Postcode record · Barnet
EN4 9DN.
EN4 9DN has 42 known premises and 39 planning records — 30 approved of 39 decided (76.9%). 29 EPC records.
Postcode EN4 9DN · boundary not held, centred on the postcodeApprovedRefusedOther39 exact39 on the map — every match
At a glance · this postcodeBarnet profile →
42
Premises
known addresses (UPRNs)
39
Applications
39 decided
76.9%
Approval rate
30 approved · 5 refused
29
EPC records
ratings C 6 · D 17 · E 5 · F 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?
EN4 9DN has 42 known premises and 39 planning records — 30 approved of 39 decided (76.9%). 29 EPC records.
Premises (18 of 42 shown)
Name
Details
UPRN 200086537
UPRN 200086539
UPRN 200086541
UPRN 200086543
UPRN 200086545
UPRN 200086546
UPRN 200086547
UPRN 200086548
UPRN 200086549
UPRN 200086550
UPRN 200086537
UPRN 200086539
UPRN 200086541
Show all 10 rows
UPRN 200086543
UPRN 200086545
UPRN 200086546
UPRN 200086547
UPRN 200086548
UPRN 200086549
UPRN 200086550
Planning
What happened?
39 planning applications across the postcode; 30 approved of 39 decided (76.9%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.40m and eaves height of 3.00m following the demolition of the existing rear extension and sheds
17 Northfield Road Barnet EN4 9DN · premises record
Prior Notification (Householder)
Not required
2025-12-11
Single storey side and rear extension following demolition of the existing stores
17 Northfield Road Barnet EN4 9DN · premises record
Householder Application
Refused
2025-10-01
Part single storey, part two storey side and rear extension following demolition of the existing side extension and outbuildings. New front porch. Erection of a rear outbuilding. Roof extension involving hip to gable, rear dormer with juliette balcony and 3no. front facing rooflights. Addition of render to all external walls.
27 Northfield Road Barnet EN4 9DN · premises record
Householder Application
Approved
2024-02-21
Single storey side and rear extension following demolition of the existing side extension and outbuildings. New front porch. Erection of a rear outbuilding. Roof extension involving hip to gable, rear dormer with juliette balcony and 3no. front facing rooflights
27 Northfield Road Barnet EN4 9DN · premises record
—
Approved
2023-12-20
Roof extension involving hip to gable, rear dormer, 2no. front facing rooflights and new side gable window
62 Northfield Road Barnet EN4 9DN · premises record
Proposed Lawful Development Certificate
Approved
2023-11-09
First floor side and rear extension. Installation of external insulation with grey render
31 Northfield Road Barnet EN4 9DN · premises record
Householder Application
Approved
2023-03-31
Two storey side extension. Single storey rear extension following demolition of existing conservatory and outbuilding. Front porch extension and alterations to fenestration
32 Northfield Road Barnet EN4 9DN · premises record
Householder Application
Approved
2022-07-06
Roof extension involving hip to gable, rear dormer with juliette balcony, and 3no front facing rooflights
32 Northfield Road Barnet EN4 9DN · premises record
Proposed Lawful Development Certificate
Approved
2022-07-06
Single storey rear extension with a depth of 4.00 metres, beyond the original rear wall and a maximum height of 4.00 metres and an eaves height of 3.00 metres following demolition of existing garage and conservatory
32 Northfield Road Barnet EN4 9DN · premises record
Prior Notification (Householder)
Not required
2022-07-05
First floor side and rear extension (AMENDED PLANS)
31 Northfield Road Barnet EN4 9DN · premises record
Householder Application
Approved
2022-02-15
Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.40m and eaves height of 3.00m following the demolition of the existing rear extension and sheds
17 Northfield Road Barnet EN4 9DN · premises record
Not required
2025-12-11
More
Prior Notification (Householder)
Single storey side and rear extension following demolition of the existing stores
17 Northfield Road Barnet EN4 9DN · premises record
Refused
2025-10-01
More
Householder Application
Part single storey, part two storey side and rear extension following demolition of the existing side extension and outbuildings. New front porch. Erection of a rear outbuilding. Roof extension involving hip to gable, rear dormer with juliette balcony and 3no. front facing rooflights. Addition of render to all external walls.
27 Northfield Road Barnet EN4 9DN · premises record
Approved
2024-02-21
More
Householder Application
Show all 10 rows
Single storey side and rear extension following demolition of the existing side extension and outbuildings. New front porch. Erection of a rear outbuilding. Roof extension involving hip to gable, rear dormer with juliette balcony and 3no. front facing rooflights
27 Northfield Road Barnet EN4 9DN · premises record
Approved
2023-12-20
More
—
Roof extension involving hip to gable, rear dormer, 2no. front facing rooflights and new side gable window
62 Northfield Road Barnet EN4 9DN · premises record
Approved
2023-11-09
More
Proposed Lawful Development Certificate
First floor side and rear extension. Installation of external insulation with grey render
31 Northfield Road Barnet EN4 9DN · premises record
Approved
2023-03-31
More
Householder Application
Two storey side extension. Single storey rear extension following demolition of existing conservatory and outbuilding. Front porch extension and alterations to fenestration
32 Northfield Road Barnet EN4 9DN · premises record
Approved
2022-07-06
More
Householder Application
Roof extension involving hip to gable, rear dormer with juliette balcony, and 3no front facing rooflights
32 Northfield Road Barnet EN4 9DN · premises record
Approved
2022-07-06
More
Proposed Lawful Development Certificate
Single storey rear extension with a depth of 4.00 metres, beyond the original rear wall and a maximum height of 4.00 metres and an eaves height of 3.00 metres following demolition of existing garage and conservatory
32 Northfield Road Barnet EN4 9DN · premises record
Not required
2022-07-05
More
Prior Notification (Householder)
First floor side and rear extension (AMENDED PLANS)
31 Northfield Road Barnet EN4 9DN · premises record
Approved
2022-02-15
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 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 3 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 3 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 precedent39 applications and 39 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy29 EPC records; ratings C: 6, D: 17, E: 5, 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?
How long would a planning application take here? →
Barnet's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Barnet, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.