Postcode record · Barnet
N3 3RD.
N3 3RD has 42 known premises and 44 planning records — 31 approved of 44 decided (70.5%). 18 EPC records.
Postcode N3 3RD · boundary not held, centred on the postcodeApprovedRefusedOther44 exact44 on the map — every match
At a glance · this postcodeBarnet profile →
42
Premises
known addresses (UPRNs)
44
Applications
44 decided
70.5%
Approval rate
31 approved · 10 refused
18
EPC records
ratings B 2 · D 10 · E 4 · F 1 · G 1
44
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 3RD has 42 known premises and 44 planning records — 31 approved of 44 decided (70.5%). 18 EPC records.
Premises (18 of 42 shown)
Name
Details
UPRN 200127251
UPRN 200127252
UPRN 200127254
UPRN 200127256
UPRN 200127258
UPRN 200127260
UPRN 200127262
UPRN 200127264
UPRN 200127266
UPRN 200127268
UPRN 200127251
UPRN 200127252
UPRN 200127254
Show all 10 rows
UPRN 200127256
UPRN 200127258
UPRN 200127260
UPRN 200127262
UPRN 200127264
UPRN 200127266
UPRN 200127268
Planning
What happened?
44 planning applications across the postcode; 31 approved of 44 decided (70.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension
65 Windermere Avenue London N3 3RD · premises record
Householder Application
Approved
2022-03-29
Roof extension involving hip to gable, side dormer windows and rear gable window
65 Windermere Avenue London N3 3RD · premises record
Proposed Lawful Development Certificate
Approved
2022-03-29
Change of use from 2no self-contained flats to single family dwelling
65 Windermere Avenue London N3 3RD · premises record
Full Application
Approved
2021-06-03
Single storey rear extension following replacement of existing glazed extension
45 Windermere Avenue London N3 3RD · premises record
Householder Application
Approved
2021-05-11
Single storey rear extension following replacement of existing glazed extension
45 Windermere Avenue London N3 3RD · premises record
Householder Application
Approved
2021-03-01
Single storey rear extension. Roof extension involving side and rear dormer window
91 Windermere Avenue London N3 3RD · premises record
Householder Application
Approved
2019-12-24
Roof extension involving side and rear dormer windows
91 Windermere Avenue London N3 3RD · premises record
Proposed Lawful Development Certificate
Approved
2019-12-24
Roof extension involving rear dormer window with juliette balcony. Single storey rear extension
53 Windermere Avenue London N3 3RD · premises record
Proposed Lawful Development Certificate
Approved
2017-09-11
Erection of single storey outbuilding to rear garden, ancillary to the main house.
67 Windermere Avenue, London, N3 3RD · premises record
Proposed Lawful Development Certificate
Approved
2013-07-17
Single storey rear extension.
83 Windermere Avenue, London, N3 3RD · premises record
Applicant Mr G Sinyor · Officer Denisse Patten
Full Application
Approved
2012-09-26
Single storey rear extension
65 Windermere Avenue London N3 3RD · premises record
Approved
2022-03-29
More
Householder Application
Roof extension involving hip to gable, side dormer windows and rear gable window
65 Windermere Avenue London N3 3RD · premises record
Approved
2022-03-29
More
Proposed Lawful Development Certificate
Change of use from 2no self-contained flats to single family dwelling
65 Windermere Avenue London N3 3RD · premises record
Approved
2021-06-03
More
Full Application
Show all 10 rows
Single storey rear extension following replacement of existing glazed extension
45 Windermere Avenue London N3 3RD · premises record
Approved
2021-05-11
More
Householder Application
Single storey rear extension following replacement of existing glazed extension
45 Windermere Avenue London N3 3RD · premises record
Approved
2021-03-01
More
Householder Application
Single storey rear extension. Roof extension involving side and rear dormer window
91 Windermere Avenue London N3 3RD · premises record
Approved
2019-12-24
More
Householder Application
Roof extension involving side and rear dormer windows
91 Windermere Avenue London N3 3RD · premises record
Approved
2019-12-24
More
Proposed Lawful Development Certificate
Roof extension involving rear dormer window with juliette balcony. Single storey rear extension
53 Windermere Avenue London N3 3RD · premises record
Approved
2017-09-11
More
Proposed Lawful Development Certificate
Erection of single storey outbuilding to rear garden, ancillary to the main house.
67 Windermere Avenue, London, N3 3RD · premises record
Approved
2013-07-17
More
Proposed Lawful Development Certificate
Single storey rear extension.
83 Windermere Avenue, London, N3 3RD · premises record
Applicant Mr G Sinyor · Officer Denisse Patten
Approved
2012-09-26
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 42 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 42 of 42 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 42 of 42 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 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 1 application
Applicant on 2 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
Applicant on 1 application
Development
What could it become?
Planning precedent44 applications and 44 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings B: 2, D: 10, E: 4, F: 1, G: 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
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.
5 intent signals recorded in this postcode
Lapsed consent · EPC F/G · Long hold
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.