9 Sheldon Avenue, Hornsey, London, N6 4JS
Proposal
Replacement side (north) extension, rear extension, replacement of front and rear dormers, insertion of dormers on side elevations, and formation of a carriage driveway including boundary treatment.
- Received
- 19 February 2026
- Decided
- 27 May 2026 · Approve with Conditions
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Haringey
- Ward
- Highgate
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.
- ReceivedSubmitted19 Feb
- ValidatedValidated19 Feb
- Consult.Consultation
- TargetTarget Date1 Apr
- DecidedDecided27 May
Decided in 97 days (council typically 56)
This is a full planning application for a rear extension at 9 Sheldon Avenue, Hornsey, London, N6 4JS. Haringey has handled 1,151 applications of this type and approves 87% of them, typically deciding them in 56 days. This one was decided in 97 days, 6 weeks longer than Haringey's median. The site is in the Highgate conservation area. There has been 1 other application at this address. In the past year there have been 403 applications across Highgate. We hold 1,076 applications in total for the N6 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Haringey
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202623 Jun
Approval of details to discharge condition 10 (Construction Management Plan) attached to planning permission…
WithdrawnDischarge of conditionsHGY/2026/1775 - 202619 Feb
Replacement side (north) extension, rear extension, replacement of front and rear dormers, insertion of…
This applicationApprovedFullHGY/2026/0459
Planning history at this site
1 other application at this property, newest first.
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Highgate
- 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 2026-10-09. 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.
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