4 Hornsey Lane, London, N6 5LZ Data via plota.co.uk

P2026/1145/FUL - Full Planning (Householder) Approved
DemolitionExtensions & alterations

Proposal

Demolition and reconstruction of the rear two storey outrigger, together with the erection of a rear infill side extension. The proposal also includes internal alterations and the installation of one new window to the rear elevation. (Listed Building Consent application ref: P2026/1146/LBC also submitted). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
2 Jun 2026
✓
Consultation
11 Jun 2026
✓
Approved
7 Sept 2026

Approved on 7 Sept 2026 · Delegated · Last checked 8 Sept 2026

Documents

View the documents on the council's website ↗

Associated applications 2

Site constraints 13

Article 4 directionCritical Drainage Group3_002Finchley - islingtonHighgate Hill/Hornsey LaneII
Grade II listed: 2 and 4, Hornsey Lane
List entry 1195638 · 4 m away · 17 more listed buildings within 150 m (2 Grade I, 3 Grade II*, 12 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 17 with distances
Historic England ↗
COA00000610 conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Air quality management area: Islington AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Registered park or garden 69 m away: Waterlow Park
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Article 4 directionCouncil record
Some permitted development rights are withdrawn. The direction is on the council's register but not published as open data.
Council site ↗
Critical Drainage Group3_002Council record
Recorded by the council for this site.
Council site ↗
Finchley - islingtonCouncil record
Recorded by the council for this site.
Council site ↗
Highgate Hill/Hornsey LaneCouncil record
Recorded by the council for this site.
Council site ↗
IICouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Heritage at risk 54 m away: Church of St Joseph, Highgate Hill, Islington; Inside the Haringey built-up area; Metropolitan Open Land 68 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 2

Last sold for £997,000 in August 2015. Terraced house, freehold.

19 August 2015£997,000
18 January 2002£390,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Other new applications on this street

9 Sept 2026Pending

58 Hornsey Lane, London, N6 5LU

Internal configuration of the existing dwelling, replacement of side and rear el...

P2026/2384/FUL
11 Aug 2026Approved

12, Hornsey Lane, London, N6 5LX

T5 Common lime - Repollard back to previous pruning points. T6 Common lime - ...

P2026/2130/TRE
24 Apr 2026Approved

96, Hornsey Lane, London, N6 5LS

T1: Yew (7m): Reduce back to corner of house to give 1m clearance removing 2m of...

P2026/1067/TRE
24 Apr 2026Approved

St Aloysius College, 32 Hornsey Lane, London, N6 5LY

Approval of Details pursuant of condition 4 (Tree Planting Details) of planning ...

P2026/1089/AOD

Nearby new applications

1 Oct 2026Pending

43 Whitehall Park, London, N19 3TW

Rear garden: T1 - Pear - Completely remove mixed species vine/rose from crown.

P2026/2552/TRE
30 Sept 2026Pending

Flat A, 40 Highgate Hill, London, N19 5NQ

T1 - sycamore tree (14m) - take down to ground level.

P2026/2485/TRE
29 Sept 2026Pending

29 Hornsey Lane Gardens Hornsey London N6 5NY

Front garden: Lime (T1) - repollard (upto 3m off), remove dead stem. Reason: ge...

HGY/2026/2693
23 Sept 2026Pending

Langbourne Mansions Langbourne Avenue Holly Lodge Estate London N6 6PR

(C882 2009) FRONT VERGE:: 1 x Leylandii (T1) - Fell to ground level.

2026/4109/T
22 Sept 2026Pending

Kempton House 52 Cholmeley Park Hornsey London N6 5AD

Works to tree protected by a TPO. T19 - Common Lime - reduce crown over road by...

HGY/2026/2644
22 Sept 2026Pending

Kempton House 52 Cholmeley Park Hornsey London N6 5AD

T4 - Sycamore - crown reduce on building side to provide 2m clearance and remove...

HGY/2026/2650

Important details

Council
Islington
Application type
Full Planning (Householder)
Postcode
N6 5LZ
Received
2 Jun 2026
Validated
2 Jun 2026
Ward
Junction
Case officer
Show
Target decision
27 Jul 2026
Decision
Approve with conditions
Decision date
7 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
Show

How this decision compares

Decided in 97 days from validation, 32 days slower than Islington's median of 65 for demolitions. Approved, as 94% of demolitions here are.

35%decided within 8 weeks
94%approved
54decided in the last year

Plota live figures for demolitions decided by Islington in the last twelve months, from validation. Islington decision record →

Consultation & key dates

Alt. reference
PP-14889394
Comments by
4 Jul 2026
Site or press notice
11 Jun 2026
Statutory expiry
27 Jun 2026

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2021 Approved
Replacement of no.2 single glazed sash windows with like for like. (Full planning applica…
P2021/2298/LBC
2021 Approved
Replacement of no.2 single glazed sash windows with like for like. (Listed building conse…
P2021/2012/FUL
Within ~100m

Nearby activity

2025 Approved
64 Highgate Hill, London
Large Sycamore - Reduce three low limbs back to boundary (approx. 2.5m spread) leaving gr…
P2025/3208/TRE
2025 Approved
66 Highgate Hill, London, N19 5NQ
Cherry - Crown reduce the unruly height by branch lengths of up to 1.0m Crown reduce the…
P2025/3018/TRE
2025 Approved
12, Hornsey Lane, London, N6 5LX
T2 Common Yew - Sever and remove ivy to 1.5m above ground T3 Corsican Pine - Sever and re…
P2025/2671/TRE
2025 Approved
Flat 11, Thornbury House, Thornbury Square, London, N6 5YW
Replacement of rear windows with glazed double doors of ground floor flat
P2025/0631/FUL
2025
10 Thornbury Square, London, N6 5YN
Yew (T1): Trim back to previous shape (approx. 50cm all round) X2 Lime (T2 & T3): Prune o…
P2025/0401/TRE
2024 Approved
5 Netherleigh Close, London, N6 5LL
Replace existing single glazed windows and doors with double glazed timber windows to fro…
P2024/2445/FUL
2024
4 Thornbury Square, London, N6 5YN
2 Mature Lime trees, reduce lateral and vertical growth by 2-3 M approx back to most rece…
P2024/3650/TRE
2024 Approved
6 Netherleigh Close, London, N6 5LL
Replace existing single glazed windows and doors with double glazed timber windows to fro…
P2024/2444/FUL
2024 Approved
8 Netherleigh Close, London, N6 5LL
Replace existing single glazed windows and doors with double glazed timber windows to fro…
P2024/2448/FUL
2024 Approved
9 Netherleigh Close, London, N6 5LL
Replace existing single glazed windows and doors with double glazed timber windows to fro…
P2024/2446/FUL
2024 Approved
Fitzwarren House, 12B Hornsey Lane, London
To crown reduce Beech trees by approx. 2.5m in height and spread and remove any major dea…
P2024/1371/TRE
2023 Approved
Thornbury House, Thornbury Square, London, N6 5YW
Replacement of existing timber framed side-hung casement windows to whole block with uPVC…
P2023/3619/FUL
2023 Approved
5 Netherleigh Close, London, N6 5LL
Rear garden R/G- T1- twin stem Ash Fell as close as possible to ground level
P2023/2968/TRE
2023
12 Hornsey Lane, London, N6 5LX
Front garden F/G - T3 - Corsican Pine: Reduce back hanging branch to suitable growth poin…
P2023/3596/TRE
2023 Approved
Fitzwarren House, 12 B Hornsey Lane, London, N6 5LX
Front of Fitzwarren House (Hornsey Lane frontage) (TPO ref - T71-T73 of TPO 63/1985) (T71…
P2023/1460/TRE
2023 Approved
Fitzwarren House, 12B Hornsey Lane, London, N6 5LX
Refurbishment works to existing front entrance including replacement of lean-to roof poly…
P2023/1379/FUL
2022 Approved
48 Waterlow Road, London, N19 5NH
Replacement of single glazed timber windows with double glazed timber units on the front…
P2022/4102/FUL
2022 Approved
1 Thornbury Square, London, N6 5YN
Thornbury Square (next to vehicle entrance) (TPO ref: TPO 63/1985) (T1) Leyland Cypress (…
P2022/3122/TRE
2021 Approved
12 Hornsey Lane, London, N6 5LX
Installation of new external stair and covered lift tower (following removal of existing…
P2021/2239/FUL
2021 Approved
12 Hornsey Lane, London, N6 5LX
Front of building TPO refs T63+T65 of TPO 63/1985 (GC012677) Yew - Remove Ivy (GC012680)…
P2021/3294/TRE
2017 Approved
46 Waterlow Road London N19 5NH
Erection of single storey rear infill extension
P2017/2032/FUL
2016 Approved
9 - 10 Thornbury Square, London, N6 5YN
Rear garden: 1 x Lime tree subject to tree preservation order (TPO) - LBI TPO (NO.63) 198…
P2016/1122/TRE
2016 Approved
11 Thornbury Square, London, N6 5YN
Rear garden: 1 x Yew tree subject to tree preservation order (TPO) - LBI TPO (NO.63) 1985…
P2016/1123/TRE
2016 Approved
Fitzwarren House, 12 Hornsey Lane, London, N6 5LX
Front boundary: 3 x Lime trees subject to tree preservation order (TPO) - LBI TPO (NO.63)…
P2016/1113/TRE
2016 Approved
68 Highgate Hill London N19 5NQ
Erection of single storey rear extension.
P2016/0299/FUL
Islington
Planning Authority Score
2.9/10
Poor
#237 of 296 councils
Relevant to this application:
Householder decisions

Islington is slower than most councils at deciding householder applications, ranking #260 out of 296. 53% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Islington decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #132 of 296
93%
Householder approved
Above avg (90%) #130 of 296
43%
Decided in 8 weeks
Below avg (63%) #260 of 296
53%
Extended time limit
Above avg (41%) #241 of 296
89%
Minor dwellings approved
499 decided (1-9 homes)
100%
Major dwellings approved
1 decided (10+ homes)
89%
Change of use approved
19 decided
1,488
Total decisions
167 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use