Postcode record · Enfield
N21 1TH.
N21 1TH has 51 known premises and 12 planning records — 8 approved of 10 decided (80%). 30 EPC records.
Postcode N21 1TH · boundary not held, centred on the postcodeApprovedRefusedOther12 on the map — every match
At a glance · this postcodeEnfield profile →
51
Premises
known addresses (UPRNs)
12
Applications
10 decided
80%
Approval rate
8 approved · 2 refused
56 days
Median decision time
average 62 days · 10 dated decisions
30
EPC records
ratings B 1 · C 22 · D 7
12
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 1TH has 51 known premises and 12 planning records — 8 approved of 10 decided (80%). 30 EPC records.
Premises (18 of 51 shown)
Name
Details
UPRN 207001444
UPRN 207005660
UPRN 207168084
UPRN 207168085
UPRN 207168086
UPRN 207168087
UPRN 207168088
UPRN 207168089
UPRN 207168090
UPRN 207001444
UPRN 207005660
Show all 10 rows
UPRN 207168084
UPRN 207168085
UPRN 207168086
UPRN 207168087
UPRN 207168088
UPRN 207168089
UPRN 207168090
Planning
What happened?
12 planning applications across the postcode; 8 approved of 10 decided (80%). Latest 12 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Extension to roof at side to form gable end with rear dormer and front rooflights.
21 Anderson Close London N21 1TH · premises record
Officer Mr Andrew Pommells
Householder
Refused
2023-04-11
Single storey side extension.
30 Anderson Close London N21 1TH · premises record
Officer Michael Kotoh-Mortty
Householder
Approved
2021-06-30
Single storey rear extension.
30 Anderson Close London N21 1TH · premises record
Officer Mr Mark Smith
Householder
Approved
2017-03-30
Conversion of garage into habitable room involving alterations to front elevation and enlargement of front entrance porch.
21 Anderson Close London N21 1TH · premises record
Officer Ms Marina Lai
Householder
Approved
2016-10-26
Single storey rear extension with lantern roof light.
16, Anderson Close, London, N21 1TH · premises record
Officer Mr Nigel Catherall
Householder
Approved
2014-03-18
Works to ash tree in Conservation Area - reduce crown spread and height by 33% and remove deadwood
18, Anderson Close, London, N21 1TH · premises record
Works to a tree in a Conservation Area
Approved
2005-07-26
Works to a tree in a Conservation area - 1 x Beech tree to be felled.
Opposite 27 -29, Anderson Close, Off Tresillion Avenue, Winchmore Hill, London, N21 1TH · premises record
Works to a tree in a Conservation Area
Approved
2004-06-28
Two-storey side extension.
18, Anderson Close, Winchmore Hill, London, N21 1TH · premises record
—
Approved
2002-08-08
Conservatory at rear.
17, Anderson Close, Winchmore Hill, London, N21 · premises record
Full
Refused
2000-08-09
Extension to roof at side to form gable end with rear dormer and front rooflights.
21 Anderson Close London N21 1TH · premises record
Officer Mr Andrew Pommells
Refused
2023-04-11
More
Householder
Single storey side extension.
30 Anderson Close London N21 1TH · premises record
Officer Michael Kotoh-Mortty
Approved
2021-06-30
More
Householder
Single storey rear extension.
30 Anderson Close London N21 1TH · premises record
Officer Mr Mark Smith
Approved
2017-03-30
More
Householder
Show all 10 rows
Conversion of garage into habitable room involving alterations to front elevation and enlargement of front entrance porch.
21 Anderson Close London N21 1TH · premises record
Officer Ms Marina Lai
Approved
2016-10-26
More
Householder
Single storey rear extension with lantern roof light.
16, Anderson Close, London, N21 1TH · premises record
Officer Mr Nigel Catherall
Approved
2014-03-18
More
Householder
Works to ash tree in Conservation Area - reduce crown spread and height by 33% and remove deadwood
18, Anderson Close, London, N21 1TH · premises record
Approved
2005-07-26
More
Works to a tree in a Conservation Area
Works to a tree in a Conservation area - 1 x Beech tree to be felled.
Opposite 27 -29, Anderson Close, Off Tresillion Avenue, Winchmore Hill, London, N21 1TH · premises record
Approved
2004-06-28
More
Works to a tree in a Conservation Area
Two-storey side extension.
18, Anderson Close, Winchmore Hill, London, N21 1TH · premises record
Approved
2002-08-08
More
—
Conservatory at rear.
17, Anderson Close, Winchmore Hill, London, N21 · premises record
Refused
2000-08-09
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 51 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 51 of 51 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 51 of 51 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).
Anderson Close0 mFootpath From Tresilian Avenue To Rear Of 28 Treves Close0 mTresilian Avenue0 mFootpath From Anderson Close To Rear Of 28 Treves Close6 mFootpath From Laidlaw Drive To Tresilian Avenue7 mFleming Drive11 mHighlands Avenue22 mHansen Drive29 mTreves Close33 mAccess Road From Newsholme Drive To Mcdowell Court36 m
People
Who is involved?
Named on the latest 12 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Show all 5 rows
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy30 EPC records; ratings B: 1, C: 22, D: 7.
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.