Postcode record · Barnet
N3 1TH.
N3 1TH has 38 known premises and 51 planning records — 42 approved of 51 decided (82.4%). 18 EPC records.
Postcode N3 1TH · boundary not held, centred on the postcodeApprovedRefusedOther51 exact51 on the map — every match
At a glance · this postcodeBarnet profile →
38
Premises
known addresses (UPRNs)
51
Applications
51 decided
82.4%
Approval rate
42 approved · 6 refused
18
EPC records
ratings D 11 · E 6 · F 1
51
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 1TH has 38 known premises and 51 planning records — 42 approved of 51 decided (82.4%). 18 EPC records.
Premises (18 of 38 shown)
Name
Details
UPRN 200023440
UPRN 200023442
UPRN 200023444
UPRN 200023446
UPRN 200023448
UPRN 200023450
UPRN 200023452
UPRN 200023454
UPRN 200023456
UPRN 200023458
UPRN 200023440
UPRN 200023442
UPRN 200023444
Show all 10 rows
UPRN 200023446
UPRN 200023448
UPRN 200023450
UPRN 200023452
UPRN 200023454
UPRN 200023456
UPRN 200023458
Planning
What happened?
51 planning applications across the postcode; 42 approved of 51 decided (82.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Retention of single storey side extension following demolition of the existing garage (AMENDED DESCRIPTION)
22 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2026-02-23
Single storey side extension following demolition of the existing garage
22 Claremont Park London N3 1TH · premises record
—
Refused
2026-01-22
Roof extensions including hip to gable, rear dormer with juliette balcony, 2no. front facing double rooflights, new side gable window
60 Claremont Park London N3 1TH · premises record
Proposed Lawful Development Certificate
Approved
2025-11-14
Erection of a rear garden room
50 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2023-09-25
Roof extension involving side dormer window
2 Claremont Park London N3 1TH · premises record
Proposed Lawful Development Certificate
Approved
2022-04-06
Single storey rear conservatory extension. Alteration and extension to raised patio.
26 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2021-07-01
Roof extension involving hip to gable and rear dormer window
16 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2021-02-05
Conversion of garage into habitable room and increase in height of garage. Insertion of window to replace the existing garage door.
16 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2021-02-01
Single storey rear extension, single storey side infill extension including conversion of garage into habitable room and new front porch
60 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2020-03-18
Re-construction and conversion of lower ground floor rear to habitable room
4 Claremont Park London N3 1TH · premises record
Householder Application
Approved
2019-05-20
Retention of single storey side extension following demolition of the existing garage (AMENDED DESCRIPTION)
22 Claremont Park London N3 1TH · premises record
Approved
2026-02-23
More
Householder Application
Single storey side extension following demolition of the existing garage
22 Claremont Park London N3 1TH · premises record
Refused
2026-01-22
More
—
Roof extensions including hip to gable, rear dormer with juliette balcony, 2no. front facing double rooflights, new side gable window
60 Claremont Park London N3 1TH · premises record
Approved
2025-11-14
More
Proposed Lawful Development Certificate
Show all 10 rows
Erection of a rear garden room
50 Claremont Park London N3 1TH · premises record
Approved
2023-09-25
More
Householder Application
Roof extension involving side dormer window
2 Claremont Park London N3 1TH · premises record
Approved
2022-04-06
More
Proposed Lawful Development Certificate
Single storey rear conservatory extension. Alteration and extension to raised patio.
26 Claremont Park London N3 1TH · premises record
Approved
2021-07-01
More
Householder Application
Roof extension involving hip to gable and rear dormer window
16 Claremont Park London N3 1TH · premises record
Approved
2021-02-05
More
Householder Application
Conversion of garage into habitable room and increase in height of garage. Insertion of window to replace the existing garage door.
16 Claremont Park London N3 1TH · premises record
Approved
2021-02-01
More
Householder Application
Single storey rear extension, single storey side infill extension including conversion of garage into habitable room and new front porch
60 Claremont Park London N3 1TH · premises record
Approved
2020-03-18
More
Householder Application
Re-construction and conversion of lower ground floor rear to habitable room
4 Claremont Park London N3 1TH · premises record
Approved
2019-05-20
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 38 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 38 of 38 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 38 of 38 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).
Bose Close0 mClaremont Park0 mHendon Avenue19 mHawthorn Mews21 mVillage Road28 mFootpath From Holders Hill Road To Hendon Avenue29 mLyndhurst Gardens42 mHolders Hill Road53 mFootpath From Lyndhurst Gardens To Thornfield Avenue56 m
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 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 1 application
Applicant on 2 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent51 applications and 51 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings D: 11, E: 6, F: 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.
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.