Postcode record · Enfield
N21 1ER.
N21 1ER has 12 known premises and 25 planning records — 15 approved of 21 decided (71.4%). 10 EPC records.
Postcode N21 1ER · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeEnfield profile →
12
Premises
known addresses (UPRNs)
25
Applications
21 decided
71.4%
Approval rate
15 approved · 6 refused
10
EPC records
ratings B 1 · C 1 · D 4 · E 4
25
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 1ER has 12 known premises and 25 planning records — 15 approved of 21 decided (71.4%). 10 EPC records.
Premises
Name
Details
UPRN 207102585
UPRN 207102586
UPRN 207102587
UPRN 207102588
UPRN 207102589
UPRN 207102784
UPRN 207124289
UPRN 207124290
UPRN 207124366
UPRN 207124367
UPRN 207102585
UPRN 207102586
UPRN 207102587
Show all 10 rows
UPRN 207102588
UPRN 207102589
UPRN 207102784
UPRN 207124289
UPRN 207124290
UPRN 207124366
UPRN 207124367
Planning
What happened?
25 planning applications across the postcode; 15 approved of 21 decided (71.4%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Extension to roof at side to form gable end with rear dormer, together with single storey side extension, front entrance porch and installation of windows to flank elevation.
4 Cadogan Gardens London N21 1ER · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2017-06-22
Single storey rear extension pursuant to prior approval ref: 17/01527/PRH
4 Cadogan Gardens London N21 1ER · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2017-05-26
Extension to roof at side to form gable end with rear dormer, single storey side extension and front entrance porch.
4 Cadogan Gardens London N21 1ER · premises record
—
Refused
2017-04-06
Single storey rear extension 5.5m deep x 2.17m high (2.17m high to eaves)
4 Cadogan Gardens London N21 1ER · premises record
Class A HH - Prior Approval
No objection
2017-03-31
Single storey side and rear extension and extension to roof at side to form gable end with rear dormer.
4 Cadogan Gardens London N21 1ER · premises record
Householder
Withdrawn
2017-01-12
Single storey side and rear extension, front porch and rear dormer.
6, Cadogan Gardens, London, N21 1ER · premises record
Cert of Lawful Use/Operation - Proposed
Refused
2014-01-17
Alterations to roof to form gable end with flank window and rear dormer.
18, Cadogan Gardens, London, N21 1ER · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2012-07-06
Single storey side and rear extension
8, Cadogan Gardens, London, N21 1ER · premises record
Householder
Approved
2011-12-19
Variation of condition 11 of approval under Ref:TP/07/0761to allow installation of roof light to ground floor level at rear of two detached 2-storey 4-bed single family dwelling houses.
22, Cadogan Gardens, London, N21 1ER · premises record
Full
Approved
2010-11-17
Extension to roof at side to form gable end with rear dormer, together with single storey side extension, front entrance porch and installation of windows to flank elevation.
4 Cadogan Gardens London N21 1ER · premises record
Approved
2017-06-22
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension pursuant to prior approval ref: 17/01527/PRH
4 Cadogan Gardens London N21 1ER · premises record
Approved
2017-05-26
More
Cert of Lawful Use/Operation - Proposed
Extension to roof at side to form gable end with rear dormer, single storey side extension and front entrance porch.
4 Cadogan Gardens London N21 1ER · premises record
Refused
2017-04-06
More
—
Show all 10 rows
Single storey rear extension 5.5m deep x 2.17m high (2.17m high to eaves)
4 Cadogan Gardens London N21 1ER · premises record
No objection
2017-03-31
More
Class A HH - Prior Approval
Single storey side and rear extension and extension to roof at side to form gable end with rear dormer.
4 Cadogan Gardens London N21 1ER · premises record
Withdrawn
2017-01-12
More
Householder
Single storey side and rear extension, front porch and rear dormer.
6, Cadogan Gardens, London, N21 1ER · premises record
Refused
2014-01-17
More
Cert of Lawful Use/Operation - Proposed
Alterations to roof to form gable end with flank window and rear dormer.
18, Cadogan Gardens, London, N21 1ER · premises record
Approved
2012-07-06
More
Cert of Lawful Use/Operation - Proposed
Single storey side and rear extension
8, Cadogan Gardens, London, N21 1ER · premises record
Approved
2011-12-19
More
Householder
Variation of condition 11 of approval under Ref:TP/07/0761to allow installation of roof light to ground floor level at rear of two detached 2-storey 4-bed single family dwelling houses.
22, Cadogan Gardens, London, N21 1ER · premises record
Approved
2010-11-17
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 12 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 12 of 12 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 12 of 12 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 25 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 5 applications
Applicant on 4 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Applicant on 5 applications
Applicant on 4 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings B: 1, C: 1, D: 4, 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 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?
How long would a planning application take here? →
Enfield's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Enfield, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.