Postcode record · Barnet
NW4 4XB.
NW4 4XB has 26 known premises and 36 planning records — 22 approved of 36 decided (61.1%). 15 EPC records.
Postcode NW4 4XB · boundary not held, centred on the postcodeApprovedRefusedOther36 exact36 on the map — every match
At a glance · this postcodeBarnet profile →
26
Premises
known addresses (UPRNs)
36
Applications
36 decided
61.1%
Approval rate
22 approved · 4 refused
15
EPC records
ratings C 1 · D 11 · E 2 · F 1
36
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 4XB has 26 known premises and 36 planning records — 22 approved of 36 decided (61.1%). 15 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 200125786
UPRN 200125788
UPRN 200125790
UPRN 200125792
UPRN 200125794
UPRN 200125796
UPRN 200125798
UPRN 200125800
UPRN 200125802
UPRN 200125804
UPRN 200125786
UPRN 200125788
UPRN 200125790
Show all 10 rows
UPRN 200125792
UPRN 200125794
UPRN 200125796
UPRN 200125798
UPRN 200125800
UPRN 200125802
UPRN 200125804
Planning
What happened?
36 planning applications across the postcode; 22 approved of 36 decided (61.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of chimney (amended description)
46 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Approved
2025-06-03
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
46 Westside London NW4 4XB · premises record
Householder Application
Withdrawn
2025-04-22
Erection of a rear outbuilding
48 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Approved
2023-01-31
Erection of a rear outbuilding
50 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Approved
2023-01-31
Roof extension including hip to gable, 1no side gable window rear dormer windows with Juliet balcony. Single storey rear extension. Erection of an outbuilding within the rear garden.
8 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Approved
2020-09-14
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.90 metres.
8 Westside London NW4 4XB · premises record
Applicant David Mansoor · Officer Helen McGuinness
Prior Notification (Householder)
Not required
2020-08-14
Roof extension including hip to gable, 1no side gable window and rear dormer windows. Single storey rear extension. Erection of an outbuilding within the rear garden
8 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Withdrawn
2020-07-15
Single storey rear and side extension following conversion of garage into habitable room
50 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Approved
2020-04-28
Installation of access ramp with associated hand rails to front garden
32 Westside London NW4 4XB · premises record
Householder Application
Approved
2020-01-17
Single storey rear extension
48 Westside London NW4 4XB · premises record
Proposed Lawful Development Certificate
Approved
2019-11-04
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of chimney (amended description)
46 Westside London NW4 4XB · premises record
Approved
2025-06-03
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
46 Westside London NW4 4XB · premises record
Withdrawn
2025-04-22
More
Householder Application
Erection of a rear outbuilding
48 Westside London NW4 4XB · premises record
Approved
2023-01-31
More
Proposed Lawful Development Certificate
Show all 10 rows
Erection of a rear outbuilding
50 Westside London NW4 4XB · premises record
Approved
2023-01-31
More
Proposed Lawful Development Certificate
Roof extension including hip to gable, 1no side gable window rear dormer windows with Juliet balcony. Single storey rear extension. Erection of an outbuilding within the rear garden.
8 Westside London NW4 4XB · premises record
Approved
2020-09-14
More
Proposed Lawful Development Certificate
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.90 metres.
8 Westside London NW4 4XB · premises record
Applicant David Mansoor · Officer Helen McGuinness
Not required
2020-08-14
More
Prior Notification (Householder)
Roof extension including hip to gable, 1no side gable window and rear dormer windows. Single storey rear extension. Erection of an outbuilding within the rear garden
8 Westside London NW4 4XB · premises record
Withdrawn
2020-07-15
More
Proposed Lawful Development Certificate
Single storey rear and side extension following conversion of garage into habitable room
50 Westside London NW4 4XB · premises record
Approved
2020-04-28
More
Proposed Lawful Development Certificate
Installation of access ramp with associated hand rails to front garden
32 Westside London NW4 4XB · premises record
Approved
2020-01-17
More
Householder Application
Single storey rear extension
48 Westside London NW4 4XB · premises record
Approved
2019-11-04
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 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).
Westside0 mGreat North Way0 mWatford Way0 mFootpath From Church Terrace To Great North Way1 mHall Lane22 mProw Footpath From Great North Way To Page Street25 mWheatley Close46 mHilltop Gardens49 m
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
Applicant on 1 application
Agent on 4 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
Applicant on 1 application
Agent on 4 applications
Development
What could it become?
Planning precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 1, D: 11, E: 2, 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
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.