Postcode record · Enfield
N21 2LN.
N21 2LN has 17 known premises and 13 planning records — 13 approved of 13 decided (100%). 7 EPC records.
Postcode N21 2LN · boundary not held, centred on the postcodeApprovedRefusedOther13 on the map — every match
At a glance · this postcodeEnfield profile →
17
Premises
known addresses (UPRNs)
13
Applications
13 decided
100%
Approval rate
13 approved · 0 refused
7
EPC records
ratings D 2 · E 3 · F 1 · G 1
13
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 2LN has 17 known premises and 13 planning records — 13 approved of 13 decided (100%). 7 EPC records.
Premises
Name
Details
UPRN 207113872
UPRN 207113873
UPRN 207113874
UPRN 207113875
UPRN 207113876
UPRN 207113877
UPRN 207113878
UPRN 207113879
UPRN 207113880
UPRN 207113900
UPRN 207113872
UPRN 207113873
UPRN 207113874
Show all 10 rows
UPRN 207113875
UPRN 207113876
UPRN 207113877
UPRN 207113878
UPRN 207113879
UPRN 207113880
UPRN 207113900
Planning
What happened?
13 planning applications across the postcode; 13 approved of 13 decided (100%). Latest 13 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with raised terrace.�
51 Grange Park Avenue London N21 2LN · premises record
Householder
Approved
2025-04-10
Extension of roof to side to form gable, rear dormer, front roof lights.
51 Grange Park Avenue London N21 2LN · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2025-04-10
Non-Material Amendment to 20/00093/HOU to allow lowering the level of the rear terrace and alterations to the rear glazing and doors.
55 Grange Park Avenue London N21 2LN · premises record
App for Non-Material Amendments
Approved
2020-07-13
Single storey rear extension and conversion of garage at rear into habitable room.
59 Grange Park Avenue London N21 2LN · premises record
Householder
Approved
2020-05-14
Extension to roof at side to form gable end with rear dormer, front rooflights and Juliette balcony.
59 Grange Park Avenue London N21 2LN · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2020-05-14
Single storey rear extension.
55 Grange Park Avenue London N21 2LN · premises record
Applicant Mr David Locke · Agent GOA Studio London residential architecture limited · Officer Amma Busia
Householder
Approved
2020-01-13
Extension to roof at side to form gable end with rear dormers with patio doors and Juliette balcony including front/rear rooflights together with installation of windows to front elevation at 1st floor level.
71 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2019-09-10
Single storey rear extension and rear patio extension.
57 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Householder
Approved
2017-11-28
Conversion of garage into habitable room involving alterations to front and rear elevation with internal Alterations.
69 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Householder
Approved
2016-08-24
Single storey rear extension and raised patio
55 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Householder
Approved
2016-04-29
Single storey rear extension with raised terrace.�
51 Grange Park Avenue London N21 2LN · premises record
Approved
2025-04-10
More
Householder
Extension of roof to side to form gable, rear dormer, front roof lights.
51 Grange Park Avenue London N21 2LN · premises record
Approved
2025-04-10
More
Cert of Lawful Use/Operation - Proposed
Non-Material Amendment to 20/00093/HOU to allow lowering the level of the rear terrace and alterations to the rear glazing and doors.
55 Grange Park Avenue London N21 2LN · premises record
Approved
2020-07-13
More
App for Non-Material Amendments
Show all 10 rows
Single storey rear extension and conversion of garage at rear into habitable room.
59 Grange Park Avenue London N21 2LN · premises record
Approved
2020-05-14
More
Householder
Extension to roof at side to form gable end with rear dormer, front rooflights and Juliette balcony.
59 Grange Park Avenue London N21 2LN · premises record
Approved
2020-05-14
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension.
55 Grange Park Avenue London N21 2LN · premises record
Applicant Mr David Locke · Agent GOA Studio London residential architecture limited · Officer Amma Busia
Approved
2020-01-13
More
Householder
Extension to roof at side to form gable end with rear dormers with patio doors and Juliette balcony including front/rear rooflights together with installation of windows to front elevation at 1st floor level.
71 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Approved
2019-09-10
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension and rear patio extension.
57 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Approved
2017-11-28
More
Householder
Conversion of garage into habitable room involving alterations to front and rear elevation with internal Alterations.
69 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Approved
2016-08-24
More
Householder
Single storey rear extension and raised patio
55 Grange Park Avenue Winchmore Hill London N21 2LN · premises record
Approved
2016-04-29
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 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 13 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 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
Agent on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
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
Agent on 2 applications
Development
What could it become?
Planning precedent13 applications and 13 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings D: 2, E: 3, F: 1, G: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.