Postcode record · Barnet
NW4 1ER.
NW4 1ER has 7 known premises and 20 planning records — 14 approved of 19 decided (73.7%). 6 EPC records.
Postcode NW4 1ER · boundary not held, centred on the postcodeApprovedRefusedOther20 exact20 on the map — every match
At a glance · this postcodeBarnet profile →
7
Premises
known addresses (UPRNs)
20
Applications
19 decided
73.7%
Approval rate
14 approved · 4 refused
6
EPC records
ratings C 2 · D 3 · E 1
20
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 1ER has 7 known premises and 20 planning records — 14 approved of 19 decided (73.7%). 6 EPC records.
Premises
Name
Details
UPRN 200098352
UPRN 200098353
UPRN 200098354
UPRN 200098355
UPRN 200098356
UPRN 200098357
UPRN 200098358
UPRN 200098352
UPRN 200098353
UPRN 200098354
Show all 7 rows
UPRN 200098355
UPRN 200098356
UPRN 200098357
UPRN 200098358
Planning
What happened?
20 planning applications across the postcode; 14 approved of 19 decided (73.7%). Latest 20 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Use of building in the rear garden as a self-contained dwelling (Use Class C3)
1A Ridge Close London NW4 1ER · premises record
Existing Lawful Development Certificate
Pending Decision
2026-05-26
Use of the rear outbuilding as 1no. self-contained dwelling (Use Class C3)
1A Ridge Close London NW4 1ER · premises record
—
Refused
2026-02-09
Single storey rear extension. First floor side extension. Single storey front porch extension and conversion of the existing garage into habitable room, insertion of window to replace the garage door (AMENDED DESCRIPTION)
5 Ridge Close London NW4 1ER · premises record
Householder Application
Approved
2022-12-16
Part single, part two storey side and rear extension. Alterations of roof from flat to pitched roof. Single storey front porch extension and conversion of the existing garage into habitable room, insertion of window to replace the garage door
5 Ridge Close London NW4 1ER · premises record
Householder
Withdrawn
2022-10-11
Single storey rear extension with a depth of 6m, maximum height of 3m and eaves height of 3m.
5 Ridge Close London NW4 1ER · premises record
Applicant David Vincent · Officer Diva Almaputri
Prior Notification (Householder)
Refused
2022-09-08
First floor side and rear extension with pitched roof over existing ground floor extension and demolition of existing first floor side/rear extension
3 Ridge Close London NW4 1ER · premises record
Applicant Mrs Chaja Green · Agent ZED Architect
Householder Application
Approved
2017-12-04
Conversion of garage into habitable space involving alterations to external walls to line up with the existing house and replacement of existing garage door with a window to match existing. First floor front extension.
4 Ridge Close, London, NW4 1ER · premises record
Householder Application
Approved
2013-07-30
Extension to roof including hip to gable end and rear dormer window to facilitate a loft conversion. Conversion of garage into a habitable room.
4 Ridge Close, London, NW4 1ER · premises record
Proposed Lawful Development Certificate
Approved
2013-04-25
Single storey side/rear extension.
3 Ridge Close, London, NW4 1ER · premises record
Householder Application
Approved
2012-04-11
Hip-to-gable roof and a rear facing dormer to accommodate a loft conversion.
3 Ridge Close, London, NW4 1ER · premises record
Proposed Lawful Development Certificate
Approved
2012-01-23
Use of building in the rear garden as a self-contained dwelling (Use Class C3)
1A Ridge Close London NW4 1ER · premises record
Pending Decision
2026-05-26
More
Existing Lawful Development Certificate
Use of the rear outbuilding as 1no. self-contained dwelling (Use Class C3)
1A Ridge Close London NW4 1ER · premises record
Refused
2026-02-09
More
—
Single storey rear extension. First floor side extension. Single storey front porch extension and conversion of the existing garage into habitable room, insertion of window to replace the garage door (AMENDED DESCRIPTION)
5 Ridge Close London NW4 1ER · premises record
Approved
2022-12-16
More
Householder Application
Show all 10 rows
Part single, part two storey side and rear extension. Alterations of roof from flat to pitched roof. Single storey front porch extension and conversion of the existing garage into habitable room, insertion of window to replace the garage door
5 Ridge Close London NW4 1ER · premises record
Withdrawn
2022-10-11
More
Householder
Single storey rear extension with a depth of 6m, maximum height of 3m and eaves height of 3m.
5 Ridge Close London NW4 1ER · premises record
Applicant David Vincent · Officer Diva Almaputri
Refused
2022-09-08
More
Prior Notification (Householder)
First floor side and rear extension with pitched roof over existing ground floor extension and demolition of existing first floor side/rear extension
3 Ridge Close London NW4 1ER · premises record
Applicant Mrs Chaja Green · Agent ZED Architect
Approved
2017-12-04
More
Householder Application
Conversion of garage into habitable space involving alterations to external walls to line up with the existing house and replacement of existing garage door with a window to match existing. First floor front extension.
4 Ridge Close, London, NW4 1ER · premises record
Approved
2013-07-30
More
Householder Application
Extension to roof including hip to gable end and rear dormer window to facilitate a loft conversion. Conversion of garage into a habitable room.
4 Ridge Close, London, NW4 1ER · premises record
Approved
2013-04-25
More
Proposed Lawful Development Certificate
Single storey side/rear extension.
3 Ridge Close, London, NW4 1ER · premises record
Approved
2012-04-11
More
Householder Application
Hip-to-gable roof and a rear facing dormer to accommodate a loft conversion.
3 Ridge Close, London, NW4 1ER · premises record
Approved
2012-01-23
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 7 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 7 of 7 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 7 of 7 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 20 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 precedent20 applications and 20 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 2, D: 3, E: 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
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.