Flat 5 15 Highgate Avenue Hornsey London N6 5SB Data via plota.co.uk

HGY/2025/3032 - Works to trees in Conservation Area Approved

Proposal

Rear garden: Cherry (T1) - reduce crown by 2.5m. Reason: to allow more light into the garden. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
around 5 Nov 2025
✓
Approved
19 Dec 2025

Approved on 19 Dec 2025 · Delegated Decision · Last checked 8 Oct 2026

Site constraints 6

Highgate 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.
Council document ↗
Air quality management area: Haringey 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 ↗
Local nature reserve 168 m away: Parkland Walk
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
1 listed building within 150 m
Nearest: 225, Archway Road N6, Grade II, 58 m away
The site itself is not listed. 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.
Historic England ↗
Also on the record
Inside the Haringey built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Building

Floor area26 m² (280 sq ft)
Energy ratingE (42 out of 100), could reach C
PropertyFlat, 2 habitable rooms
Built1900 to 1929
HeatingRoom heaters, electric
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in August 2026, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Haringey
Application type
Works to trees in Conservation Area
Postcode
N6 5SB
Received
around 5 Nov 2025
Validated
5 Nov 2025
Ward
Highgate
Case officer
Show
Decision
No Objection
Decision date
19 Dec 2025
Decision level
Delegated Decision
Applicant
Show
Freehold owner
Show

How this decision compares

Decided in 44 days from validation, 17 days slower than Haringey's median of 27 for tree works. Approved, as 98% of tree works here are.

79%decided within 8 weeks
98%approved
357decided in the last year

Plota live figures for tree works decided by Haringey in the last twelve months, from validation. Haringey decision record →

Public comments

1comment received
1 neutral

Last counted 8 Oct 2026

Read the comments on the council site ↗

Haringey
Planning Authority Score
4/10
Below average
#192 of 296 councils
Relevant to this application:
Other decisions

Haringey is slower than most councils at deciding householder applications, ranking #209 out of 296. Householder applications are slightly more likely to be approved here (91%) 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
Haringey decision statistics
Based on MHCLG data, the year to March 2026
85%
Overall approval rate
Below avg (87%) #206 of 296
91%
Householder approved
Above avg (90%) #174 of 296
55%
Decided in 8 weeks
Below avg (63%) #209 of 296
40%
Extended time limit
Below avg (41%) #151 of 296
83%
Minor dwellings approved
279 decided (1-9 homes)
100%
Major dwellings approved
8 decided (10+ homes)
46%
Change of use approved
28 decided
1,469
Total decisions
217 refused in the year to March 2026

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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.