Planning Atlas
AtlasPostcodeN89sy
Dev
Session
Tier
Planning AtlasHaringeyCrouch End wardN8 9SY
Postcode record · Haringey

N8 9SY.

N8 9SY has 93 known premises and 71 planning records — 55 approved of 60 decided (91.7%). 40 EPC records.

HaringeyCrouch EndN8 9SY
Postcode N8 9SY · boundary not held, centred on the postcodeApprovedRefusedOther104 on the map — every match
At a glance · this postcodeHaringey profile →
93
Premises
known addresses (UPRNs)
71
Applications
60 decided
91.7%
Approval rate
55 approved · 5 refused
54 days
Median decision time
average 142 days · 70 dated decisions · validation to decision (no separate receipt date)
40
EPC records
ratings B 3 · C 13 · D 15 · E 6 · F 3
104
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?

N8 9SY has 93 known premises and 71 planning records — 55 approved of 60 decided (91.7%). 40 EPC records.

Premises (18 of 93 shown)

Planning

What happened?

71 planning applications across the postcode; 55 approved of 60 decided (91.7%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Works to tree protected by a TPO. T1 Horse Chestnut. Reduce remaining trunk to 1m (fence height) extensive decay in trunk (Works to T2 Lime will be considered separately under Section 211 Notice reference HGY/2025/3259 as this tree is not protected by a TPO but is located within a Conservation Area)
Flat A 35 Weston Park Hornsey London N8 9SY · premises record
Approved
2025-12-30
T2 lime - reduce to previous reduction points (1m -2m to be removed) light thin (Works to T1 Horse Chestnut will be considered separately under Tree Works application reference HGY/2025/3253 as this tree is protected by a TPO)
Flat A 35 Weston Park Hornsey London N8 9SY · premises record
No objection
2025-12-22
T1 - a large Ash tree that previously caused subsidence to our building and it's now very overgrown and needs a trim. My property semidetached and it's located in my back garden which is for my sole use. I want to trim the branches on crown by 1-2 metres.
25 Weston Park Hornsey London N8 9SY · premises record
No objection
2025-10-02
T1-Ash tree (8m)- fell to ground level.
25 Weston Park Hornsey London N8 9SY · premises record
No objection
2025-09-12
T1, T2, T3 and T4- Ash trees (16m )- at back of garden- prune back branches overhanging Prime Mews by up to 4m T5-Large Ash tree (20m)-crown reduction of approximately 4m on all aspects of tree (back to previous pruning points), T6- Silver Birch tree- crown reduction of up to 2m, thin crown to allow more light in to garden.
33 Weston Park Hornsey London N8 9SY · premises record
Officer Daniel Monk
Works to trees in Conservation Area
No objection
2024-06-24
Replacement of existing timber frame sash windows with like for like double glazed timber sash windows
Flat B 15 Weston Park Hornsey London N8 9SY · premises record
Approved
2024-02-22
Erection of single storey rear extension to replace existing
53 Weston Park Hornsey London N8 9SY · premises record
Approved
2024-01-29
Construction of outbuilding in rear garden
Flat A 39 Weston Park Hornsey London N8 9SY · premises record
Approved
2023-12-07
Erection of a single storey rear extension
Flat A 39 Weston Park Hornsey London N8 9SY · premises record
Approved
2023-11-29
Proposed extension of existing cellar to form habitable accommodation with associated alterations including formation of front lightwells and installation of new windows (Proposal identical to expired approved application HGY/2020/1177).
47 Weston Park Hornsey London N8 9SY · premises record
Approved
2023-10-12
Works to tree protected by a TPO. T1 Horse Chestnut. Reduce remaining trunk to 1m (fence height) extensive decay in trunk (Works to T2 Lime will be considered separately under Section 211 Notice reference HGY/2025/3259 as this tree is not protected by a TPO but is located within a Conservation Area)
Flat A 35 Weston Park Hornsey London N8 9SY · premises record
Approved
2025-12-30
More
T2 lime - reduce to previous reduction points (1m -2m to be removed) light thin (Works to T1 Horse Chestnut will be considered separately under Tree Works application reference HGY/2025/3253 as this tree is protected by a TPO)
Flat A 35 Weston Park Hornsey London N8 9SY · premises record
No objection
2025-12-22
More
T1 - a large Ash tree that previously caused subsidence to our building and it's now very overgrown and needs a trim. My property semidetached and it's located in my back garden which is for my sole use. I want to trim the branches on crown by 1-2 metres.
25 Weston Park Hornsey London N8 9SY · premises record
No objection
2025-10-02
More
Show all 10 rows
T1-Ash tree (8m)- fell to ground level.
25 Weston Park Hornsey London N8 9SY · premises record
No objection
2025-09-12
More
T1, T2, T3 and T4- Ash trees (16m )- at back of garden- prune back branches overhanging Prime Mews by up to 4m T5-Large Ash tree (20m)-crown reduction of approximately 4m on all aspects of tree (back to previous pruning points), T6- Silver Birch tree- crown reduction of up to 2m, thin crown to allow more light in to garden.
33 Weston Park Hornsey London N8 9SY · premises record
Officer Daniel Monk
No objection
2024-06-24
More
Works to trees in Conservation Area
Replacement of existing timber frame sash windows with like for like double glazed timber sash windows
Flat B 15 Weston Park Hornsey London N8 9SY · premises record
Approved
2024-02-22
More
Erection of single storey rear extension to replace existing
53 Weston Park Hornsey London N8 9SY · premises record
Approved
2024-01-29
More
Construction of outbuilding in rear garden
Flat A 39 Weston Park Hornsey London N8 9SY · premises record
Approved
2023-12-07
More
Erection of a single storey rear extension
Flat A 39 Weston Park Hornsey London N8 9SY · premises record
Approved
2023-11-29
More
Proposed extension of existing cellar to form habitable accommodation with associated alterations including formation of front lightwells and installation of new windows (Proposal identical to expired approved application HGY/2020/1177).
47 Weston Park Hornsey London N8 9SY · premises record
Approved
2023-10-12
More

Building control

Building-control records are not yet collected for Haringey — 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 93 premises each one covers.

Designation
Coverage
Conservation Area
Crouch End · reference CA5 · covers 93 of 93 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
7.5.1 The APA contains the historic settlement of Crouch End as depicted on John Rocque’s 1746 map of London. The settlement is first referred to in 1465 and it appears to have developed around the intersection of · reference 77145 · covers 18 of 93 premises. Groundworks may require archaeological assessment or investigation.
Conservation Area
Crouch End · reference CA5 · covers 93 of 93 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
7.5.1 The APA contains the historic settlement of Crouch End as depicted on John Rocque’s 1746 map of London. The settlement is first referred to in 1465 and it appears to have developed around the intersection of · reference 77145 · covers 18 of 93 premises. Groundworks may require archaeological assessment or investigation.
People

Who is involved?

Named on the latest 30 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
Development

What could it become?

Planning precedent71 applications and 104 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy40 EPC records; ratings B: 3, C: 13, D: 15, E: 6, F: 3.
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.

12 intent signals recorded in this postcode
Portfolio seller · Repeat sale · Price decline · 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.
N8 9SY, Haringey: planning and property history | Planning Atlas