location of the existing tree with a dawn redwood.
19 Grange Avenue London N20 8AA · premises record
No determination
2022-08-01
More
Trees: Notices of Intent
1 x Dead Cedar (Applicant's reference T1) - Fell
19 Grange Avenue London N20 8AA · premises record
No determination
2022-06-15
More
Trees: Notices of Intent
1 x Magnolia and 3 x Leyland Cypress - Fell; (1 x Palm - Fell)
9 Grange Avenue London N20 8AA · premises record
No determination
2021-05-25
More
Trees: Notices of Intent
Conversion of the existing garage into habitable room, insertion of new entrance door and window to replace the existing garage door. Single storey rear extension
5 Grange Avenue London N20 8AA · premises record
Refused
2021-05-13
More
Householder Application
Submission of details of condition 3 (External materials) 8 (Landscaping) pursuant to planning permission 18/4643/FUL dated 03/12/18
19 Grange Avenue London N20 8AA · premises record
Approved
2020-08-07
More
Conditions
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 15 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 15 of 15 premises. Some normally permitted changes may require planning permission.
Conservation Area
Totteridge · reference CA12 · covers 15 of 15 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 15 of 15 premises. Some normally permitted changes may require planning permission.
Conservation Area
Totteridge · reference CA12 · covers 15 of 15 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 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 2 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 precedent120 applications and 135 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings B: 1, C: 3, D: 5, 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.
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.