Planning application
HGY/2026/1604
Flat A, 30 Weston Park, Hornsey, London, N8 9TJ
Proposal
Lawful Development Existing Use: Replacement of side uPVC double glazed window with double glazed timber sliding sash window and replacement of front entrance door
As published by the council, reference HGY/2026/1604
Timeline
Dates from the published record
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8 Jun 2026
Received by Haringey
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29 Jun 2026
Decision issued: Approve
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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 lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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HGY/2026/1695 Granted
28 Weston Park, Hornsey, London, N8 9TJ
Five Day Notice. Plum tree T1. Complete removal of tree due to it dying .
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HGY/2026/1154 Withdrawn
27 Weston Park, Hornsey, London, N8 9SY
T1- Ash tree- Reduce branches overhanging garden back to previous pruning points, reduce any branches getting too close to building at back. Remove any dead branches. Climbing plants on right boundary- Reduce height of raised section to make level. All tree debris to be removed.
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HGY/2026/1756 Granted
41 Weston Park, Hornsey, London, N8 9SY
Five Day Notice. T1: Lime (11m): Fell to ground level as tree has failed at base and is hung up in neighbour's tree
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HGY/2026/1737 Awaiting decision
10 Elder Avenue, Hornsey, London, N8 9TH
Demolition of existing rear outrigger and erection of a single storey full-width rear extension with roof terrace above; erection of rear roof dormer extension and installation of two rooflights to the front roofslope.
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HGY/2026/1735 Granted
10 Elder Avenue, Hornsey, London, N8 9TH
Lawful development: (Proposed use) for the erection of a single storey rear extension and rear garden outbuilding, and installation of two rooflights to the front roof slope.
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HGY/2025/3492 Granted
16 Elder Avenue, Hornsey, London, N8 9TH
REAR: ONE sycamore tree (T1)(ht.6m) Full fell. Removal to reduce lack of light and benefit growth of surrounding trees and shrubs.
Other lawful development applications
In Haringey
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HGY/2026/2104 Granted
17 Sperling Road, Tottenham, London, N17 6UQ
Certificate of lawfulness for proposed use: Loft conversion with erection of rear L-shaped dormer and insertion of 2no. front rooflights.
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HGY/2026/1307 Granted
49 Lordsmead Road, Tottenham, London, N17 6EX
Certificate of lawfulness for the existing use of the property as five separate self-contained flats.
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HGY/2026/1885 Granted
6, Grainger Road, London, N22 5LT
Certificate of Lawfulness: Proposed alterations to the roof comprising the installation of 3no. rooflights (2no. front facing and 1no. rear facing).
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HGY/2026/1375 Granted
Flats 1, 2, & 3 149 Crescent Road, Wood Green, London, N22 7RU
Certificate of lawfulness for the existing use of the property as 3 self-contained flats (comprising of ground floor 2 bed, first floor 2 bed, second floor 1 bed) for more than 4 years.
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HGY/2026/1409 Granted
492 Archway Road, Hornsey, London, N6 4NA
Certificate of Lawfulness Existing Use. Use of lower ground floor as two flats (Use Class C3).