Postcode record · Enfield
N21 1AT.
N21 1AT has 37 known premises and 61 planning records — 43 approved of 55 decided (78.2%). 18 EPC records.
Postcode N21 1AT · boundary not held, centred on the postcodeApprovedRefusedOther61 exact61 on the map — every match
At a glance · this postcodeEnfield profile →
37
Premises
known addresses (UPRNs)
61
Applications
55 decided
78.2%
Approval rate
43 approved · 12 refused
18
EPC records
ratings C 3 · D 7 · E 7 · F 1
61
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 1AT has 37 known premises and 61 planning records — 43 approved of 55 decided (78.2%). 18 EPC records.
Premises (18 of 37 shown)
Name
Details
UPRN 207000672
UPRN 207102646
UPRN 207102647
UPRN 207102742
UPRN 207102743
UPRN 207102759
UPRN 207102760
UPRN 207102761
UPRN 207114371
UPRN 207119258
UPRN 207000672
UPRN 207102646
UPRN 207102647
Show all 10 rows
UPRN 207102742
UPRN 207102743
UPRN 207102759
UPRN 207102760
UPRN 207102761
UPRN 207114371
UPRN 207119258
Planning
What happened?
61 planning applications across the postcode; 43 approved of 55 decided (78.2%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Outbuilding at rear.
34 Hillcrest London N21 1AT · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2025-08-08
Rear dormer, balustrade and front rooflights, together with rooflights to existing ground floor extension with first floor rear extension.
34 Hillcrest London N21 1AT · premises record
Cert of Lawful Use/Operation - Proposed
Refused
2025-08-08
Single storey side to rear extensions, extensions of roof at sides to form gables, rear dormer and front roof lights.
40 Hillcrest London N21 1AT · premises record
Householder
Approved
2025-07-09
Non-material amendment to ref: 24/03094/HOU to allow further enlargement to rear dormer and changing zinc colour from dark grey to black.
22 Hillcrest London N21 1AT · premises record
Non-Material Amendment
Approved
2025-01-29
Rear dormer with front roof light and installation of window to the rear at ground floor level to replace existing door.
22 Hillcrest London N21 1AT · premises record
Officer Mrs Jennie Rebairo
Householder
Approved
2024-09-13
Erection of rear boundary fence with gate to a maximum height of 1.85m.
25 Hillcrest London N21 1AT · premises record
Applicant Dr Manuel Antonio De Oliveira Gomes · Officer Mrs Jennie Rebairo
Householder
Approved
2024-02-19
Change of use from outbuilding to 1 x self contained dwellinghouse.
23 Hillcrest London N21 1AT · premises record
Full
Refused
2024-02-19
Replace existing front boundary wooden fence by erection of new front boundary wall made up of 900 mm brick and 900 mm timber to a maximum height of 2m.
19 Hillcrest London N21 1AT · premises record
Applicant Mr John Kieren Daley · Officer Kate Vaggers
Householder
Approved
2023-10-09
Part first floor and part 2nd floor side extension, involving alterations to roof together with rear dormer with Juliette balcony and front and side rooflights.
19 Hillcrest London N21 1AT · premises record
Householder
Approved
2021-11-29
Outbuilding at rear.
34 Hillcrest London N21 1AT · premises record
Approved
2025-08-08
More
Cert of Lawful Use/Operation - Proposed
Rear dormer, balustrade and front rooflights, together with rooflights to existing ground floor extension with first floor rear extension.
34 Hillcrest London N21 1AT · premises record
Refused
2025-08-08
More
Cert of Lawful Use/Operation - Proposed
Single storey side to rear extensions, extensions of roof at sides to form gables, rear dormer and front roof lights.
40 Hillcrest London N21 1AT · premises record
Approved
2025-07-09
More
Householder
Show all 10 rows
Non-material amendment to ref: 24/03094/HOU to allow further enlargement to rear dormer and changing zinc colour from dark grey to black.
22 Hillcrest London N21 1AT · premises record
Approved
2025-01-29
More
Non-Material Amendment
Rear dormer with front roof light and installation of window to the rear at ground floor level to replace existing door.
22 Hillcrest London N21 1AT · premises record
Officer Mrs Jennie Rebairo
Approved
2024-09-13
More
Householder
Erection of rear boundary fence with gate to a maximum height of 1.85m.
25 Hillcrest London N21 1AT · premises record
Applicant Dr Manuel Antonio De Oliveira Gomes · Officer Mrs Jennie Rebairo
Approved
2024-02-19
More
Householder
Change of use from outbuilding to 1 x self contained dwellinghouse.
23 Hillcrest London N21 1AT · premises record
Refused
2024-02-19
More
Full
Replace existing front boundary wooden fence by erection of new front boundary wall made up of 900 mm brick and 900 mm timber to a maximum height of 2m.
19 Hillcrest London N21 1AT · premises record
Applicant Mr John Kieren Daley · Officer Kate Vaggers
Approved
2023-10-09
More
Householder
Part first floor and part 2nd floor side extension, involving alterations to roof together with rear dormer with Juliette balcony and front and side rooflights.
19 Hillcrest London N21 1AT · premises record
Approved
2021-11-29
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 37 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Borough wide · reference AD17 · covers 37 of 37 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 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 1 application
Applicant on 2 applications
Applicant on 1 application
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 precedent61 applications and 61 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings C: 3, D: 7, E: 7, 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.
7 intent signals recorded in this postcode
Appeal dismissed · Beatable refusal · EPC F/G · Long hold
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.