Postcode record · Enfield
N21 3LA.
N21 3LA has 21 known premises and 11 planning records — 7 approved of 10 decided (70%). 6 EPC records.
Postcode N21 3LA · boundary not held, centred on the postcodeApprovedRefusedOther11 exact8 approximate19 on the map — every match
At a glance · this postcodeEnfield profile →
21
Premises
known addresses (UPRNs)
11
Applications
10 decided
70%
Approval rate
7 approved · 3 refused
6
EPC records
ratings C 1 · D 4 · E 1
19
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 3LA has 21 known premises and 11 planning records — 7 approved of 10 decided (70%). 6 EPC records.
Premises (18 of 21 shown)
Name
Details
UPRN 207008799
UPRN 207008800
UPRN 207008801
UPRN 207017864
UPRN 207017865
UPRN 207037937
UPRN 207037938
UPRN 207037939
UPRN 207094315
UPRN 207094316
UPRN 207008799
UPRN 207008800
UPRN 207008801
Show all 10 rows
UPRN 207017864
UPRN 207017865
UPRN 207037937
UPRN 207037938
UPRN 207037939
UPRN 207094315
UPRN 207094316
Planning
What happened?
11 planning applications across the postcode; 7 approved of 10 decided (70%). Latest 11 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a temporary detached garden room at rear (outbuilding).
Ground Floor Flat 150 Hoppers Road London N21 3LA · premises record
Full
Approved
2021-05-24
Rear dormer with front and side rooflights.
160C Hoppers Road London N21 3LA · premises record
Applicant Mr Jonathan Mangham · Officer Alex Johnson
Full
Approved
2020-03-18
Extension to roof at side to form gable end with rear dormer and front rooflights.
160C Hoppers Road London N21 3LA · premises record
Applicant Mr Jonathan Mangham · Officer Alex Johnson
Full
Refused
2019-12-13
Gable end , rear dormer windows and rooflights to front.
156 Hoppers Road London N21 3LA · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2014-09-15
Raising of roof height, including 2x roof lights at front.
156 Hoppers Road London N21 3LA · premises record
Householder
Approved
2014-09-12
Extension to roof at side to form gable end with two rooflights at front, rear dormer with patio doors and balustrade and raising of roof height.
156 Hoppers Road London N21 3LA · premises record
Householder
Refused
2014-06-20
Single storey rear extension
156, Hoppers Road, London, N21 3LA · premises record
Applicant Mr David Crofts · Agent Kevin Birch
Cert of Lawful Use/Operation - Proposed
Approved
2008-09-02
Single storey rear extension.
158, Hoppers Road, London, N21 · premises record
Applicant Mr. J. Howley · Agent Edgewheat Construction Ltd
Cert of Lawful Use/Operation - Proposed
Approved
1998-04-02
Erection of single storey extension at rear of existing house.
158, Hoppers Road, London, N21 · premises record
Applicant Mr. J. Howley · Agent Edgewheat Construction Ltd.
Cert of Lawful Use/Operation - Proposed
Refused
1997-01-24
Erection of a temporary detached garden room at rear (outbuilding).
Ground Floor Flat 150 Hoppers Road London N21 3LA · premises record
Approved
2021-05-24
More
Full
Rear dormer with front and side rooflights.
160C Hoppers Road London N21 3LA · premises record
Applicant Mr Jonathan Mangham · Officer Alex Johnson
Approved
2020-03-18
More
Full
Extension to roof at side to form gable end with rear dormer and front rooflights.
160C Hoppers Road London N21 3LA · premises record
Applicant Mr Jonathan Mangham · Officer Alex Johnson
Refused
2019-12-13
More
Full
Show all 10 rows
Gable end , rear dormer windows and rooflights to front.
156 Hoppers Road London N21 3LA · premises record
Approved
2014-09-15
More
Cert of Lawful Use/Operation - Proposed
Raising of roof height, including 2x roof lights at front.
156 Hoppers Road London N21 3LA · premises record
Approved
2014-09-12
More
Householder
Extension to roof at side to form gable end with two rooflights at front, rear dormer with patio doors and balustrade and raising of roof height.
156 Hoppers Road London N21 3LA · premises record
Refused
2014-06-20
More
Householder
Single storey rear extension
156, Hoppers Road, London, N21 3LA · premises record
Applicant Mr David Crofts · Agent Kevin Birch
Approved
2008-09-02
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension.
158, Hoppers Road, London, N21 · premises record
Applicant Mr. J. Howley · Agent Edgewheat Construction Ltd
Approved
1998-04-02
More
Cert of Lawful Use/Operation - Proposed
Erection of single storey extension at rear of existing house.
158, Hoppers Road, London, N21 · premises record
Applicant Mr. J. Howley · Agent Edgewheat Construction Ltd.
Refused
1997-01-24
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 21 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 21 of 21 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 21 of 21 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 11 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 2 applications
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent11 applications and 19 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 1, D: 4, 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
The Developer PlanOwnership, 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.