Postcode record · Barnet
N3 1QS.
N3 1QS has 26 known premises and 25 planning records — 20 approved of 25 decided (80%). 11 EPC records.
Postcode N3 1QS · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeBarnet profile →
26
Premises
known addresses (UPRNs)
25
Applications
25 decided
80%
Approval rate
20 approved · 2 refused
11
EPC records
ratings C 1 · D 3 · E 3 · F 4
25
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 1QS has 26 known premises and 25 planning records — 20 approved of 25 decided (80%). 11 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 200053550
UPRN 200053552
UPRN 200053554
UPRN 200053556
UPRN 200053558
UPRN 200053560
UPRN 200053562
UPRN 200053564
UPRN 200053566
UPRN 200053568
UPRN 200053550
UPRN 200053552
UPRN 200053554
Show all 10 rows
UPRN 200053556
UPRN 200053558
UPRN 200053560
UPRN 200053562
UPRN 200053564
UPRN 200053566
UPRN 200053568
Planning
What happened?
25 planning applications across the postcode; 20 approved of 25 decided (80%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving 1no. rear dormer window over main roof and 1no. rear dormer over outrigger roof with side window and 2no. front facing rooflights.
11 Grove Avenue London N3 1QS · premises record
—
Approved
2026-03-26
Change of use of the upper floor flat (Class C3) to a 3 bed House in Multiple Occupation (HMO) (Class C4). Associated refuse/recycling and cycle storage (AMENDED DESCRIPTION)
First Floor Flat 33 Grove Avenue London N3 1QS · premises record
Full
Refused
2026-02-12
Roof extension involving rear L-shaped dormer, 2no front facing rooflights and new side windows
9 Grove Avenue London N3 1QS · premises record
Proposed Lawful Development Certificate
Approved
2023-03-22
Construction of new detached garden room
35 Grove Avenue London N3 1QS · premises record
Householder Application
Approved
2022-04-13
Single storey rear conservatory including side access ramp
27 Grove Avenue London N3 1QS · premises record
Householder Application
Approved
2022-02-01
Single storey rear extension with patio area and access steps. Roof extension involving rear dormer window with juliette balcony, 3no front and 2no rear facing rooflights. New front hardstanding and vehicular access
23 Grove Avenue London N3 1QS · premises record
Householder Application
Approved
2019-01-11
Extension to roof including 1no rear dormer window with juliette balcony and new 1no rooflight to front elevation
35 Grove Avenue London N3 1QS · premises record
Applicant Helen Titus · Officer Madara Tukisa
Proposed Lawful Development Certificate
Approved
2018-01-11
Installation of 3no rooflights to rear pitched roof
First Floor Flat 33 Grove Avenue London N3 1QS · premises record
Applicant Mr Ashish Modi · Agent Mr Bernard Zammit
Full Application
Approved
2017-02-22
Single storey side and rear extensions following demolition of existing side extension.
3 Grove Avenue London N3 1QS · premises record
Householder Application
Approved
2017-02-02
Retention of blue storage container on the front concreted area in front of the property
17 Grove Avenue London N3 1QS · premises record
Applicant Mr Malcolm Blount · Officer Komal Gorasia
Retention/Continued Use
Refused
2016-02-05
Roof extension involving 1no. rear dormer window over main roof and 1no. rear dormer over outrigger roof with side window and 2no. front facing rooflights.
11 Grove Avenue London N3 1QS · premises record
Approved
2026-03-26
More
—
Change of use of the upper floor flat (Class C3) to a 3 bed House in Multiple Occupation (HMO) (Class C4). Associated refuse/recycling and cycle storage (AMENDED DESCRIPTION)
First Floor Flat 33 Grove Avenue London N3 1QS · premises record
Refused
2026-02-12
More
Full
Roof extension involving rear L-shaped dormer, 2no front facing rooflights and new side windows
9 Grove Avenue London N3 1QS · premises record
Approved
2023-03-22
More
Proposed Lawful Development Certificate
Show all 10 rows
Construction of new detached garden room
35 Grove Avenue London N3 1QS · premises record
Approved
2022-04-13
More
Householder Application
Single storey rear conservatory including side access ramp
27 Grove Avenue London N3 1QS · premises record
Approved
2022-02-01
More
Householder Application
Single storey rear extension with patio area and access steps. Roof extension involving rear dormer window with juliette balcony, 3no front and 2no rear facing rooflights. New front hardstanding and vehicular access
23 Grove Avenue London N3 1QS · premises record
Approved
2019-01-11
More
Householder Application
Extension to roof including 1no rear dormer window with juliette balcony and new 1no rooflight to front elevation
35 Grove Avenue London N3 1QS · premises record
Applicant Helen Titus · Officer Madara Tukisa
Approved
2018-01-11
More
Proposed Lawful Development Certificate
Installation of 3no rooflights to rear pitched roof
First Floor Flat 33 Grove Avenue London N3 1QS · premises record
Applicant Mr Ashish Modi · Agent Mr Bernard Zammit
Approved
2017-02-22
More
Full Application
Single storey side and rear extensions following demolition of existing side extension.
3 Grove Avenue London N3 1QS · premises record
Approved
2017-02-02
More
Householder Application
Retention of blue storage container on the front concreted area in front of the property
17 Grove Avenue London N3 1QS · premises record
Applicant Mr Malcolm Blount · Officer Komal Gorasia
Refused
2016-02-05
More
Retention/Continued Use
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 25 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 1 application
Applicant on 2 applications
Applicant on 1 application
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 precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 1, D: 3, E: 3, F: 4.
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.