Postcode record · Barnet
EN4 8AJ.
EN4 8AJ has 46 known premises and 22 planning records — 14 approved of 22 decided (63.6%). 20 EPC records.
Postcode EN4 8AJ · boundary not held, centred on the postcodeApprovedRefusedOther22 exact22 on the map — every match
At a glance · this postcodeBarnet profile →
46
Premises
known addresses (UPRNs)
22
Applications
22 decided
63.6%
Approval rate
14 approved · 7 refused
20
EPC records
ratings C 2 · D 12 · E 6
22
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 8AJ has 46 known premises and 22 planning records — 14 approved of 22 decided (63.6%). 20 EPC records.
Premises (18 of 46 shown)
Name
Details
UPRN 200061430
UPRN 200061605
UPRN 200061614
UPRN 200061923
UPRN 200061944
UPRN 200061986
UPRN 200062019
UPRN 200070769
UPRN 200070770
UPRN 200070771
UPRN 200061430
UPRN 200061605
UPRN 200061614
Show all 10 rows
UPRN 200061923
UPRN 200061944
UPRN 200061986
UPRN 200062019
UPRN 200070769
UPRN 200070770
UPRN 200070771
Planning
What happened?
22 planning applications across the postcode; 14 approved of 22 decided (63.6%). Latest 22 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side and rear extension with new patio area and associated access steps
139 Lancaster Road Barnet EN4 8AJ · premises record
Householder Application
Approved
2025-10-23
Single storey side and rear extension with new patio area and associated access steps
139 Lancaster Road Barnet EN4 8AJ · premises record
Householder Application
Approved
2024-09-02
Roof extension involving L shaped dormer, 2no. front facing rooflights, 1no. flat rooflight and 2no. side gable windows
139 Lancaster Road Barnet EN4 8AJ · premises record
Proposed Lawful Development Certificate
Approved
2024-02-26
Single storey side and rear extension
139 Lancaster Road Barnet EN4 8AJ · premises record
Householder Application
Approved
2023-10-06
Roof extension involving rear dormer windows and 3no front facing rooflights
145 Lancaster Road Barnet EN4 8AJ · premises record
Proposed Lawful Development Certificate
Approved
2021-07-09
Single storey side/rear extension with 1 no. rooflight.
147 Lancaster Road Barnet EN4 8AJ · premises record
Householder
Approved
2021-05-11
Roof extension involving hip to gable end and rear dormer windows to both properties
155A-157A Lancaster Road Barnet EN4 8AJ · premises record
Applicant Mr Mario Symeou · Agent Roc-haus
Full Application
Refused
2018-03-08
Single storey rear extension with a proposed depth of 4.17 metres from original rear wall, eaves height of 3.1 metres and maximum height of 4.37 metres
151 Lancaster Road Barnet EN4 8AJ · premises record
Prior Approval
Refused
2017-11-20
Single storey rear extension with new access steps to garden level
151 Lancaster Road Barnet EN4 8AJ · premises record
Householder
Approved
2017-11-20
Roof extension involving hip to gable, rear dormer window to both properties
155A And 157A Lancaster Road Barnet EN4 8AJ · premises record
Applicant Mr. Mario Symeou & Mr. Pedya · Agent ROC haus
Full Application
Approved
2017-08-29
Single storey side and rear extension with new patio area and associated access steps
139 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2025-10-23
More
Householder Application
Single storey side and rear extension with new patio area and associated access steps
139 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2024-09-02
More
Householder Application
Roof extension involving L shaped dormer, 2no. front facing rooflights, 1no. flat rooflight and 2no. side gable windows
139 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2024-02-26
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey side and rear extension
139 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2023-10-06
More
Householder Application
Roof extension involving rear dormer windows and 3no front facing rooflights
145 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2021-07-09
More
Proposed Lawful Development Certificate
Single storey side/rear extension with 1 no. rooflight.
147 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2021-05-11
More
Householder
Roof extension involving hip to gable end and rear dormer windows to both properties
155A-157A Lancaster Road Barnet EN4 8AJ · premises record
Applicant Mr Mario Symeou · Agent Roc-haus
Refused
2018-03-08
More
Full Application
Single storey rear extension with a proposed depth of 4.17 metres from original rear wall, eaves height of 3.1 metres and maximum height of 4.37 metres
151 Lancaster Road Barnet EN4 8AJ · premises record
Refused
2017-11-20
More
Prior Approval
Single storey rear extension with new access steps to garden level
151 Lancaster Road Barnet EN4 8AJ · premises record
Approved
2017-11-20
More
Householder
Roof extension involving hip to gable, rear dormer window to both properties
155A And 157A Lancaster Road Barnet EN4 8AJ · premises record
Applicant Mr. Mario Symeou & Mr. Pedya · Agent ROC haus
Approved
2017-08-29
More
Full 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 46 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 46 of 46 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 46 of 46 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 22 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 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
Agent on 2 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 2 applications
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
Agent on 2 applications
Agent on 2 applications
Development
What could it become?
Planning precedent22 applications and 22 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 2, D: 12, E: 6.
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.
4 intent signals recorded in this postcode
Portfolio seller · Charge registered · Long hold
Subscribe to see the signals →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.