Planning Atlas
Planning AtlasEnfieldWinchmore Hill wardN21 3DE
Postcode record · Enfield

N21 3DE.

N21 3DE has 17 known premises and 24 planning records — 14 approved of 19 decided (73.7%). 7 EPC records.

Postcode N21 3DE · boundary not held, centred on the postcodeApprovedRefusedOther24 exact24 on the map — every match
At a glance · this postcodeEnfield profile →
17
Premises
known addresses (UPRNs)
24
Applications
19 decided
73.7%
Approval rate
14 approved · 5 refused
7
EPC records
ratings D 6 · E 1
24
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 3DE has 17 known premises and 24 planning records — 14 approved of 19 decided (73.7%). 7 EPC records.

Premises

Planning

What happened?

24 planning applications across the postcode; 14 approved of 19 decided (73.7%). Latest 24 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
First floor side extension, rear dormer with juliette balcony and rooflights to side.
19 Oaklands London N21 3DE · premises record
Householder
Approved
2020-02-11
Single storey rear extension.
7 Oaklands London N21 3DE · premises record
Householder
Approved
2017-11-27
Single storey ear extension to existing extension totalling 8m deep x 2.6m high (2.6m high to eaves).
21 Oaklands London N21 3DE · premises record
Class A HH - Prior Approval
Objection
2015-12-14
Single-storey rear extension
21 Oaklands London N21 3DE · premises record
Householder
Refused
2015-10-26
Extension to the roof at the side, flank window, rear dormer with doors and balustrades, 2 x front roof lights, reduction in roof height of first floor rear.
11 Oaklands London N21 3DE · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2015-10-20
Single storey rear extension 8m deep x 2.6m high (2.6m high to eaves).
21 Oaklands London N21 3DE · premises record
Class A HH - Prior Approval
Objection
2015-05-05
Erection of a two storey rear extension, 2 x side dormers and roof lights, rear dormer, conversion of garage to habitable room.
21 Oaklands London N21 3DE · premises record
Applicant Mr Atip Ghosh · Agent Urbanist Architecture · Officer Mr Mark Smith
Householder
Approved
2015-02-12
Single storey rear extension.
19 Oaklands London N21 3DE · premises record
Cert of Lawful Use/Operation - Existing
Approved
2015-01-19
First floor side extension, extension of hipped roof over and rear dormer with patio doors and balustrade.
19 Oaklands London N21 3DE · premises record
Applicant Mr Numan DEVRIM · Agent CRYSTALBLUESKY · Officer Ms Eloise Kiernan
Householder
Approved
2015-01-19
Erection 2 storey rear extension, rear dormer and conversion of garage to habitable room.
21 Oaklands London N21 3DE · premises record
Cert of Lawful Use/Operation - Proposed
Withdrawn
2014-12-15
First floor side extension, rear dormer with juliette balcony and rooflights to side.
19 Oaklands London N21 3DE · premises record
Approved
2020-02-11
More
Householder
Single storey rear extension.
7 Oaklands London N21 3DE · premises record
Approved
2017-11-27
More
Householder
Single storey ear extension to existing extension totalling 8m deep x 2.6m high (2.6m high to eaves).
21 Oaklands London N21 3DE · premises record
Objection
2015-12-14
More
Class A HH - Prior Approval
Show all 10 rows
Single-storey rear extension
21 Oaklands London N21 3DE · premises record
Refused
2015-10-26
More
Householder
Extension to the roof at the side, flank window, rear dormer with doors and balustrades, 2 x front roof lights, reduction in roof height of first floor rear.
11 Oaklands London N21 3DE · premises record
Approved
2015-10-20
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension 8m deep x 2.6m high (2.6m high to eaves).
21 Oaklands London N21 3DE · premises record
Objection
2015-05-05
More
Class A HH - Prior Approval
Erection of a two storey rear extension, 2 x side dormers and roof lights, rear dormer, conversion of garage to habitable room.
21 Oaklands London N21 3DE · premises record
Applicant Mr Atip Ghosh · Agent Urbanist Architecture · Officer Mr Mark Smith
Approved
2015-02-12
More
Householder
Single storey rear extension.
19 Oaklands London N21 3DE · premises record
Approved
2015-01-19
More
Cert of Lawful Use/Operation - Existing
First floor side extension, extension of hipped roof over and rear dormer with patio doors and balustrade.
19 Oaklands London N21 3DE · premises record
Applicant Mr Numan DEVRIM · Agent CRYSTALBLUESKY · Officer Ms Eloise Kiernan
Approved
2015-01-19
More
Householder
Erection 2 storey rear extension, rear dormer and conversion of garage to habitable room.
21 Oaklands London N21 3DE · premises record
Withdrawn
2014-12-15
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 17 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 17 of 17 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 24 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 5 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Applicant on 5 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Development

What could it become?

Planning precedent24 applications and 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings D: 6, E: 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 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.

3 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.
N21 3DE, Enfield: Planning and Property History | Planning Atlas