Planning Atlas
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Planning Atlas›Islington›…Finsbury Park ward›N4 3NN
Postcode record · Islington

N4 3NN.

N4 3NN has 36 known premises and 12 planning records — 10 approved of 11 decided (90.9%). 23 EPC records.

Postcode N4 3NN · boundary not held, centred on the postcodeApprovedRefusedOther12 on the map — every match
At a glance · this postcodeIslington profile →
36
Premises
known addresses (UPRNs)
12
Applications
11 decided
90.9%
Approval rate
10 approved · 1 refused
23
EPC records
ratings C 6 · D 15 · E 2
12
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?

N4 3NN has 36 known premises and 12 planning records — 10 approved of 11 decided (90.9%). 23 EPC records.

Premises (18 of 36 shown)

Name
Details
UPRN 5300041374
UPRN 5300041375
UPRN 5300041376
UPRN 5300041377
UPRN 5300041378
UPRN 5300041379
UPRN 5300041380
UPRN 5300041381
UPRN 5300041382
UPRN 5300041383
UPRN 5300041374
UPRN 5300041375
UPRN 5300041376
Show all 10 rows
UPRN 5300041377
UPRN 5300041378
UPRN 5300041379
UPRN 5300041380
UPRN 5300041381
UPRN 5300041382
UPRN 5300041383
Planning

What happened?

12 planning applications across the postcode; 10 approved of 11 decided (90.9%). Latest 12 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Erection of single storey rear extension.
13 Hatley Road, London, N4 3NN · premises record
Applicant William Caiger-Smith · Agent Coste · Officer Euan Cheyne
Full Planning (Householder)
Approved
2026-03-16
Erection of a mansard roof extension, alteration to existing single-storey rear infill extension and first floor rear fenestration, and installation of rooflight to outrigger roof.
27 Hatley Road, London, N4 3NN · premises record
Applicant Miss Clare Henwood · Agent Mr Joshua Heasman · Officer Cyrus Wong
Full Planning (Householder)
Approved
2025-11-26
Erection of mansard roof extension.
26 Hatley Road, London, N4 3NN · premises record
Applicant Mr Lewis Freeman · Agent Steve Carter · Officer Euan Cheyne
Full Planning (Householder)
Approved
2025-01-10
Erection of mansard roof extension and creation of roof terrace at second floor over existing flat roof rear outrigger
25 Hatley Road, London, N4 3NN · premises record
Applicant Mr Max Astaire · Agent Mr Steve Carter · Officer Euan Cheyne
Full Planning (Householder)
VALIDATED
2024-01-17
Erection of mansard roof extension
28 Hatley Road, London, N4 3NN · premises record
Applicant Mr Edward Cumming · Agent Mr Steve Carter · Officer Calum Pollock
Full Planning (Householder)
Approved
2023-06-30
Erection of a mansard roof extension
24 Hatley Road, London, N4 3NN · premises record
Applicant Mr Keith Mason · Agent Mr Steve Carter · Officer Ross Harvey
Full Planning (Householder)
Approved
2023-06-27
Erection of mansard roof extension
25 Hatley Road, London, N4 3NN · premises record
Applicant Mr Max Astaire · Agent Mr Steve Carter · Officer Euan Cheyne
Full Planning (Householder)
Approved
2023-04-28
Erection of a mansard roof extension.
20 Hatley Road, London, N4 3NN · premises record
Applicant Mr Richard Warburton · Agent Mr Steve Carter · Officer Luke Bates
Full Planning (Householder)
Approved
2022-09-23
Replacement of single glazed timber windows with double glazed timber units on the front and rear elevations, finished in white to match the existing windows. For property no. 16 only, replacement of timber front entrance door with new timber panelled door, and replacement of any rear doors with new timber doors. Roof covering replacement for no. 15 & 16, with new artificial slates.
14, 15 & 16 Hatley Road, London, N4 3NN · premises record
Applicant Daniel Salici · Agent Mr Alex Johnson · Officer Owen Griffiths
Full Planning Application
Approved
2022-06-08
Replacement of single glazed timber windows with double glazed timber units on the front and rear elevations, finished in white to match the existing windows.
23 Hatley Road, London, N4 3NN · premises record
Applicant Daniel Salici · Agent Mr Alex Johnson · Officer Owen Griffiths
Full Planning (Householder)
Approved
2022-06-08
Erection of single storey rear extension.
13 Hatley Road, London, N4 3NN · premises record
Applicant William Caiger-Smith · Agent Coste · Officer Euan Cheyne
Approved
2026-03-16
More
Full Planning (Householder)
Erection of a mansard roof extension, alteration to existing single-storey rear infill extension and first floor rear fenestration, and installation of rooflight to outrigger roof.
27 Hatley Road, London, N4 3NN · premises record
Applicant Miss Clare Henwood · Agent Mr Joshua Heasman · Officer Cyrus Wong
Approved
2025-11-26
More
Full Planning (Householder)
Erection of mansard roof extension.
26 Hatley Road, London, N4 3NN · premises record
Applicant Mr Lewis Freeman · Agent Steve Carter · Officer Euan Cheyne
Approved
2025-01-10
More
Full Planning (Householder)
Show all 10 rows
Erection of mansard roof extension and creation of roof terrace at second floor over existing flat roof rear outrigger
25 Hatley Road, London, N4 3NN · premises record
Applicant Mr Max Astaire · Agent Mr Steve Carter · Officer Euan Cheyne
VALIDATED
2024-01-17
More
Full Planning (Householder)
Erection of mansard roof extension
28 Hatley Road, London, N4 3NN · premises record
Applicant Mr Edward Cumming · Agent Mr Steve Carter · Officer Calum Pollock
Approved
2023-06-30
More
Full Planning (Householder)
Erection of a mansard roof extension
24 Hatley Road, London, N4 3NN · premises record
Applicant Mr Keith Mason · Agent Mr Steve Carter · Officer Ross Harvey
Approved
2023-06-27
More
Full Planning (Householder)
Erection of mansard roof extension
25 Hatley Road, London, N4 3NN · premises record
Applicant Mr Max Astaire · Agent Mr Steve Carter · Officer Euan Cheyne
Approved
2023-04-28
More
Full Planning (Householder)
Erection of a mansard roof extension.
20 Hatley Road, London, N4 3NN · premises record
Applicant Mr Richard Warburton · Agent Mr Steve Carter · Officer Luke Bates
Approved
2022-09-23
More
Full Planning (Householder)
Replacement of single glazed timber windows with double glazed timber units on the front and rear elevations, finished in white to match the existing windows. For property no. 16 only, replacement of timber front entrance door with new timber panelled door, and replacement of any rear doors with new timber doors. Roof covering replacement for no. 15 & 16, with new artificial slates.
14, 15 & 16 Hatley Road, London, N4 3NN · premises record
Applicant Daniel Salici · Agent Mr Alex Johnson · Officer Owen Griffiths
Approved
2022-06-08
More
Full Planning Application
Replacement of single glazed timber windows with double glazed timber units on the front and rear elevations, finished in white to match the existing windows.
23 Hatley Road, London, N4 3NN · premises record
Applicant Daniel Salici · Agent Mr Alex Johnson · Officer Owen Griffiths
Approved
2022-06-08
More
Full Planning (Householder)

Building control

Building-control records are not yet collected for Islington — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode now.

People

Who is involved?

Named on the latest 12 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 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
Agent on 5 applications
Applicant on 3 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
Applicant on 1 application
Agent on 5 applications
Development

What could it become?

Planning precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 6, D: 15, E: 2.
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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

2 intent signals recorded in this postcode
Lapsed consent · Long hold
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
N4 3NN, Islington: planning and property history | Planning Atlas