Postcode record · Enfield
N21 1LY.
N21 1LY has 22 known premises and 46 planning records — 27 approved of 38 decided (71.1%). 13 EPC records.
Postcode N21 1LY · boundary not held, centred on the postcodeApprovedRefusedOther46 exact46 on the map — every match
At a glance · this postcodeEnfield profile →
22
Premises
known addresses (UPRNs)
46
Applications
38 decided
71.1%
Approval rate
27 approved · 11 refused
13
EPC records
ratings B 1 · D 4 · E 8
46
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 1LY has 22 known premises and 46 planning records — 27 approved of 38 decided (71.1%). 13 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 207102446
UPRN 207102447
UPRN 207102448
UPRN 207102449
UPRN 207102450
UPRN 207102451
UPRN 207102453
UPRN 207102454
UPRN 207102455
UPRN 207102456
UPRN 207102446
UPRN 207102447
UPRN 207102448
Show all 10 rows
UPRN 207102449
UPRN 207102450
UPRN 207102451
UPRN 207102453
UPRN 207102454
UPRN 207102455
UPRN 207102456
Planning
What happened?
46 planning applications across the postcode; 27 approved of 38 decided (71.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part single, part 2 storey rear/side extension involving demolition of garage with new side door and rear dormer.
74 Houndsden Road London N21 1LY · premises record
Householder
Application in Progress
2026-03-19
Single storey rear extension 5m deep x 3m high (3m high to eaves) and single storey rear extension 3.97m deep x 3m high (3m high to eaves).
74 Houndsden Road London N21 1LY · premises record
Class A HH - Prior Approval
Objection
2025-12-30
Single storey rear extension, front garage extension involving change to garage door and rear dormer with front and side rooflights.
66 Houndsden Road London N21 1LY · premises record
Householder
Approved
2025-08-22
Single storey rear extension, rear dormer with front rooflights and extension to roof at side to form gable end.
60 Houndsden Road London N21 1LY · premises record
Applicant Ms Contardo · Officer Mahboubeh Bahrami-Jovein
Householder
Approved
2025-06-02
Single storey rear extension, front garage extension and rear dormer with front rooflights.
66 Houndsden Road London N21 1LY · premises record
Householder
Refused
2025-05-28
Details pursuant to Ref: 24/00992/HOU for sustainable drainage strategy (4) in respect of the two storey side extension, single storey front extension, conversion of garage to habitable room, rear dormer and front and side roof lights.
52 Houndsden Road London N21 1LY · premises record
Discharge Condition
Approved
2024-06-18
Two storey side extension, single storey front extension, conversion of garage to habitable room, rear dormer and front and side roof lights.
52 Houndsden Road London N21 1LY · premises record
Householder
Approved
2024-03-27
Single storey rear extension 5m deep x 3.6m high (2.6m high to eaves).
52 Houndsden Road London N21 1LY · premises record
Class A HH - Prior Approval
Objection
2024-03-27
Single storey side extension and conversion of garage into habitable.
42 Houndsden Road London N21 1LY · premises record
Householder
Approved
2022-06-15
Single storey rear extension, first floor side extension, together with rear dormer, front rooflights, Juliette balcony and conversion of garage into habitable room with front alterations.
72 Houndsden Road London N21 1LY · premises record
Householder
Approved
2022-03-31
Part single, part 2 storey rear/side extension involving demolition of garage with new side door and rear dormer.
74 Houndsden Road London N21 1LY · premises record
Application in Progress
2026-03-19
More
Householder
Single storey rear extension 5m deep x 3m high (3m high to eaves) and single storey rear extension 3.97m deep x 3m high (3m high to eaves).
74 Houndsden Road London N21 1LY · premises record
Objection
2025-12-30
More
Class A HH - Prior Approval
Single storey rear extension, front garage extension involving change to garage door and rear dormer with front and side rooflights.
66 Houndsden Road London N21 1LY · premises record
Approved
2025-08-22
More
Householder
Show all 10 rows
Single storey rear extension, rear dormer with front rooflights and extension to roof at side to form gable end.
60 Houndsden Road London N21 1LY · premises record
Applicant Ms Contardo · Officer Mahboubeh Bahrami-Jovein
Approved
2025-06-02
More
Householder
Single storey rear extension, front garage extension and rear dormer with front rooflights.
66 Houndsden Road London N21 1LY · premises record
Refused
2025-05-28
More
Householder
Details pursuant to Ref: 24/00992/HOU for sustainable drainage strategy (4) in respect of the two storey side extension, single storey front extension, conversion of garage to habitable room, rear dormer and front and side roof lights.
52 Houndsden Road London N21 1LY · premises record
Approved
2024-06-18
More
Discharge Condition
Two storey side extension, single storey front extension, conversion of garage to habitable room, rear dormer and front and side roof lights.
52 Houndsden Road London N21 1LY · premises record
Approved
2024-03-27
More
Householder
Single storey rear extension 5m deep x 3.6m high (2.6m high to eaves).
52 Houndsden Road London N21 1LY · premises record
Objection
2024-03-27
More
Class A HH - Prior Approval
Single storey side extension and conversion of garage into habitable.
42 Houndsden Road London N21 1LY · premises record
Approved
2022-06-15
More
Householder
Single storey rear extension, first floor side extension, together with rear dormer, front rooflights, Juliette balcony and conversion of garage into habitable room with front alterations.
72 Houndsden Road London N21 1LY · premises record
Approved
2022-03-31
More
Householder
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 22 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 22 of 22 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 22 of 22 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 30 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 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Development
What could it become?
Planning precedent46 applications and 46 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings B: 1, D: 4, E: 8.
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.