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26 Collingwood Avenue, Hornsey, London, N10 3ED

HGY/2026/0587Non-Material AmendmentApproved
Discharge / amendments

Approved on 30 March 2026

Council decision: ApproveDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Non-Material Amendment application following a grant of planning permission HGY/2025/2421 in relation to the alteration to the line of the wall of the front part of the extension adjacent to the boundary with No.24; removal of the external door to the front part of the extension; a change to the shape of the roof of the extension from a shallow curve to a shallow pitch shape; the addition of 1x small rooflight over the utility room; changes to the dormer fenestration to windows omitting the Juliet balcony.

Submitted
2 March 2026
Decision level
Delegated (officer decision)
Ward
Fortis Green
  1. Received2 Mar
  2. Validated2 Mar
  3. Consult.
  4. Target
  5. Decided30 Mar

Decided in 28 days (council typically 56)

About this application

This is an application to amend a permission at 26 Collingwood Avenue, Hornsey, London, N10 3ED. Haringey has handled 266 applications of this type. This one was decided in 28 days, 4 weeks quicker than Haringey's typical decision time. The site is in the Muswell Hill conservation area. There are no previous applications recorded at this address. In the past year there have been 189 applications across Fortis Green. We hold 785 applications in total for the N10 postcode area.

82% of amendment applications at London Borough of Haringey were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
N10 3ED
Application type
Non-Material Amendment
Scale / size
Small

Planning application dates

Date validated
2 March 2026

Additional information

Planning Portal ID
PP-14745807
Documents
16

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: 26
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, listed buildings, Article 4 directions, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2026
    2 Mar

    Non-Material Amendment application following a grant of planning permission HGY/2025/2421

    This applicationApprovedNon-material amendmentHGY/2026/0587
  2. 2025
    8 Sep

    Enlargement and alterations to existing single storey ground floor extension to the rear and flank of the…

    ApprovedHouseholderPart ofHGY/2025/2421

Source: Haringey

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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