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23 Ellington Road, Hornsey, London, N10 3DD

HGY/2025/3577Householder planning permissionApproved
Householder

Approved on 20 August 2026

Council decision: Approve with ConditionsDelegated (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

Six-metre rear ground floor extension stepped into the topography. Two storey extension to the south keeping in the hip end of terrace formation and the addition of a dormer and ancillary external works.

Submitted
20 April 2026
Decision level
Delegated (officer decision)
Ward
Muswell Hill
  1. Received20 Apr
  2. Validated20 Apr
  3. Consult.
  4. Target11 May
  5. Decided20 Aug

Decided in 122 days (council typically 56)

About this application

This is a full planning application for a dormer extension at 23 Ellington Road, Hornsey, London, N10 3DD. Haringey has handled 1,166 applications of this type. This one was decided in 122 days, 9 weeks longer than Haringey's typical decision time. The site is in 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 149 applications across Muswell Hill. We hold 785 applications in total for the N10 postcode area.

87% of full 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 3DD
Application type
Householder planning permission
Scale / size
Small

Planning application dates

Date validated
20 April 2026
Target decision date
11 May 2026
Application expires
15 June 2026

Planning decision

Case officer
Josh Parker
Statutory period
56 days

Additional information

Planning Portal ID
PP-14587112
Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Local nature reserve: Parkland WalkNext to the site
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation 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, 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.

Source: Haringey

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

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