Postcode record · Barnet
NW4 3SB.
NW4 3SB has 19 known premises and 14 planning records — 9 approved of 14 decided (64.3%). 12 EPC records.
Postcode NW4 3SB · boundary not held, centred on the postcodeApprovedRefusedOther14 exact14 on the map — every match
At a glance · this postcodeBarnet profile →
19
Premises
known addresses (UPRNs)
14
Applications
14 decided
64.3%
Approval rate
9 approved · 2 refused
12
EPC records
ratings C 1 · D 11
14
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?
NW4 3SB has 19 known premises and 14 planning records — 9 approved of 14 decided (64.3%). 12 EPC records.
Premises (18 of 19 shown)
Name
Details
UPRN 200102310
UPRN 200102311
UPRN 200102338
UPRN 200102340
UPRN 200102342
UPRN 200102344
UPRN 200102346
UPRN 200102348
UPRN 200102350
UPRN 200102352
UPRN 200102310
UPRN 200102311
UPRN 200102338
Show all 10 rows
UPRN 200102340
UPRN 200102342
UPRN 200102344
UPRN 200102346
UPRN 200102348
UPRN 200102350
UPRN 200102352
Planning
What happened?
14 planning applications across the postcode; 9 approved of 14 decided (64.3%). Latest 14 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving rear dormer window
2B Sevington Road London NW4 3SB · premises record
Full Application
Approved
2026-03-31
Roof extension involving rear dormer windows
2B Sevington Road London NW4 3SB · premises record
Full Application
Refused
2025-09-15
Conversion of existing dwelling into 7 bed HMO (House in multiple occupancy)
16 Sevington Road London NW4 3SB · premises record
Applicant Hussaini · Agent Wedrawplans
Full Application
Approved
2018-09-19
Conversion of existing dwelling into 7 bed HMO (House in multiple occupancy)
16 Sevington Road London NW4 3SB · premises record
Applicant Hussaini · Agent Wedrawplans
Full Application
Withdrawn
2018-06-07
Single storey rear extension
6 Sevington Road London NW4 3SB · premises record
Householder Application
Approved
2016-04-25
Single storey rear extension
6 Sevington Road London NW4 3SB · premises record
Householder Application
Withdrawn
2015-07-23
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 2.95 metres and maximum height of 2.95 metres
6 Sevington Road London NW4 3SB · premises record
Prior Notification (Householder)
Refused
2015-05-28
Roof extension with rear dormer window to facilitate a loft conversion
6 Sevington Road London NW4 3SB · premises record
Proposed Lawful Development Certificate
Approved
2015-05-28
Roof extension including hip to gable end with a rear dormer window and 2no. roof lights to front roofslope to facilitate a loft conversion.
16 Sevington Road, London, NW4 3SB · premises record
Proposed Lawful Development Certificate
Approved
2012-08-23
Conversion of garage into habitable space including alterations to roof and fenestration. Alterations to rear conservatory including internal alterations, alterations to roof and fenestration.
16 Sevington Road, London, NW4 3SB · premises record
Householder Application
Approved
2012-08-23
Roof extension involving rear dormer window
2B Sevington Road London NW4 3SB · premises record
Approved
2026-03-31
More
Full Application
Roof extension involving rear dormer windows
2B Sevington Road London NW4 3SB · premises record
Refused
2025-09-15
More
Full Application
Conversion of existing dwelling into 7 bed HMO (House in multiple occupancy)
16 Sevington Road London NW4 3SB · premises record
Applicant Hussaini · Agent Wedrawplans
Approved
2018-09-19
More
Full Application
Show all 10 rows
Conversion of existing dwelling into 7 bed HMO (House in multiple occupancy)
16 Sevington Road London NW4 3SB · premises record
Applicant Hussaini · Agent Wedrawplans
Withdrawn
2018-06-07
More
Full Application
Single storey rear extension
6 Sevington Road London NW4 3SB · premises record
Approved
2016-04-25
More
Householder Application
Single storey rear extension
6 Sevington Road London NW4 3SB · premises record
Withdrawn
2015-07-23
More
Householder Application
Single storey rear extension with a proposed depth of 6 metres from original rear wall, eaves height of 2.95 metres and maximum height of 2.95 metres
6 Sevington Road London NW4 3SB · premises record
Refused
2015-05-28
More
Prior Notification (Householder)
Roof extension with rear dormer window to facilitate a loft conversion
6 Sevington Road London NW4 3SB · premises record
Approved
2015-05-28
More
Proposed Lawful Development Certificate
Roof extension including hip to gable end with a rear dormer window and 2no. roof lights to front roofslope to facilitate a loft conversion.
16 Sevington Road, London, NW4 3SB · premises record
Approved
2012-08-23
More
Proposed Lawful Development Certificate
Conversion of garage into habitable space including alterations to roof and fenestration. Alterations to rear conservatory including internal alterations, alterations to roof and fenestration.
16 Sevington Road, London, NW4 3SB · premises record
Approved
2012-08-23
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 19 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 19 of 19 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 19 of 19 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 14 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 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent14 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 1, D: 11.
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.
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.