Postcode record · Barnet
N3 1YA.
N3 1YA has 22 known premises and 21 planning records — 15 approved of 21 decided (71.4%). 14 EPC records.
Postcode N3 1YA · boundary not held, centred on the postcodeApprovedRefusedOther21 exact21 on the map — every match
At a glance · this postcodeBarnet profile →
22
Premises
known addresses (UPRNs)
21
Applications
21 decided
71.4%
Approval rate
15 approved · 5 refused
14
EPC records
ratings D 12 · E 2
21
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 1YA has 22 known premises and 21 planning records — 15 approved of 21 decided (71.4%). 14 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 200123736
UPRN 200123738
UPRN 200123740
UPRN 200123742
UPRN 200123744
UPRN 200123746
UPRN 200123748
UPRN 200123750
UPRN 200123752
UPRN 200123754
UPRN 200123736
UPRN 200123738
UPRN 200123740
Show all 10 rows
UPRN 200123742
UPRN 200123744
UPRN 200123746
UPRN 200123748
UPRN 200123750
UPRN 200123752
UPRN 200123754
Planning
What happened?
21 planning applications across the postcode; 15 approved of 21 decided (71.4%). Latest 21 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with 1no. lantern rooflight
11 Wentworth Avenue London N3 1YA · premises record
Householder Application
Approved
2025-03-10
Installation of 1no. green Virgin Media cabinet
Pavement Outside 1 Wentworth Avenue London N3 1YA · premises record
Licence Notification
Not required
2024-12-02
Roof extension involving hip to gable, rear dormer window, 2no front facing rooflights and new side gable window
11 Wentworth Avenue London N3 1YA · premises record
Proposed Lawful Development Certificate
Approved
2021-12-17
Single storey rear extension to basement and ground floor level, including a patio at ground floor level with glass railing and access steps to garden. New front porch
37 Wentworth Avenue London N3 1YA · premises record
Householder
Approved
2021-11-24
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no front facing rooflights and new side gable window
37 Wentworth Avenue London N3 1YA · premises record
—
Approved
2021-08-09
Single storey rear extension. Creation of new side windows in existing house
11 Wentworth Avenue London N3 1YA · premises record
Applicant Mr Cameron Fitch · Officer Syndsey Ballet
Householder Application
Approved
2020-12-22
Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation (HMO) for 8 people
35 Wentworth Avenue London N3 1YA · premises record
Applicant Mrs Sunee Shoji · Officer Tania Sa Cordeiro
Full Application
Refused
2018-11-09
Single storey rear extension. Creation of new side windows in existing house
11 Wentworth Avenue London N3 1YA · premises record
Applicant Mr Cameron Fitch · Officer Deniss Nikandrovs
Householder Application
Refused
2018-07-16
Single storey rear extension with a proposed depth of 6m, eaves height of 2.9m and maximum height of 3.8m
11 Wentworth Avenue London N3 1YA · premises record
Applicant Mr Cameron Fitch · Officer Madara Tukisa
Prior Notification (Householder)
Refused
2017-11-13
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front and new gable window to side elevation to facilitate a loft conversion
35 Wentworth Avenue London N3 1YA · premises record
Applicant Mrs Sunee Shoji · Agent Lawrence Vacher LLP
Proposed Lawful Development Certificate
Approved
2017-02-28
Single storey rear extension with 1no. lantern rooflight
11 Wentworth Avenue London N3 1YA · premises record
Approved
2025-03-10
More
Householder Application
Installation of 1no. green Virgin Media cabinet
Pavement Outside 1 Wentworth Avenue London N3 1YA · premises record
Not required
2024-12-02
More
Licence Notification
Roof extension involving hip to gable, rear dormer window, 2no front facing rooflights and new side gable window
11 Wentworth Avenue London N3 1YA · premises record
Approved
2021-12-17
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey rear extension to basement and ground floor level, including a patio at ground floor level with glass railing and access steps to garden. New front porch
37 Wentworth Avenue London N3 1YA · premises record
Approved
2021-11-24
More
Householder
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no front facing rooflights and new side gable window
37 Wentworth Avenue London N3 1YA · premises record
Approved
2021-08-09
More
—
Single storey rear extension. Creation of new side windows in existing house
11 Wentworth Avenue London N3 1YA · premises record
Applicant Mr Cameron Fitch · Officer Syndsey Ballet
Approved
2020-12-22
More
Householder Application
Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation (HMO) for 8 people
35 Wentworth Avenue London N3 1YA · premises record
Applicant Mrs Sunee Shoji · Officer Tania Sa Cordeiro
Refused
2018-11-09
More
Full Application
Single storey rear extension. Creation of new side windows in existing house
11 Wentworth Avenue London N3 1YA · premises record
Applicant Mr Cameron Fitch · Officer Deniss Nikandrovs
Refused
2018-07-16
More
Householder Application
Single storey rear extension with a proposed depth of 6m, eaves height of 2.9m and maximum height of 3.8m
11 Wentworth Avenue London N3 1YA · premises record
Applicant Mr Cameron Fitch · Officer Madara Tukisa
Refused
2017-11-13
More
Prior Notification (Householder)
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front and new gable window to side elevation to facilitate a loft conversion
35 Wentworth Avenue London N3 1YA · premises record
Applicant Mrs Sunee Shoji · Agent Lawrence Vacher LLP
Approved
2017-02-28
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 22 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 22 of 22 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 22 of 22 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 21 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 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
Agent on 2 applications
Agent on 1 application
Applicant on 4 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
Agent on 2 applications
Agent on 1 application
Development
What could it become?
Planning precedent21 applications and 21 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings D: 12, 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
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.