Postcode record · Barnet
NW7 3SJ.
NW7 3SJ has 26 known premises and 66 planning records — 46 approved of 65 decided (70.8%). 15 EPC records.
Postcode NW7 3SJ · boundary not held, centred on the postcodeApprovedRefusedOther66 exact66 on the map — every match
At a glance · this postcodeBarnet profile →
26
Premises
known addresses (UPRNs)
66
Applications
65 decided
70.8%
Approval rate
46 approved · 11 refused
15
EPC records
ratings B 1 · C 1 · D 6 · E 7
66
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?
NW7 3SJ has 26 known premises and 66 planning records — 46 approved of 65 decided (70.8%). 15 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 200110466
UPRN 200110468
UPRN 200110470
UPRN 200110472
UPRN 200110474
UPRN 200110476
UPRN 200110478
UPRN 200110480
UPRN 200110482
UPRN 200110484
UPRN 200110466
UPRN 200110468
UPRN 200110470
Show all 10 rows
UPRN 200110472
UPRN 200110474
UPRN 200110476
UPRN 200110478
UPRN 200110480
UPRN 200110482
UPRN 200110484
Planning
What happened?
66 planning applications across the postcode; 46 approved of 65 decided (70.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of the existing garage into habitable room, insertion of window to replace garage door. Increase of pitched roof to rear elevation. Changes to side and rear fenestration
8 Sunbury Avenue London NW7 3SJ · premises record
Householder Application
Approved
2026-01-15
Erection of a rear outbuilding
50 Sunbury Avenue London NW7 3SJ · premises record
Proposed Lawful Development Certificate
Approved
2026-01-08
Roof extension involving side and rear dormer window and 1no. front facing rooflight
10 Sunbury Avenue London NW7 3SJ · premises record
Householder
Approved
2024-09-19
First floor rear extension
4 Sunbury Avenue London NW7 3SJ · premises record
Householder Application
Approved
2023-05-03
Part single, part two storey side/rear extension
50 Sunbury Avenue London NW7 3SJ · premises record
Householder Application
Approved
2022-06-10
New front porch. Two storey side and rear extensions with new patio area. Roof extension involving side and rear dormer windows and front and side facing rooflights. Conversion of garage to a habitable room. (AMENDED DESCRIPTION).
20 Sunbury Avenue London NW7 3SJ · premises record
Householder Application
Approved
2022-02-03
Two storey side extension following demolition of the existing garage
50 Sunbury Avenue London NW7 3SJ · premises record
Householder
Approved
2021-04-26
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres.
16 Sunbury Avenue London NW7 3SJ · premises record
Prior Notification (Householder)
Not required
2021-02-05
Part single part two storey rear extension. Conversion and single storey front extension of existing garage into habitable space. Replacement of garage door with window. First Floor side extension. New front porch. New rear sunken patio.
16 Sunbury Avenue London NW7 3SJ · premises record
Householder Application
Approved
2021-02-02
Two storey side extension following demolition of the existing garage (Amended description).
50 Sunbury Avenue London NW7 3SJ · premises record
Householder Application
Approved
2020-11-13
Conversion of the existing garage into habitable room, insertion of window to replace garage door. Increase of pitched roof to rear elevation. Changes to side and rear fenestration
8 Sunbury Avenue London NW7 3SJ · premises record
Approved
2026-01-15
More
Householder Application
Erection of a rear outbuilding
50 Sunbury Avenue London NW7 3SJ · premises record
Approved
2026-01-08
More
Proposed Lawful Development Certificate
Roof extension involving side and rear dormer window and 1no. front facing rooflight
10 Sunbury Avenue London NW7 3SJ · premises record
Approved
2024-09-19
More
Householder
Show all 10 rows
First floor rear extension
4 Sunbury Avenue London NW7 3SJ · premises record
Approved
2023-05-03
More
Householder Application
Part single, part two storey side/rear extension
50 Sunbury Avenue London NW7 3SJ · premises record
Approved
2022-06-10
More
Householder Application
New front porch. Two storey side and rear extensions with new patio area. Roof extension involving side and rear dormer windows and front and side facing rooflights. Conversion of garage to a habitable room. (AMENDED DESCRIPTION).
20 Sunbury Avenue London NW7 3SJ · premises record
Approved
2022-02-03
More
Householder Application
Two storey side extension following demolition of the existing garage
50 Sunbury Avenue London NW7 3SJ · premises record
Approved
2021-04-26
More
Householder
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres.
16 Sunbury Avenue London NW7 3SJ · premises record
Not required
2021-02-05
More
Prior Notification (Householder)
Part single part two storey rear extension. Conversion and single storey front extension of existing garage into habitable space. Replacement of garage door with window. First Floor side extension. New front porch. New rear sunken patio.
16 Sunbury Avenue London NW7 3SJ · premises record
Approved
2021-02-02
More
Householder Application
Two storey side extension following demolition of the existing garage (Amended description).
50 Sunbury Avenue London NW7 3SJ · premises record
Approved
2020-11-13
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 26 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 26 of 26 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 26 of 26 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 6 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
Agent on 6 applications
Agent on 2 applications
Agent on 1 application
Applicant on 6 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
Agent on 6 applications
Agent on 2 applications
Agent on 1 application
Development
What could it become?
Planning precedent66 applications and 66 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings B: 1, C: 1, D: 6, E: 7.
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.