Sheldon Avenue, N6 4JT
Proposal
Increase the height of the existing first floor rear dormer roof by 350mm, with accompanying work to replace the current windows with new double-glazed, painted timber casement windows to the rear dormer. Replacement of rear patio doors with double glazed painted timber doors.
- Received
- 15 May 2025
- Decided
- 8 July 2025
- Council
- London Borough of Haringey
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.
- ReceivedSubmitted15 May
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided8 Jul
Decided in 54 days (council typically 56)
This is a planning application for a dormer extension at Sheldon Avenue, N6 4JT. Haringey has handled 57 applications of this type and approves 86% of them, typically deciding them in 71 days. This one was decided in 54 days, 2 weeks quicker than Haringey's median. The site is in the Highgate conservation area, with 1 listed building nearby. There have been 6 other applications 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
- 202515 May
Increase the height of the existing first floor rear dormer roof by 350mm, with accompanying work to replace…
This applicationApprovedHouseholderHGY/2025/1304 - 202515 May
Raising the height of the side garage roof by 0.85m to accommodate a new living space and two bathrooms…
RefusedHouseholderFiled alongsideHGY/2025/1310
Planning history at this site
9 other applications at this property, newest first.
- 202618 Mar
Demolition of side garage and erection of a single storey side extension.
RefusedHouseholderHGY/2026/0759 - 20267 Jan
Approval of details pursuant to conditions 5 (Chartered Engineer) attached to planning permission ref…
ApprovedDischarge of conditionsHGY/2026/0021 - 202512 Aug
Replacement of existing garage door with windows and brickwork, installation of front and rear roof lights to…
RefusedHouseholderHGY/2025/2177 - 20251 Aug
Creation of a new basement and rear lightwells, enlargement and alteration to the existing first floor rear…
ApprovedHouseholderHGY/2025/2064 - 202529 May
Single-storey outbuilding for use as a home golf studio and storage ancillary to the use of existing…
ApprovedHouseholderHGY/2025/1430 - 202529 May
Approval of details pursuant to condition 7 (Proof of payment to Haringey Trees department) attached to…
ApprovedDischarge of conditionsHGY/2025/1416 - 20259 Apr
Approval of details reserved by a condition 10 (A) (Energy Strategy) attached to planning application Ref…
ApprovedDischarge of conditionsHGY/2025/0968 - 202510 Mar
Approval of details reserved by a condition 6 (Landscaping), and condition 11 (Location of water butt)…
ApprovedDischarge of conditionsHGY/2025/0589 - 20254 Feb
Demolition of existing brick front boundary walls & piers, construction of new walls, gate posts…
ApprovedHouseholderHGY/2025/0271
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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