Planning Atlas
AtlasPostcodeN211HZ
Planning AtlasEnfieldWinchmore Hill wardN21 1HZ
Postcode record · Enfield

N21 1HZ.

N21 1HZ has 5 known premises and 18 planning records — 11 approved of 17 decided (64.7%). 2 EPC records.

Postcode N21 1HZ · boundary not held, centred on the postcodeApprovedRefusedOther18 exact1 approximate19 on the map — every match
At a glance · this postcodeEnfield profile →
5
Premises
known addresses (UPRNs)
18
Applications
17 decided
64.7%
Approval rate
11 approved · 6 refused
2
EPC records
ratings B 1 · D 1
19
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 1HZ has 5 known premises and 18 planning records — 11 approved of 17 decided (64.7%). 2 EPC records.

Premises

Planning

What happened?

18 planning applications across the postcode; 11 approved of 17 decided (64.7%). Latest 18 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Works to 1 x silver birch (T1) protected by LBE ORDER NO (156) 1983: crown reduction by 4-5m (approx. 50%).
3 Denleigh Gardens London N21 1HZ · premises record
Works to a tree with a TPO
Refused
2022-09-20
Works to 2 x oak trees covered by LBE TPO (No. 327) 2007: (T1,T2)-reduce all branches overhanging number 6 by 2m.
4 Denleigh Gardens London N21 1HZ · premises record
Works to a tree with a TPO
Approved
2021-04-28
Works to 2 x oak trees covered by LBE TPO (No. 327) 2007: (T1,T2)-reduce all branches overhanging number 6 by up to 3m.
4 Denleigh Gardens London N21 1HZ · premises record
Works to a tree with a TPO
Refused
2021-02-12
Works to yew tree in The Winchmore Hill Green Conservation Area: (T3) reduce branches overhanging number 6 by up to 2m.
4 Denleigh Gardens London N21 1HZ · premises record
Applicant Mrs Tina Tong · Agent Tree Matters Ltd · Officer Christian Sheldon
Works to a tree in a Conservation Area
Approved
2021-02-12
Householder
1 Denleigh Gardens London N21 1HZ · premises record
Householder
Decided
2020-10-15
Two storey side extension involving front porch, extension to roof to provide gable end, creation of basement level incorporating car lift, external alterations involving rendering with bricks , new windows and doors to front and rear.
1 Denleigh Gardens London N21 1HZ · premises record
Applicant Mr & Mrs Norris · Agent H and J Architecture · Officer Alex Johnson
Householder
Refused
2020-07-13
Works to cherry, holly and bay trees in Winchmore Hill Green Conservation Area - fell to ground level.
Land Adjacent To 6 Denleigh Gardens London N21 1HZ · premises record
Works to a tree in a Conservation Area
Approved
2018-06-14
Extension to roof to form gable end and increase roof height with rear dormer and front rooflights.
5 Denleigh Gardens London N21 1HZ · premises record
Householder
Approved
2018-04-09
Works to 3x Oak trees covered by LBE TPO (No. 327) 2007: Reduce overhang by 2m.
6 Denleigh Gardens London N21 1HZ · premises record
Works to a tree with a TPO
Approved
2018-03-06
Householder
5 Denleigh Gardens London N21 1HZ · premises record
Householder
Approved
2017-09-26
Works to 1 x silver birch (T1) protected by LBE ORDER NO (156) 1983: crown reduction by 4-5m (approx. 50%).
3 Denleigh Gardens London N21 1HZ · premises record
Refused
2022-09-20
More
Works to a tree with a TPO
Works to 2 x oak trees covered by LBE TPO (No. 327) 2007: (T1,T2)-reduce all branches overhanging number 6 by 2m.
4 Denleigh Gardens London N21 1HZ · premises record
Approved
2021-04-28
More
Works to a tree with a TPO
Works to 2 x oak trees covered by LBE TPO (No. 327) 2007: (T1,T2)-reduce all branches overhanging number 6 by up to 3m.
4 Denleigh Gardens London N21 1HZ · premises record
Refused
2021-02-12
More
Works to a tree with a TPO
Show all 10 rows
Works to yew tree in The Winchmore Hill Green Conservation Area: (T3) reduce branches overhanging number 6 by up to 2m.
4 Denleigh Gardens London N21 1HZ · premises record
Applicant Mrs Tina Tong · Agent Tree Matters Ltd · Officer Christian Sheldon
Approved
2021-02-12
More
Works to a tree in a Conservation Area
Householder
1 Denleigh Gardens London N21 1HZ · premises record
Decided
2020-10-15
More
Householder
Two storey side extension involving front porch, extension to roof to provide gable end, creation of basement level incorporating car lift, external alterations involving rendering with bricks , new windows and doors to front and rear.
1 Denleigh Gardens London N21 1HZ · premises record
Applicant Mr & Mrs Norris · Agent H and J Architecture · Officer Alex Johnson
Refused
2020-07-13
More
Householder
Works to cherry, holly and bay trees in Winchmore Hill Green Conservation Area - fell to ground level.
Land Adjacent To 6 Denleigh Gardens London N21 1HZ · premises record
Approved
2018-06-14
More
Works to a tree in a Conservation Area
Extension to roof to form gable end and increase roof height with rear dormer and front rooflights.
5 Denleigh Gardens London N21 1HZ · premises record
Approved
2018-04-09
More
Householder
Works to 3x Oak trees covered by LBE TPO (No. 327) 2007: Reduce overhang by 2m.
6 Denleigh Gardens London N21 1HZ · premises record
Approved
2018-03-06
More
Works to a tree with a TPO
Householder
5 Denleigh Gardens London N21 1HZ · premises record
Approved
2017-09-26
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 5 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Borough wide · reference AD17 · covers 5 of 5 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Winchmore Hill · reference AD31 · covers 1 of 5 premises. Some normally permitted changes may require planning permission.
Conservation Area
WINCHMORE HILL GREEN · reference CA09 · covers 1 of 5 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Borough wide · reference AD17 · covers 5 of 5 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Winchmore Hill · reference AD31 · covers 1 of 5 premises. Some normally permitted changes may require planning permission.
Conservation Area
WINCHMORE HILL GREEN · reference CA09 · covers 1 of 5 premises. Demolition, alterations, trees and design are subject to additional heritage controls.

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 18 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 4 applications
Case officer on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 4 applications
Case officer on 2 applications
Development

What could it become?

Planning precedent18 applications and 19 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy2 EPC records; ratings B: 1, D: 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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

2 intent signals recorded in this postcode
Repeat sale · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.