Postcode record · Barnet
N3 1QT.
N3 1QT has 94 known premises and 39 planning records — 22 approved of 38 decided (57.9%). 48 EPC records.
Postcode N3 1QT · boundary not held, centred on the postcodeApprovedRefusedOther39 on the map — every match
At a glance · this postcodeBarnet profile →
94
Premises
known addresses (UPRNs)
39
Applications
38 decided
57.9%
Approval rate
22 approved · 10 refused
48
EPC records
ratings B 5 · C 24 · D 16 · E 2 · G 1
39
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 1QT has 94 known premises and 39 planning records — 22 approved of 38 decided (57.9%). 48 EPC records.
Premises (18 of 94 shown)
Name
Details
UPRN 200115989
UPRN 200115990
UPRN 200115991
UPRN 200115992
UPRN 200115993
UPRN 200115994
UPRN 200115995
UPRN 200115996
UPRN 200115997
UPRN 200116032
UPRN 200115989
UPRN 200115990
UPRN 200115991
Show all 10 rows
UPRN 200115992
UPRN 200115993
UPRN 200115994
UPRN 200115995
UPRN 200115996
UPRN 200115997
UPRN 200116032
Planning
What happened?
39 planning applications across the postcode; 22 approved of 38 decided (57.9%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension including rear dormer window with juliette balcony and 2no. rear and 4no. front facing rooflights
31A The Grove London N3 1QT · premises record
Applicant Mr Edward Butler-Caddle · Agent Olivers Building Design Consultants · Officer Christian Gonito
Full Application
Pending Consideration
2026-04-01
Installation of ground floor side window
Flat 2 29 The Grove London N3 1QT · premises record
Full
Approved
2026-02-23
Alterations and extensions to existing property to provide 1no. additional self-contained flat at second floor level and extensions to existing 4no. flats, including: Demolition of existing rear extensions; Creation of new basement level including lowering floor level of existing storage areas with associated lower ground floor rear extension with sunken courtyard and access steps to garden; Ground and first floor rear extension; Roof extension including rear dormer window and insertion of front and rear facing rooflights; Provision of new soft landscaping to front, 1no. car parking space, cycle storage and refuse and recycling storage
49 The Grove London N3 1QT · premises record
Full Application
Approved
2026-01-14
Alterations and extensions to existing property to provide 1no. additional self-contained flat at second floor level and extensions to existing 4no. flats, including: Demolition of existing rear extensions; Creation of new basement level including lowering floor level of existing storage areas with associated lightwell to front and lower ground floor rear extension with associated sunken courtyard and access steps to garden; Ground and first floor rear extension; Roof extension including rear dormer window and insertion of front and rear facing rooflights; Provision of new soft landscaping to front, 1no. car parking space, cycle storage and refuse and recycling storage
49 The Grove London N3 1QT · premises record
Full Application
Refused
2025-07-04
Roof extension including 1no. rear dormer window and 3no. rooflights to front roofslope
47A The Grove London N3 1QT · premises record
Full Application
Approved
2025-01-21
Conversion of existing dwellinghouse into 5no. self-contained flats including single storey rear infill extension. Associated amenity space, refuse and cycle storage. Insertion of new side-facing first floor window [amended]
51 The Grove London N3 1QT · premises record
Full Application
Approved
2022-01-19
Roof extension including rear dormer window with 2no. rooflights to flat roof, 3no. front facing and 4no. rear facing rooflights. Addition of 2no rooflights on existing single storey rear extension
25 The Grove London N3 1QT · premises record
Proposed Lawful Development Certificate
Approved
2022-01-17
Roof extension including rear dormer window with 2no. rooflights to flat roof, 3no front facing and 4no. rear facing rooflights
27 The Grove London N3 1QT · premises record
Proposed Lawful Development Certificate
Approved
2022-01-17
Roof extension involving rear dormer window, 3no rear and front facing rooflights. Addition of 2no rooflights on existing single storey rear extension
25 The Grove London N3 1QT · premises record
Proposed Lawful Development Certificate
Refused
2021-12-13
Alteration and extension to existing roof to include rear dormer window, 3no rear and front facing rooflights
27 The Grove London N3 1QT · premises record
Proposed Lawful Development Certificate
Refused
2021-12-13
Roof extension including rear dormer window with juliette balcony and 2no. rear and 4no. front facing rooflights
31A The Grove London N3 1QT · premises record
Applicant Mr Edward Butler-Caddle · Agent Olivers Building Design Consultants · Officer Christian Gonito
Pending Consideration
2026-04-01
More
Full Application
Installation of ground floor side window
Flat 2 29 The Grove London N3 1QT · premises record
Approved
2026-02-23
More
Full
Alterations and extensions to existing property to provide 1no. additional self-contained flat at second floor level and extensions to existing 4no. flats, including: Demolition of existing rear extensions; Creation of new basement level including lowering floor level of existing storage areas with associated lower ground floor rear extension with sunken courtyard and access steps to garden; Ground and first floor rear extension; Roof extension including rear dormer window and insertion of front and rear facing rooflights; Provision of new soft landscaping to front, 1no. car parking space, cycle storage and refuse and recycling storage
49 The Grove London N3 1QT · premises record
Approved
2026-01-14
More
Full Application
Show all 10 rows
Alterations and extensions to existing property to provide 1no. additional self-contained flat at second floor level and extensions to existing 4no. flats, including: Demolition of existing rear extensions; Creation of new basement level including lowering floor level of existing storage areas with associated lightwell to front and lower ground floor rear extension with associated sunken courtyard and access steps to garden; Ground and first floor rear extension; Roof extension including rear dormer window and insertion of front and rear facing rooflights; Provision of new soft landscaping to front, 1no. car parking space, cycle storage and refuse and recycling storage
49 The Grove London N3 1QT · premises record
Refused
2025-07-04
More
Full Application
Roof extension including 1no. rear dormer window and 3no. rooflights to front roofslope
47A The Grove London N3 1QT · premises record
Approved
2025-01-21
More
Full Application
Conversion of existing dwellinghouse into 5no. self-contained flats including single storey rear infill extension. Associated amenity space, refuse and cycle storage. Insertion of new side-facing first floor window [amended]
51 The Grove London N3 1QT · premises record
Approved
2022-01-19
More
Full Application
Roof extension including rear dormer window with 2no. rooflights to flat roof, 3no. front facing and 4no. rear facing rooflights. Addition of 2no rooflights on existing single storey rear extension
25 The Grove London N3 1QT · premises record
Approved
2022-01-17
More
Proposed Lawful Development Certificate
Roof extension including rear dormer window with 2no. rooflights to flat roof, 3no front facing and 4no. rear facing rooflights
27 The Grove London N3 1QT · premises record
Approved
2022-01-17
More
Proposed Lawful Development Certificate
Roof extension involving rear dormer window, 3no rear and front facing rooflights. Addition of 2no rooflights on existing single storey rear extension
25 The Grove London N3 1QT · premises record
Refused
2021-12-13
More
Proposed Lawful Development Certificate
Alteration and extension to existing roof to include rear dormer window, 3no rear and front facing rooflights
27 The Grove London N3 1QT · premises record
Refused
2021-12-13
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 94 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 94 of 94 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 94 of 94 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 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent39 applications and 39 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy48 EPC records; ratings B: 5, C: 24, D: 16, E: 2, 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.
10 intent signals recorded in this postcode
Price decline · Repeat sale · EPC F/G · Long hold · Ageing director · HMO licensed
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.