Postcode record · Enfield
N21 1LG.
N21 1LG has 37 known premises and 20 planning records — 17 approved of 17 decided (100%). 27 EPC records.
Postcode N21 1LG · boundary not held, centred on the postcodeApprovedRefusedOther20 exact1 approximate21 on the map — every match
At a glance · this postcodeEnfield profile →
37
Premises
known addresses (UPRNs)
20
Applications
17 decided
100%
Approval rate
17 approved · 0 refused
27
EPC records
ratings B 1 · C 10 · D 9 · E 7
21
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 1LG has 37 known premises and 20 planning records — 17 approved of 17 decided (100%). 27 EPC records.
Premises (18 of 37 shown)
Name
Details
UPRN 207003058
UPRN 207003059
UPRN 207022821
UPRN 207120552
UPRN 207120553
UPRN 207120554
UPRN 207120555
UPRN 207120556
UPRN 207120557
UPRN 207120558
UPRN 207003058
UPRN 207003059
UPRN 207022821
Show all 10 rows
UPRN 207120552
UPRN 207120553
UPRN 207120554
UPRN 207120555
UPRN 207120556
UPRN 207120557
UPRN 207120558
Planning
What happened?
20 planning applications across the postcode; 17 approved of 17 decided (100%). Latest 20 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Works to a tree in Winchmore Hill Green Conservation area: Palm - Remove the tree to ground level, to an estimated 20cm and professionally grind a tree stump below ground level to a depth of approximately 20cm.
7 Hill House Close London N21 1LG · premises record
Works to a tree in a Conservation Area
Approved
2026-02-23
Works to a tree in Winchmore Hill Green Conservation area: T1 - Hornbeam ( Carpinus betulus ) - Crown reduction by 2m in height and 1.5m in lateral growth back to previous pruning points, leaving buds to encourage regrowth.
24A Hill House Close London N21 1LG · premises record
Works to a tree in a Conservation Area
Approved
2025-10-16
Works to trees in The Winchmore Hill Green Conservation Area: 1 x pine(T1)-reduce height by 4m and reduce all side branches by up to 1m, 1x elder(T2)-reduce by 2m and prune back from neighbours, 1x elder (T3)- fell to ground level, 1x cherry(T4)-reduce crown by up to 2m.
24 Hill House Close London N21 1LG · premises record
Works to a tree in a Conservation Area
Approved
2021-01-27
Single storey rear extension, conversion of garage into habitable room and juliet balony to first floor rear.
8 Hill House Close London N21 1LG · premises record
Householder
Withdrawn
2020-07-20
Single storey rear extension, conversion of garage into habitable room and Juliet balcony to first floor rear.
8 Hill House Close London N21 1LG · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2020-07-20
Single storey rear extension and conversion of garage into habitable accommodation.
6 Hill House Close London N21 1LG · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2018-10-22
Works to 1x Sycamore tree in Winchmore Hill Green Conservation Area: Fell.
7 Hill House Close London N21 1LG · premises record
Applicant Mr Jolyon Powney · Officer Mr Stephen Downing
Works to a tree in a Conservation Area
Approved
2018-09-03
Single storey rear extension with rooflights
10 Hill House Close London N21 1LG · premises record
Cert of Lawful Use/Operation - Proposed
Approved
2017-05-03
Subdivision of site and erection 1 x 3-bed single family dwelling with off street parking, amenity space, construction of wall to side, raised rear decking and ramp to front.
1 Hill House Close London N21 1LG · premises record
Full
Approved
2016-05-31
Subdivision of site and erection 1 x 3 -bed single family dwelling, off street parking, amenity space, construction of wall to side, raised rear decking and ramp to front.
1 Hill House Close London N21 1LG · premises record
Full
Other
2015-11-18
Works to a tree in Winchmore Hill Green Conservation area: Palm - Remove the tree to ground level, to an estimated 20cm and professionally grind a tree stump below ground level to a depth of approximately 20cm.
7 Hill House Close London N21 1LG · premises record
Approved
2026-02-23
More
Works to a tree in a Conservation Area
Works to a tree in Winchmore Hill Green Conservation area: T1 - Hornbeam ( Carpinus betulus ) - Crown reduction by 2m in height and 1.5m in lateral growth back to previous pruning points, leaving buds to encourage regrowth.
24A Hill House Close London N21 1LG · premises record
Approved
2025-10-16
More
Works to a tree in a Conservation Area
Works to trees in The Winchmore Hill Green Conservation Area: 1 x pine(T1)-reduce height by 4m and reduce all side branches by up to 1m, 1x elder(T2)-reduce by 2m and prune back from neighbours, 1x elder (T3)- fell to ground level, 1x cherry(T4)-reduce crown by up to 2m.
24 Hill House Close London N21 1LG · premises record
Approved
2021-01-27
More
Works to a tree in a Conservation Area
Show all 10 rows
Single storey rear extension, conversion of garage into habitable room and juliet balony to first floor rear.
8 Hill House Close London N21 1LG · premises record
Withdrawn
2020-07-20
More
Householder
Single storey rear extension, conversion of garage into habitable room and Juliet balcony to first floor rear.
8 Hill House Close London N21 1LG · premises record
Approved
2020-07-20
More
Cert of Lawful Use/Operation - Proposed
Single storey rear extension and conversion of garage into habitable accommodation.
6 Hill House Close London N21 1LG · premises record
Approved
2018-10-22
More
Cert of Lawful Use/Operation - Proposed
Works to 1x Sycamore tree in Winchmore Hill Green Conservation Area: Fell.
7 Hill House Close London N21 1LG · premises record
Applicant Mr Jolyon Powney · Officer Mr Stephen Downing
Approved
2018-09-03
More
Works to a tree in a Conservation Area
Single storey rear extension with rooflights
10 Hill House Close London N21 1LG · premises record
Approved
2017-05-03
More
Cert of Lawful Use/Operation - Proposed
Subdivision of site and erection 1 x 3-bed single family dwelling with off street parking, amenity space, construction of wall to side, raised rear decking and ramp to front.
1 Hill House Close London N21 1LG · premises record
Approved
2016-05-31
More
Full
Subdivision of site and erection 1 x 3 -bed single family dwelling, off street parking, amenity space, construction of wall to side, raised rear decking and ramp to front.
1 Hill House Close London N21 1LG · premises record
Other
2015-11-18
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 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.
Conservation Area
WINCHMORE HILL GREEN · reference CA09 · covers 37 of 37 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
Archaeological priority area surrounding possible Saxon settlement · reference 76634 · covers 19 of 37 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Borough wide · reference AD17 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Conservation Area
WINCHMORE HILL GREEN · reference CA09 · covers 37 of 37 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
Archaeological priority area surrounding possible Saxon settlement · reference 76634 · covers 19 of 37 premises. Groundworks may require archaeological assessment or investigation.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Hill House Close0 mChurch Hill0 mFootpath From Hill House Close To Church Hill1 mDenleigh Gardens22 mAccess Road From Church Hill To 29-53 Church Hill22 mLaurel Drive25 mAccess Road From Church Hill To Side Of 55 Church Hill25 mBroadfields Avenue43 mWades Grove51 m
People
Who is involved?
Named on the latest 20 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 precedent20 applications and 21 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy27 EPC records; ratings B: 1, C: 10, D: 9, E: 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.
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.