Postcode record · Barnet
NW4 3BS.
NW4 3BS has 21 known premises and 43 planning records — 22 approved of 43 decided (51.2%). 11 EPC records.
Postcode NW4 3BS · boundary not held, centred on the postcodeApprovedRefusedOther43 exact43 on the map — every match
At a glance · this postcodeBarnet profile →
21
Premises
known addresses (UPRNs)
43
Applications
43 decided
51.2%
Approval rate
22 approved · 14 refused
11
EPC records
ratings B 1 · C 1 · D 6 · E 3
43
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?
NW4 3BS has 21 known premises and 43 planning records — 22 approved of 43 decided (51.2%). 11 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 200099913
UPRN 200099915
UPRN 200099917
UPRN 200099919
UPRN 200099921
UPRN 200099923
UPRN 200099925
UPRN 200099927
UPRN 200099928
UPRN 200099929
UPRN 200099913
UPRN 200099915
UPRN 200099917
Show all 10 rows
UPRN 200099919
UPRN 200099921
UPRN 200099923
UPRN 200099925
UPRN 200099927
UPRN 200099928
UPRN 200099929
Planning
What happened?
43 planning applications across the postcode; 22 approved of 43 decided (51.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with 2no. skylights. Insertion of new side window and door
19 Rundell Crescent London NW4 3BS · premises record
Householder Application
Approved
2025-07-29
Roof extension involving partial hip to gable on both sides and 3no. rear facing rooflights, following demolition of existing side and rear dormer.
19 Rundell Crescent London NW4 3BS · premises record
Proposed Lawful Development Certificate
Approved
2025-07-14
Single story rear extension with 2no. skylights. New window and door to side elevation
19 Rundell Crescent London NW4 3BS · premises record
Proposed Lawful Development Certificate
Refused
2025-07-14
Part single, part two storey side and rear extension. New front porch
17 Rundell Crescent London NW4 3BS · premises record
Householder Application
Approved
2023-12-27
Roof extension involving raised gable ends, rear dormer, 2no. front facing rooflights and new side gable window
17 Rundell Crescent London NW4 3BS · premises record
Proposed Lawful Development Certificate
Approved
2023-11-23
Roof extension involving rear dormer with juliette balcony and 2no. front and 1no side facing rooflights, following demolition of existing chimneys. Erection of a rear outbuilding (AMENDED DESCRIPTION)
5 Rundell Crescent London NW4 3BS · premises record
Proposed Lawful Development Certificate
Approved
2023-05-10
Single storey rear extension following demolition of the existing conservatory. Alterations to front entrance and fenestration
5 Rundell Crescent London NW4 3BS · premises record
Householder Application
Approved
2023-05-10
Ground and first floor rear extension and garage conversion. Installation of air source heat pump to the rear. (AMENDED PROPOSAL)
27 Rundell Crescent London NW4 3BS · premises record
Householder Application
Approved
2023-03-20
Single storey rear extension
21 Rundell Crescent London NW4 3BS · premises record
Applicant Mr and Mrs Adam and Danielle Baron · Officer Radhika Bedi
Householder Application
Withdrawn
2020-11-02
Single storey rear infill extension
21 Rundell Crescent London NW4 3BS · premises record
Householder Application
Approved
2020-08-13
Single storey rear extension with 2no. skylights. Insertion of new side window and door
19 Rundell Crescent London NW4 3BS · premises record
Approved
2025-07-29
More
Householder Application
Roof extension involving partial hip to gable on both sides and 3no. rear facing rooflights, following demolition of existing side and rear dormer.
19 Rundell Crescent London NW4 3BS · premises record
Approved
2025-07-14
More
Proposed Lawful Development Certificate
Single story rear extension with 2no. skylights. New window and door to side elevation
19 Rundell Crescent London NW4 3BS · premises record
Refused
2025-07-14
More
Proposed Lawful Development Certificate
Show all 10 rows
Part single, part two storey side and rear extension. New front porch
17 Rundell Crescent London NW4 3BS · premises record
Approved
2023-12-27
More
Householder Application
Roof extension involving raised gable ends, rear dormer, 2no. front facing rooflights and new side gable window
17 Rundell Crescent London NW4 3BS · premises record
Approved
2023-11-23
More
Proposed Lawful Development Certificate
Roof extension involving rear dormer with juliette balcony and 2no. front and 1no side facing rooflights, following demolition of existing chimneys. Erection of a rear outbuilding (AMENDED DESCRIPTION)
5 Rundell Crescent London NW4 3BS · premises record
Approved
2023-05-10
More
Proposed Lawful Development Certificate
Single storey rear extension following demolition of the existing conservatory. Alterations to front entrance and fenestration
5 Rundell Crescent London NW4 3BS · premises record
Approved
2023-05-10
More
Householder Application
Ground and first floor rear extension and garage conversion. Installation of air source heat pump to the rear. (AMENDED PROPOSAL)
27 Rundell Crescent London NW4 3BS · premises record
Approved
2023-03-20
More
Householder Application
Single storey rear extension
21 Rundell Crescent London NW4 3BS · premises record
Applicant Mr and Mrs Adam and Danielle Baron · Officer Radhika Bedi
Withdrawn
2020-11-02
More
Householder Application
Single storey rear infill extension
21 Rundell Crescent London NW4 3BS · premises record
Approved
2020-08-13
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 21 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 21 of 21 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 21 of 21 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 3 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
Agent on 3 applications
Agent on 2 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent43 applications and 43 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings B: 1, C: 1, D: 6, E: 3.
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.