Postcode record · Barnet
N20 0NL.
N20 0NL has 16 known premises and 45 planning records — 25 approved of 44 decided (56.8%). 5 EPC records.
Postcode N20 0NL · boundary not held, centred on the postcodeApprovedRefusedOther45 exact17 approximate62 on the map — every match
At a glance · this postcodeBarnet profile →
16
Premises
known addresses (UPRNs)
45
Applications
44 decided
56.8%
Approval rate
25 approved · 8 refused
5
EPC records
ratings C 2 · D 2 · E 1
62
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 0NL has 16 known premises and 45 planning records — 25 approved of 44 decided (56.8%). 5 EPC records.
Premises
Name
Details
UPRN 200035039
UPRN 200035051
UPRN 200044691
UPRN 200044693
UPRN 200044695
UPRN 200044697
UPRN 200044701
UPRN 200150344
UPRN 200162913
UPRN 200199185
UPRN 200035039
UPRN 200035051
UPRN 200044691
Show all 10 rows
UPRN 200044693
UPRN 200044695
UPRN 200044697
UPRN 200044701
UPRN 200150344
UPRN 200162913
UPRN 200199185
Planning
What happened?
45 planning applications across the postcode; 25 approved of 44 decided (56.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
1 x Oak (applicants ref. T1) - Reduce crown by 2-2.5m on all aspects (back to previous cuts, max dia cut 7cm). Standing in T19 of Tree Preservation Order. 1 x Lime (applicants ref. T2) - Reduce height down to the main fork in the trunk (approx 8m height reduction) and reduce lateral branches by 3m to maintain proportion. Standing in T18 of Tree Preservation Order.
152 Friern Barnet Lane London N20 0NL · premises record
Works to TPO trees
Approved
2026-03-13
Single storey front infill extension
146 Friern Barnet Lane London N20 0NL · premises record
Householder Application
Approved
2025-02-04
1 x Oak (applicants ref. T1) - Crown reduce south west side of crown by 2.5 meters back to suitable growth points. To be facilitated with use of MEWP to ensure these measurements are not exceeded. To provide clearance from building. Standing in T26 of Tree Preservation Order. 1 x HornbeamStanding (applicants ref. T3) - Fell to ground level and grind out stump. The tree has low amenity value and blocks access to the drive. Propose to replant with another Hornbeam 4 meters tall, 10-12cm dbh in standard form in the bed off to the right approx 5 meters away. Standing in T24 of Tree Preservation Order.
154 Friern Barnet Lane London N20 0NL · premises record
Works to TPO trees
Split
2022-10-25
1 x Horse Chestnut (applicant's ref. T1) - Reduce by 2-3m. T7 of Tree Preservation Order; 1 x Lime (applicant's ref. T2) - Reduce by 2m, Remove epicormic growth. T8 of Tree Preservation Order
144 Friern Barnet Lane London N20 0NL · premises record
Works to TPO trees
Approved
2020-10-13
1 x Lime (applicant's ref. T1) - Fell to Ground Level. T18 of Tree Preservation Order
152 Friern Barnet Lane London N20 0NL · premises record
Treeworks: Fell TPO tree(s)
Refused
2020-09-28
1 x Oak (applicant's ref. Number 1) - Lift to 3 metres above ground level, Prune to provide 2.5 metres clearance from the building face of 154 Friern Barnet Lane, London, N20 0NL, (deadwood). T26 of Tree Preservation Order; 1 x Lime and 2 x Hornbeam (applicant's ref. Number 2, Number 3 and Number 4) - Lift to 3 meters above ground level, (deadwood). T23, T24 and T25 of Tree Preservation Order
154 Friern Barnet Lane London N20 0NL · premises record
Works to TPO trees
Approved
2020-08-14
2 x Lime - Thin by 20%, Lift/remove epicormic growth to 2.5 metres above ground level. T6 and T8 of Tree Preservation Order; 1 x Horse Chestnut - Thin by 20%, Lift/remove epicormic growth to 2.5 metres above ground level. T7 of Tree Preservation Order
144 Friern Barnet Lane London N20 0NL · premises record
Works to TPO trees
Approved
2019-09-17
Single storey front and side extension incorporating new front porch. Changes to fenestration
148 Friern Barnet Lane London N20 0NL · premises record
Householder Application
Withdrawn
2018-06-12
Single storey front and side extension incorporating new front porch. Single storey side extension to existing orangery. Changes to fenestration. Alteration to existing rear dormer window to facilitate french doors and juliette balcony. New access steps to lower ground level
148 Friern Barnet Lane London N20 0NL · premises record
Householder Application
Withdrawn
2017-12-18
Erection of a two storey dwelling with basement level and sunken patio area. Single storey glazed corridor linking existing house
148 Friern Barnet Lane London N20 0NL · premises record
Applicant Mr & Mrs Jaff · Agent Sheldon Peever Studio
Full Application
Withdrawn
2017-12-12
1 x Oak (applicants ref. T1) - Reduce crown by 2-2.5m on all aspects (back to previous cuts, max dia cut 7cm). Standing in T19 of Tree Preservation Order. 1 x Lime (applicants ref. T2) - Reduce height down to the main fork in the trunk (approx 8m height reduction) and reduce lateral branches by 3m to maintain proportion. Standing in T18 of Tree Preservation Order.
152 Friern Barnet Lane London N20 0NL · premises record
Approved
2026-03-13
More
Works to TPO trees
Single storey front infill extension
146 Friern Barnet Lane London N20 0NL · premises record
Approved
2025-02-04
More
Householder Application
1 x Oak (applicants ref. T1) - Crown reduce south west side of crown by 2.5 meters back to suitable growth points. To be facilitated with use of MEWP to ensure these measurements are not exceeded. To provide clearance from building. Standing in T26 of Tree Preservation Order. 1 x HornbeamStanding (applicants ref. T3) - Fell to ground level and grind out stump. The tree has low amenity value and blocks access to the drive. Propose to replant with another Hornbeam 4 meters tall, 10-12cm dbh in standard form in the bed off to the right approx 5 meters away. Standing in T24 of Tree Preservation Order.
154 Friern Barnet Lane London N20 0NL · premises record
Split
2022-10-25
More
Works to TPO trees
Show all 10 rows
1 x Horse Chestnut (applicant's ref. T1) - Reduce by 2-3m. T7 of Tree Preservation Order; 1 x Lime (applicant's ref. T2) - Reduce by 2m, Remove epicormic growth. T8 of Tree Preservation Order
144 Friern Barnet Lane London N20 0NL · premises record
Approved
2020-10-13
More
Works to TPO trees
1 x Lime (applicant's ref. T1) - Fell to Ground Level. T18 of Tree Preservation Order
152 Friern Barnet Lane London N20 0NL · premises record
Refused
2020-09-28
More
Treeworks: Fell TPO tree(s)
1 x Oak (applicant's ref. Number 1) - Lift to 3 metres above ground level, Prune to provide 2.5 metres clearance from the building face of 154 Friern Barnet Lane, London, N20 0NL, (deadwood). T26 of Tree Preservation Order; 1 x Lime and 2 x Hornbeam (applicant's ref. Number 2, Number 3 and Number 4) - Lift to 3 meters above ground level, (deadwood). T23, T24 and T25 of Tree Preservation Order
154 Friern Barnet Lane London N20 0NL · premises record
Approved
2020-08-14
More
Works to TPO trees
2 x Lime - Thin by 20%, Lift/remove epicormic growth to 2.5 metres above ground level. T6 and T8 of Tree Preservation Order; 1 x Horse Chestnut - Thin by 20%, Lift/remove epicormic growth to 2.5 metres above ground level. T7 of Tree Preservation Order
144 Friern Barnet Lane London N20 0NL · premises record
Approved
2019-09-17
More
Works to TPO trees
Single storey front and side extension incorporating new front porch. Changes to fenestration
148 Friern Barnet Lane London N20 0NL · premises record
Withdrawn
2018-06-12
More
Householder Application
Single storey front and side extension incorporating new front porch. Single storey side extension to existing orangery. Changes to fenestration. Alteration to existing rear dormer window to facilitate french doors and juliette balcony. New access steps to lower ground level
148 Friern Barnet Lane London N20 0NL · premises record
Withdrawn
2017-12-18
More
Householder Application
Erection of a two storey dwelling with basement level and sunken patio area. Single storey glazed corridor linking existing house
148 Friern Barnet Lane London N20 0NL · premises record
Applicant Mr & Mrs Jaff · Agent Sheldon Peever Studio
Withdrawn
2017-12-12
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 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.
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 14 of 16 premises. Groundworks may require archaeological assessment or investigation.
Tree Preservation Zone
North Middlesex Golf Club, Friern Barnet Lane, London, N20 0NL Tree Preservation Order 2017 · reference 17/TPO/013/A1 · covers 6 of 16 premises. Protected-tree works may require consent or formal notice.
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.
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 14 of 16 premises. Groundworks may require archaeological assessment or investigation.
Tree Preservation Zone
North Middlesex Golf Club, Friern Barnet Lane, London, N20 0NL Tree Preservation Order 2017 · reference 17/TPO/013/A1 · covers 6 of 16 premises. Protected-tree works may require consent or formal notice.
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 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 1 application
Applicant on 2 applications
Applicant on 1 application
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 precedent45 applications and 62 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings C: 2, D: 2, 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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
No intent signal is currently recorded in this postcode.
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.