Postcode record · Enfield
N21 3JS.
N21 3JS has 31 known premises and 20 planning records — 14 approved of 18 decided (77.8%). 17 EPC records.
Postcode N21 3JS · boundary not held, centred on the postcodeApprovedRefusedOther20 exact20 on the map — every match
At a glance · this postcodeEnfield profile →
31
Premises
known addresses (UPRNs)
20
Applications
18 decided
77.8%
Approval rate
14 approved · 4 refused
17
EPC records
ratings C 2 · D 10 · E 4 · F 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?
N21 3JS has 31 known premises and 20 planning records — 14 approved of 18 decided (77.8%). 17 EPC records.
Premises (18 of 31 shown)
Name
Details
UPRN 207083868
UPRN 207083869
UPRN 207083870
UPRN 207083871
UPRN 207083872
UPRN 207083873
UPRN 207083874
UPRN 207083875
UPRN 207084116
UPRN 207084117
UPRN 207083868
UPRN 207083869
UPRN 207083870
Show all 10 rows
UPRN 207083871
UPRN 207083872
UPRN 207083873
UPRN 207083874
UPRN 207083875
UPRN 207084116
UPRN 207084117
Planning
What happened?
20 planning applications across the postcode; 14 approved of 18 decided (77.8%). Latest 20 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of loft space into habitable rooms involving rooflights to front and rear.
29A Arlow Road London N21 3JS · premises record
Full
Approved
2025-01-30
Demolition of existing garage /store and erection of a new garage /outbuilding including mezzanine level together with patio and pergola.
11 Arlow Road London N21 3JS · premises record
Householder
Refused
2022-05-18
Single storey rear extension
11 Arlow Road London N21 3JS · premises record
Householder
Approved
2016-12-13
Conversion of garage into habitable room.
7 Arlow Road London N21 3JS · premises record
Full
Approved
2016-05-26
Single storey rear extension 6m deep, 3m high and 3m to eaves.
25 Arlow Road London N21 3JS · premises record
Class A HH - Prior Approval
No objection
2015-09-28
Single storey rear extension.
25 Arlow Road London N21 3JS · premises record
Householder
Approved
2015-07-24
Alterations to roof to form gable end, rear dormer and rooflights to front.
25 Arlow Road London N21 3JS · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2015-07-24
Single storey rear and side extension.
Ground Floor Flat 29 Arlow Road London N21 3JS · premises record
Full
Approved
2014-06-05
Conversion of loft space into habitable rooms involving rooflights to front and rear.
29A Arlow Road London N21 3JS · premises record
Approved
2025-01-30
More
Full
Side return extension
19 Arlow Road London N21 3JS · premises record
Approved
2024-06-07
More
Householder
Demolition of existing garage /store and erection of a new garage /outbuilding including mezzanine level together with patio and pergola.
11 Arlow Road London N21 3JS · premises record
Refused
2022-05-18
More
Householder
Show all 10 rows
Single storey rear extension.
33A Arlow Road London N21 3JS · premises record
Approved
2021-08-23
More
Full
Single storey rear extension
11 Arlow Road London N21 3JS · premises record
Approved
2016-12-13
More
Householder
Conversion of garage into habitable room.
7 Arlow Road London N21 3JS · premises record
Approved
2016-05-26
More
Full
Single storey rear extension 6m deep, 3m high and 3m to eaves.
25 Arlow Road London N21 3JS · premises record
No objection
2015-09-28
More
Class A HH - Prior Approval
Single storey rear extension.
25 Arlow Road London N21 3JS · premises record
Approved
2015-07-24
More
Householder
Alterations to roof to form gable end, rear dormer and rooflights to front.
25 Arlow Road London N21 3JS · premises record
Approved
2015-07-24
More
Cert of Lawful Use/Operation - Proposed
Single storey rear and side extension.
Ground Floor Flat 29 Arlow Road London N21 3JS · premises record
Approved
2014-06-05
More
Full
Building control
Building-control records are not yet collected for Enfield — 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 31 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 31 of 31 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 31 of 31 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).
Hurst Road0 mHoppers Road0 mArlow Road0 mDownes Court41 mHaslemere Road49 mOrpington Road51 mFootpath From Compton Road To Orpington Road59 m
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 2 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
Applicant on 1 application
Applicant on 2 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
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.
Energy17 EPC records; ratings C: 2, D: 10, E: 4, 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
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.
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.