Postcode record · Barnet
NW4 4JN.
NW4 4JN has 26 known premises and 24 planning records — 15 approved of 24 decided (62.5%). 12 EPC records.
Postcode NW4 4JN · boundary not held, centred on the postcodeApprovedRefusedOther24 exact24 on the map — every match
At a glance · this postcodeBarnet profile →
26
Premises
known addresses (UPRNs)
24
Applications
24 decided
62.5%
Approval rate
15 approved · 6 refused
12
EPC records
ratings C 7 · D 5
24
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 4JN has 26 known premises and 24 planning records — 15 approved of 24 decided (62.5%). 12 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 200053339
UPRN 200053341
UPRN 200053343
UPRN 200053345
UPRN 200053347
UPRN 200053349
UPRN 200053351
UPRN 200053353
UPRN 200053355
UPRN 200053357
UPRN 200053339
UPRN 200053341
UPRN 200053343
Show all 10 rows
UPRN 200053345
UPRN 200053347
UPRN 200053349
UPRN 200053351
UPRN 200053353
UPRN 200053355
UPRN 200053357
Planning
What happened?
24 planning applications across the postcode; 15 approved of 24 decided (62.5%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Demolition of the existing outbuilding and erection of a single storey detached dwelling with green roof. Associated landscaping and cycle storage
Rear Of 69 Greyhound Hill London NW4 4JN · premises record
Full Application
Refused
2026-03-18
Use of rear outbuilding as dwelling
69 Greyhound Hill London NW4 4JN · premises record
Existing Lawful Development Certificate
Refused
2025-02-07
Change of use from of rear gym/storage building to 1no. self-contained studio flat
61 Greyhound Hill London NW4 4JN · premises record
Full
Refused
2024-06-24
Single storey rear extension with a proposed depth of 4.3 metres from original rear wall, eaves height of 2.6 metres and maximum height of 3.5 metres.
59 Greyhound Hill London NW4 4JN · premises record
Prior Notification (Householder)
Not required
2021-04-27
Part single, part two storey side and rear extension to both properties
65 And 67 Greyhound Hill London NW4 4JN · premises record
Full
Approved
2020-05-20
Change of use from doctors surgery (Use Class D1) to a House in Multiple Occupation (HMO) (Class C4) for 5 people. (Retrospective application) (AMENDED PLANS AND DESCRIPTION)
69 Greyhound Hill London NW4 4JN · premises record
Applicant Mr Cohen · Agent Mrs Tal Mendes
Retention/Continued Use
Approved
2018-12-12
Conversion of existing dwelling into 2no self-contained flats
61 Greyhound Hill London NW4 4JN · premises record
Full Application
Refused
2018-04-04
Change of use from doctors surgery (Use Class D1) to residential use as a single family dwellinghouse (Use Class C3). Partial removal of entrance ramp
69 Greyhound Hill London NW4 4JN · premises record
Applicant Dr Brian Golden · Officer Joe Mari
Full Application
Approved
2018-03-29
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front elevation to facilitate a loft conversion. Alteration to fenestration to side elevation. (amended description)
61 Greyhound Hill London NW4 4JN · premises record
Proposed Lawful Development Certificate
Approved
2017-11-08
Erection of rear outbuilding following removal of existing shed. First floor rear extension
55 Greyhound Hill London NW4 4JN · premises record
Applicant Mrs Nahid Shahinzadeh · Agent Mr Nick Andros
Householder Application
Approved
2017-07-20
Demolition of the existing outbuilding and erection of a single storey detached dwelling with green roof. Associated landscaping and cycle storage
Rear Of 69 Greyhound Hill London NW4 4JN · premises record
Refused
2026-03-18
More
Full Application
Use of rear outbuilding as dwelling
69 Greyhound Hill London NW4 4JN · premises record
Refused
2025-02-07
More
Existing Lawful Development Certificate
Change of use from of rear gym/storage building to 1no. self-contained studio flat
61 Greyhound Hill London NW4 4JN · premises record
Refused
2024-06-24
More
Full
Show all 10 rows
Single storey rear extension with a proposed depth of 4.3 metres from original rear wall, eaves height of 2.6 metres and maximum height of 3.5 metres.
59 Greyhound Hill London NW4 4JN · premises record
Not required
2021-04-27
More
Prior Notification (Householder)
Part single, part two storey side and rear extension to both properties
65 And 67 Greyhound Hill London NW4 4JN · premises record
Approved
2020-05-20
More
Full
Change of use from doctors surgery (Use Class D1) to a House in Multiple Occupation (HMO) (Class C4) for 5 people. (Retrospective application) (AMENDED PLANS AND DESCRIPTION)
69 Greyhound Hill London NW4 4JN · premises record
Applicant Mr Cohen · Agent Mrs Tal Mendes
Approved
2018-12-12
More
Retention/Continued Use
Conversion of existing dwelling into 2no self-contained flats
61 Greyhound Hill London NW4 4JN · premises record
Refused
2018-04-04
More
Full Application
Change of use from doctors surgery (Use Class D1) to residential use as a single family dwellinghouse (Use Class C3). Partial removal of entrance ramp
69 Greyhound Hill London NW4 4JN · premises record
Applicant Dr Brian Golden · Officer Joe Mari
Approved
2018-03-29
More
Full Application
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front elevation to facilitate a loft conversion. Alteration to fenestration to side elevation. (amended description)
61 Greyhound Hill London NW4 4JN · premises record
Approved
2017-11-08
More
Proposed Lawful Development Certificate
Erection of rear outbuilding following removal of existing shed. First floor rear extension
55 Greyhound Hill London NW4 4JN · premises record
Applicant Mrs Nahid Shahinzadeh · Agent Mr Nick Andros
Approved
2017-07-20
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 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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 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 3 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 precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 7, D: 5.
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.
6 intent signals recorded in this postcode
Appeal dismissed · Beatable refusal · HMO licensed
Subscribe to see the signals →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.