Postcode record · Enfield
N21 1NN.
N21 1NN has 17 known premises and 17 planning records — 15 approved of 17 decided (88.2%). 10 EPC records.
Postcode N21 1NN · boundary not held, centred on the postcodeApprovedRefusedOther17 on the map — every match
At a glance · this postcodeEnfield profile →
17
Premises
known addresses (UPRNs)
17
Applications
17 decided
88.2%
Approval rate
15 approved · 2 refused
10
EPC records
ratings C 1 · D 8 · E 1
17
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 1NN has 17 known premises and 17 planning records — 15 approved of 17 decided (88.2%). 10 EPC records.
Premises
Name
Details
UPRN 207112418
UPRN 207112420
UPRN 207112421
UPRN 207112422
UPRN 207112423
UPRN 207112424
UPRN 207112425
UPRN 207112426
UPRN 207112427
UPRN 207112428
UPRN 207112418
UPRN 207112420
UPRN 207112421
Show all 10 rows
UPRN 207112422
UPRN 207112423
UPRN 207112424
UPRN 207112425
UPRN 207112426
UPRN 207112427
UPRN 207112428
Planning
What happened?
17 planning applications across the postcode; 15 approved of 17 decided (88.2%). Latest 17 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Details submitted pursuant to reference 25/01369/HOU: privacy screen (4) in respect of single storey rear extension and raised patio to rear.
11 Holly Hill London N21 1NN · premises record
Discharge of Conditions
Approved
2025-06-25
Single storey rear extension and raised patio to rear.
11 Holly Hill London N21 1NN · premises record
Officer Mrs Jennie Rebairo
Householder
Approved
2025-04-08
Cert of Lawful Use/Operation - Proposed
Refused
2025-02-19
Householder
Approved
2022-02-11
Alterations to roof to form gable end with rear dormer and rooflights to front.
7 Holly Hill London N21 1NN · premises record
Officer Mrs Jennie Rebairo
Cert of Lawful Use/Operation - Proposed
Approved
2020-08-13
Single storey rear extension with glass balustrade and lower ground basement extension with raised patio.
19 Holly Hill London N21 1NN · premises record
Officer Mrs Jennie Rebairo
Householder
Approved
2017-06-06
Single storey rear extension, new basement and terrace at rear.
21 Holly Hill London N21 1NN · premises record
Officer Mr Francis Wambugu
Householder
Approved
2016-12-08
Householder
Approved
2011-08-04
Alterations to roof to form a gable end and rear dormer.
9, Holly Hill, London, N21 1NN · premises record
Officer Mr Richard Laws
Cert of Lawful Use/Operation - Proposed
Approved
2011-05-10
Single storey rear extension
19, Holly Hill, London, N21 1NN · premises record
Officer Mr Richard Laws
Full
Approved
2006-11-27
Details submitted pursuant to reference 25/01369/HOU: privacy screen (4) in respect of single storey rear extension and raised patio to rear.
11 Holly Hill London N21 1NN · premises record
Approved
2025-06-25
More
Discharge of Conditions
Single storey rear extension and raised patio to rear.
11 Holly Hill London N21 1NN · premises record
Officer Mrs Jennie Rebairo
Approved
2025-04-08
More
Householder
Refused
2025-02-19
More
Cert of Lawful Use/Operation - Proposed
Show all 10 rows
Approved
2022-02-11
More
Householder
Alterations to roof to form gable end with rear dormer and rooflights to front.
7 Holly Hill London N21 1NN · premises record
Officer Mrs Jennie Rebairo
Approved
2020-08-13
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension with glass balustrade and lower ground basement extension with raised patio.
19 Holly Hill London N21 1NN · premises record
Officer Mrs Jennie Rebairo
Approved
2017-06-06
More
Householder
Single storey rear extension, new basement and terrace at rear.
21 Holly Hill London N21 1NN · premises record
Officer Mr Francis Wambugu
Approved
2016-12-08
More
Householder
Approved
2011-08-04
More
Householder
Alterations to roof to form a gable end and rear dormer.
9, Holly Hill, London, N21 1NN · premises record
Officer Mr Richard Laws
Approved
2011-05-10
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension
19, Holly Hill, London, N21 1NN · premises record
Officer Mr Richard Laws
Approved
2006-11-27
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 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 17 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 5 applications
Case officer on 4 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 5 applications
Case officer on 4 applications
Case officer on 1 application
Show all 4 rows
Case officer on 1 application
Development
What could it become?
Planning precedent17 applications and 17 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 1, D: 8, 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
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.