Postcode record · Enfield
N21 1DE.
N21 1DE has 27 known premises and 63 planning records — 44 approved of 51 decided (86.3%). 16 EPC records.
Postcode N21 1DE · boundary not held, centred on the postcodeApprovedRefusedOther63 exact63 on the map — every match
At a glance · this postcodeEnfield profile →
27
Premises
known addresses (UPRNs)
63
Applications
51 decided
86.3%
Approval rate
44 approved · 7 refused
16
EPC records
ratings C 2 · D 10 · E 3 · F 1
63
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 1DE has 27 known premises and 63 planning records — 44 approved of 51 decided (86.3%). 16 EPC records.
Premises (18 of 27 shown)
Name
Details
UPRN 207001693
UPRN 207124340
UPRN 207124341
UPRN 207124342
UPRN 207124343
UPRN 207124344
UPRN 207124345
UPRN 207124403
UPRN 207124404
UPRN 207001693
UPRN 207124340
Show all 10 rows
UPRN 207124341
UPRN 207124342
UPRN 207124343
UPRN 207124344
UPRN 207124345
UPRN 207124403
UPRN 207124404
Planning
What happened?
63 planning applications across the postcode; 44 approved of 51 decided (86.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension 3.8m deep x 3.35m high (3m high to eaves).
60 Cheyne Walk London N21 1DE · premises record
Class A HH - Prior Approval
No objection
2026-01-02
Demolition of existing conservatory and construction of single storey rear extension.
50 Cheyne Walk London N21 1DE · premises record
Householder
Approved
2025-11-17
First floor side/rear extension.
66 Cheyne Walk London N21 1DE · premises record
Householder
Approved
2025-09-26
Part single, part 2-storey front extension involving front entrance porch, conversion of garage into habitable room and alterations to front elevation.
78 Cheyne Walk London N21 1DE · premises record
Householder
Approved
2025-03-12
Extension to roof at side to form gable end with rear dormer and front rooflights.
86 Cheyne Walk London N21 1DE · premises record
Householder
Approved
2024-12-09
Non-material amendment to ref: 24/02471/HOU to allow extending dormer over the small flat roof at rear.
86 Cheyne Walk London N21 1DE · premises record
App for Non-Material Amendments
Withdrawn
2024-10-29
Single storey rear extension following demolition of existing conservatory.
64 Cheyne Walk London N21 1DE · premises record
Householder
Approved
2024-03-28
Single storey rear extension, extension of roof to side to create gable end, rear dormer, Juliette balcony and front rooflights and conversion of garage to habitable room with alterations to front facade.
52 Cheyne Walk London N21 1DE · premises record
Householder
Approved
2023-12-18
Ground floor rear extension, first floor rear extension, extension of roof to side to create gable end, rear dormer, Juliette balcony and front rooflights and alterations to front facade.
52 Cheyne Walk London N21 1DE · premises record
Householder
Refused
2023-10-06
Single storey rear extension 3.8m deep x 3.35m high (3m high to eaves).
60 Cheyne Walk London N21 1DE · premises record
No objection
2026-01-02
More
Class A HH - Prior Approval
Demolition of existing conservatory and construction of single storey rear extension.
50 Cheyne Walk London N21 1DE · premises record
Approved
2025-11-17
More
Householder
First floor side/rear extension.
66 Cheyne Walk London N21 1DE · premises record
Approved
2025-09-26
More
Householder
Show all 10 rows
Part single, part 2-storey front extension involving front entrance porch, conversion of garage into habitable room and alterations to front elevation.
78 Cheyne Walk London N21 1DE · premises record
Approved
2025-03-12
More
Householder
Extension to roof at side to form gable end with rear dormer and front rooflights.
86 Cheyne Walk London N21 1DE · premises record
Approved
2024-12-09
More
Householder
Non-material amendment to ref: 24/02471/HOU to allow extending dormer over the small flat roof at rear.
86 Cheyne Walk London N21 1DE · premises record
Withdrawn
2024-10-29
More
App for Non-Material Amendments
Single storey rear extension following demolition of existing conservatory.
64 Cheyne Walk London N21 1DE · premises record
Approved
2024-03-28
More
Householder
Single storey rear extension, extension of roof to side to create gable end, rear dormer, Juliette balcony and front rooflights and conversion of garage to habitable room with alterations to front facade.
52 Cheyne Walk London N21 1DE · premises record
Approved
2023-12-18
More
Householder
Ground floor rear extension, first floor rear extension, extension of roof to side to create gable end, rear dormer, Juliette balcony and front rooflights and alterations to front facade.
52 Cheyne Walk London N21 1DE · premises record
Refused
2023-10-06
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 27 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 27 of 27 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 27 of 27 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).
Cranleigh Gardens0 mCheyne Walk0 mUplands Way0 mAccess Road From Cheyne Walk To Bamabas Court1 mLangham Gardens41 m
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 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
Applicant on 1 application
Applicant on 1 application
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
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
Applicant on 1 application
Development
What could it become?
Planning precedent63 applications and 63 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 2, D: 10, E: 3, F: 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.
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.