Planning application
HGY/2026/0459
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.
As published by the council, reference HGY/2026/0459
Timeline
Dates from the published record
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19 Feb 2026
Received by Haringey
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27 May 2026
Decision issued: Approve with Conditions
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24 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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HGY/2026/1775 Awaiting decision
9 Sheldon Avenue, Hornsey, London, N6 4JS
Approval of details to discharge condition 10 (Construction Management Plan) attached to planning permission with ref: HGY/2026/0459 for the 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.
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HGY/2026/0058 Granted
11 Sheldon Avenue, Hornsey, London, N6 4JS
Approval of details pursuant to conditions 3 (Materials) attached to planning permission ref: HGY/2024/2154.
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HGY/2026/1802 Granted
14A Sheldon Avenue, Hornsey, London, N6 4JT
T3 Apple tree - fell to combat subsidence damage to 14a Sheldon Avenue N6 4JT
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HGY/2024/2497 Granted
14A Sheldon Avenue, Hornsey, London, N6 4JT
Neighbours Ash Leaf Maple - Major limb growing at right angles from neighbours garden due to competing trees. The size of the limb is excessive and at a compromising angle. It dominates and removes a lot of low level light from the garden and if left to mature further there is concern of possible collapse. The home owners are keen to use that section of the garden to continue with their Urban Orchard of Apple trees that have proven very successful in the front garden and the Maple trees very low canopy lean and dominance of the garden space is obstructing the possibility of this Orchard from succeeding. T1 – Ash Leaf Maple - Remove large leaning section of Tree back towards the fence line to a suitable lateral branch as close to fence as possible.
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HGY/2026/0759 Refused
4 Sheldon Avenue, Hornsey, London, N6 4JT
Demolition of side garage and erection of a single storey side extension.
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HGY/2024/3108 Granted
20 Sheldon Avenue, Hornsey, London, N6 4JT
Five Day Notice Fell 1 x dead Gladitsia located at 20 Sheldon Avenue, Highgate, London, N6 4JT. This tree has been in decline for many years and has been standing dead since the accompanying photo was taken in May 2023
Other householder applications
In Haringey
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HGY/2026/1575 Granted
48 Richmond Road, Tottenham, London, N15 6QB
Construction of single storey side infill extension, together with the installation of a Sukkah roof roof.
-
HGY/2026/1504 Granted
19 Bromley Road, Tottenham, London, N17 0AR
Ground floor wraparound extension to a end of terrace house.
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HGY/2026/1947 Awaiting decision
6 Umfreville Road, Hornsey, London, N4 1SB
Roof extension including above existing outrigger, to create two new habitable rooms and a shower room. Proposal includes new front facing turret in the style of an original feature, with a total of 3 Velux style rooflights to the front elevation and 1 flat rooflight.
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HGY/2026/0798 Granted
Flat 2, Wren View, Hornsey Lane, Hornsey, London, N6 5LH
Replacement windows to the rear facing studio flat.
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HGY/2026/1491 Granted
16 Cornwall Road, Hornsey, London, N4 4PH
Formation of rear dormer and 3 no. front rooflights