Postcode record · Barnet
N3 3SL.
N3 3SL has 60 known premises and 36 planning records — 16 approved of 34 decided (47.1%). 30 EPC records.
Postcode N3 3SL · boundary not held, centred on the postcodeApprovedRefusedOther36 exact36 on the map — every match
At a glance · this postcodeBarnet profile →
60
Premises
known addresses (UPRNs)
36
Applications
34 decided
47.1%
Approval rate
16 approved · 18 refused
30
EPC records
ratings C 24 · D 4 · E 2
36
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?
N3 3SL has 60 known premises and 36 planning records — 16 approved of 34 decided (47.1%). 30 EPC records.
Premises (18 of 60 shown)
Name
Details
UPRN 200059108
UPRN 200059109
UPRN 200059110
UPRN 200059111
UPRN 200059112
UPRN 200059114
UPRN 200059116
UPRN 200059126
UPRN 200059128
UPRN 200127516
UPRN 200059108
UPRN 200059109
UPRN 200059110
Show all 10 rows
UPRN 200059111
UPRN 200059112
UPRN 200059114
UPRN 200059116
UPRN 200059126
UPRN 200059128
UPRN 200127516
Planning
What happened?
36 planning applications across the postcode; 16 approved of 34 decided (47.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Variation condition 1 (Approved Plans) of planning permission reference 23/2011/FUL dated 07/11/23 for 'Conversion of existing property into 3no. self-contained flats including; Roof extension with rear dormer window and rooflight; Single storey side and rear extension to rear projection; Associated amenity space, refuse and recycling storage and cycle parking.' Variation to include change of the height of the side infill extension to be 2.5m high and set in by 0.35m from the neighbouring boundary
88 Hendon Lane London N3 3SL · premises record
—
Pending Consideration
2026-04-27
Variation of condition 1 (Approved plans) pursuant to planning permission 23/2011/FUL dated 07/11/2023 for `Conversion of existing property into 3no. self-contained flats including; Roof extension with rear dormer window and rooflight; Single storey side and rear extension to rear projection; Associated amenity space, refuse and recycling storage and cycle parking. Amendments include change of the height of the side infill extension to be 2.5m high and set in by 0.35m from the neighbouring boundary
88 Hendon Lane London N3 3SL · premises record
Vary/Remove condition/Minor Mtl Amnd
Refused
2025-03-25
Roof extension involving rear dormer window . Erection of a rear outbuilding
88 Hendon Lane London N3 3SL · premises record
—
Approved
2024-01-23
Conversion of existing property into 3no. self-contained flats including; Roof extension with rear dormer window and rooflight; Single storey side and rear extension to rear projection; Associated amenity space, refuse and recycling storage and cycle parking [AMENDED DESCRIPTION AND PLANS]
88 Hendon Lane London N3 3SL · premises record
Full Application
Approved
2023-05-09
1 x London Plane (applicant's ref. T1) - Crown thin 20%, lift to 5m over carriageway. (Remove all major deadwood, Sever Ivy as specified). Standing in group G21 of Tree Preservation Order
90 Hendon Lane London N3 3SL · premises record
Works to TPO trees
Approved
2020-09-16
Roof extension involving side dormer window to rear outrigger
First Floor Flat 98 Hendon Lane London N3 3SL · premises record
Full Application
Approved
2020-02-25
1 x Sycamore (applicant's ref. T1) - Reduce branches growing towards house by up to two metres, (sever a one metre section of Ivy at base of tree). Standing in group G21 of Tree Preservation Order; 1 x London Plane (applicant's ref. T2) - Reduce the spread of the lowest large branch growing over road by up to a maximum of 2m pruning back to a convenience growth points, Lift crown to 8m from ground level over road ensuring that no branch of greater than 75mm diameter is removed, Prune back two lowest branches growing towards house by up to three metres (back to previous pruning points). (Sever a one metre section of Ivy at base of tree. Remove dead branches). Standing in group G21 of Tree Preservation Order
92 Hendon Lane London N3 3SL · premises record
Works to TPO trees
Approved
2020-02-03
1 x London Plane (applicant's ref. T1) - Reduce crown height and lateral branches by 3-4m (regrowth), pruning back to old pruning points leaving a bare framework.( Remove all major deadwood, Sever Ivy and treat as specified). Standing in group G21 of Tree Preservation Order
90 Hendon Lane London N3 3SL · premises record
Works to TPO trees
Refused
2020-01-22
Single storey rear extension
Ground Floor Flat 98 Hendon Lane London N3 3SL · premises record
Full Application
Approved
2020-01-08
Use of kitchen of residential dwelling as office for mini-cab administrative purposes
First Floor Flat 90 Hendon Lane London N3 3SL · premises record
Applicant Miss Antonia Harcarova
Proposed Lawful Development Certificate
Approved
2016-10-13
Variation condition 1 (Approved Plans) of planning permission reference 23/2011/FUL dated 07/11/23 for 'Conversion of existing property into 3no. self-contained flats including; Roof extension with rear dormer window and rooflight; Single storey side and rear extension to rear projection; Associated amenity space, refuse and recycling storage and cycle parking.' Variation to include change of the height of the side infill extension to be 2.5m high and set in by 0.35m from the neighbouring boundary
88 Hendon Lane London N3 3SL · premises record
Pending Consideration
2026-04-27
More
—
Variation of condition 1 (Approved plans) pursuant to planning permission 23/2011/FUL dated 07/11/2023 for `Conversion of existing property into 3no. self-contained flats including; Roof extension with rear dormer window and rooflight; Single storey side and rear extension to rear projection; Associated amenity space, refuse and recycling storage and cycle parking. Amendments include change of the height of the side infill extension to be 2.5m high and set in by 0.35m from the neighbouring boundary
88 Hendon Lane London N3 3SL · premises record
Refused
2025-03-25
More
Vary/Remove condition/Minor Mtl Amnd
Roof extension involving rear dormer window . Erection of a rear outbuilding
88 Hendon Lane London N3 3SL · premises record
Approved
2024-01-23
More
—
Show all 10 rows
Conversion of existing property into 3no. self-contained flats including; Roof extension with rear dormer window and rooflight; Single storey side and rear extension to rear projection; Associated amenity space, refuse and recycling storage and cycle parking [AMENDED DESCRIPTION AND PLANS]
88 Hendon Lane London N3 3SL · premises record
Approved
2023-05-09
More
Full Application
1 x London Plane (applicant's ref. T1) - Crown thin 20%, lift to 5m over carriageway. (Remove all major deadwood, Sever Ivy as specified). Standing in group G21 of Tree Preservation Order
90 Hendon Lane London N3 3SL · premises record
Approved
2020-09-16
More
Works to TPO trees
Roof extension involving side dormer window to rear outrigger
First Floor Flat 98 Hendon Lane London N3 3SL · premises record
Approved
2020-02-25
More
Full Application
1 x Sycamore (applicant's ref. T1) - Reduce branches growing towards house by up to two metres, (sever a one metre section of Ivy at base of tree). Standing in group G21 of Tree Preservation Order; 1 x London Plane (applicant's ref. T2) - Reduce the spread of the lowest large branch growing over road by up to a maximum of 2m pruning back to a convenience growth points, Lift crown to 8m from ground level over road ensuring that no branch of greater than 75mm diameter is removed, Prune back two lowest branches growing towards house by up to three metres (back to previous pruning points). (Sever a one metre section of Ivy at base of tree. Remove dead branches). Standing in group G21 of Tree Preservation Order
92 Hendon Lane London N3 3SL · premises record
Approved
2020-02-03
More
Works to TPO trees
1 x London Plane (applicant's ref. T1) - Reduce crown height and lateral branches by 3-4m (regrowth), pruning back to old pruning points leaving a bare framework.( Remove all major deadwood, Sever Ivy and treat as specified). Standing in group G21 of Tree Preservation Order
90 Hendon Lane London N3 3SL · premises record
Refused
2020-01-22
More
Works to TPO trees
Single storey rear extension
Ground Floor Flat 98 Hendon Lane London N3 3SL · premises record
Approved
2020-01-08
More
Full Application
Use of kitchen of residential dwelling as office for mini-cab administrative purposes
First Floor Flat 90 Hendon Lane London N3 3SL · premises record
Applicant Miss Antonia Harcarova
Approved
2016-10-13
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 60 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 60 of 60 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 60 of 60 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
Applicant on 3 applications
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
Agent on 2 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
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
Agent on 2 applications
Development
What could it become?
Planning precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy30 EPC records; ratings C: 24, D: 4, E: 2.
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.
4 intent signals recorded in this postcode
Repeat sale · Price decline · HMO licensed
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.