Planning Atlas
AtlasPostcodeN213QJ
Planning Atlas›Enfield›…Winchmore Hill ward›N21 3QJ
Postcode record · Enfield

N21 3QJ.

N21 3QJ has 45 known premises and 58 planning records — 39 approved of 52 decided (75%). 24 EPC records.

Postcode N21 3QJ · boundary not held, centred on the postcodeApprovedRefusedOther58 exact58 on the map — every match
At a glance · this postcodeEnfield profile →
45
Premises
known addresses (UPRNs)
58
Applications
52 decided
75%
Approval rate
39 approved · 13 refused
24
EPC records
ratings B 1 · C 4 · D 15 · E 4
58
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 3QJ has 45 known premises and 58 planning records — 39 approved of 52 decided (75%). 24 EPC records.

Premises (18 of 45 shown)

Name
Details
UPRN 207005746
UPRN 207022806
UPRN 207025822
UPRN 207090994
UPRN 207090995
UPRN 207091195
UPRN 207091196
UPRN 207091207
UPRN 207094172
UPRN 207094173
UPRN 207005746
UPRN 207022806
UPRN 207025822
Show all 10 rows
UPRN 207090994
UPRN 207090995
UPRN 207091195
UPRN 207091196
UPRN 207091207
UPRN 207094172
UPRN 207094173
Planning

What happened?

58 planning applications across the postcode; 39 approved of 52 decided (75%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Extension of roof to side to form gable, rear dormer and front roof lights.
65 Hillfield Park London N21 3QJ · premises record
Applicant Mr & Mrs Kanfer · Agent Papa Architects · Officer Bea Watkinson
Cert of Lawful Use/Operation - Proposed
Approved
2025-10-08
Single storey rear extension 5m deep x 3m high (4m high to eaves).
65 Hillfield Park London N21 3QJ · premises record
Class A HH - Prior Approval
Refused
2024-06-26
Removal of existing rear wall doors and windows, replacement of new full-width Bi-Folding doors changing the rear wall fenestration and adding a sky lantern and conversion of garage into habitable room.
77 Hillfield Park London N21 3QJ · premises record
Householder
Approved
2023-11-24
Work to Oak tree covered by LBE ORDER NO (67) 1977 - Crown lift the canopy of its lowest branch up to crown break at approximately 5m and thin the canopy of interior growth at a ratio of no more than 5:1 (17%).
7 Hillfield Park London N21 3QJ · premises record
Applicant Minas · Agent Thor's Trees · Officer Christian Sheldon
Works to a tree with a TPO
Approved
2020-07-21
Conversion of garage into habitable room involving alterations to front elevation and single storey rear / side extension (Part Retrospective).
43 Hillfield Park London N21 3QJ · premises record
Householder
Approved
2020-07-10
Extension of roof to side to form gable end, rear dormer with juliette balcony and rooflights to front.
39 Hillfield Park London N21 3QJ · premises record
Applicant Mrs Meltem Hooker · Agent A Jones + Co · Officer Carolyn Southall
Cert of Lawful Use/Operation - Proposed
Approved
2019-02-04
Single storey rear extension
57 Hillfield Park London N21 3QJ · premises record
Applicant Ms N Mustafa · Agent HK Architects · Officer Carolyn Southall
Householder
Refused
2018-07-18
Single storey rear extension.
57 Hillfield Park London N21 3QJ · premises record
Applicant Ms N Mustafa · Agent HK Architects · Officer Mr Ray Reilly
Householder
Refused
2018-01-10
Single storey rear extension 5m deep x 3.45m high (3.04m high to eaves)
41 Hillfield Park London N21 3QJ · premises record
Class A HH - Prior Approval
No objection
2017-12-18
Construction of a hip to gable extension and a rear dormer with a Juliette balcony, rooflights to the front.
7 Hillfield Park London N21 3QJ · premises record
Applicant Mr Theo Minas · Agent Buildplans · Officer Hanan Osman
Cert of Lawful Use/Operation - Proposed
Approved
2016-09-21
Extension of roof to side to form gable, rear dormer and front roof lights.
65 Hillfield Park London N21 3QJ · premises record
Applicant Mr & Mrs Kanfer · Agent Papa Architects · Officer Bea Watkinson
Approved
2025-10-08
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension 5m deep x 3m high (4m high to eaves).
65 Hillfield Park London N21 3QJ · premises record
Refused
2024-06-26
More
Class A HH - Prior Approval
Removal of existing rear wall doors and windows, replacement of new full-width Bi-Folding doors changing the rear wall fenestration and adding a sky lantern and conversion of garage into habitable room.
77 Hillfield Park London N21 3QJ · premises record
Approved
2023-11-24
More
Householder
Show all 10 rows
Work to Oak tree covered by LBE ORDER NO (67) 1977 - Crown lift the canopy of its lowest branch up to crown break at approximately 5m and thin the canopy of interior growth at a ratio of no more than 5:1 (17%).
7 Hillfield Park London N21 3QJ · premises record
Applicant Minas · Agent Thor's Trees · Officer Christian Sheldon
Approved
2020-07-21
More
Works to a tree with a TPO
Conversion of garage into habitable room involving alterations to front elevation and single storey rear / side extension (Part Retrospective).
43 Hillfield Park London N21 3QJ · premises record
Approved
2020-07-10
More
Householder
Extension of roof to side to form gable end, rear dormer with juliette balcony and rooflights to front.
39 Hillfield Park London N21 3QJ · premises record
Applicant Mrs Meltem Hooker · Agent A Jones + Co · Officer Carolyn Southall
Approved
2019-02-04
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension
57 Hillfield Park London N21 3QJ · premises record
Applicant Ms N Mustafa · Agent HK Architects · Officer Carolyn Southall
Refused
2018-07-18
More
Householder
Single storey rear extension.
57 Hillfield Park London N21 3QJ · premises record
Applicant Ms N Mustafa · Agent HK Architects · Officer Mr Ray Reilly
Refused
2018-01-10
More
Householder
Single storey rear extension 5m deep x 3.45m high (3.04m high to eaves)
41 Hillfield Park London N21 3QJ · premises record
No objection
2017-12-18
More
Class A HH - Prior Approval
Construction of a hip to gable extension and a rear dormer with a Juliette balcony, rooflights to the front.
7 Hillfield Park London N21 3QJ · premises record
Applicant Mr Theo Minas · Agent Buildplans · Officer Hanan Osman
Approved
2016-09-21
More
Cert of Lawful Use/Operation - Proposed

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 45 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 45 of 45 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 45 of 45 premises. Some normally permitted changes may require planning permission.
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 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 precedent58 applications and 58 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy24 EPC records; ratings B: 1, C: 4, D: 15, E: 4.
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.

6 intent signals recorded in this postcode
Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.