Planning application
HGY/2026/1720
3 Summerhill Road, Tottenham, London, N15 4HF
Proposal
Certificate of Lawfulness (existing) for use of outbuilding as 1 no. self-contained flat (C3).
As published by the council, reference HGY/2026/1720
Timeline
Dates from the published record
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17 Jun 2026
Received by Haringey
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Haringey for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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/2026/1123 Granted
49 Summerhill Road, Tottenham, London, N15 4HF
Roof Replacement
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HGY/2024/2640 Granted
17 Summerhill Road, Tottenham, London, N15 4HF
(T1) A large willow in the back garden re pollard above the break and root prune x2 roots spreading across the lawn. (T3) Remove a medium-sized beech tree in the back garden that is over-crowding and stop nearby trees from growing. (T6, T5, T4) Crown lift three Silver Birch trees in back garden. (T1) Crown lift cherry tree in front garden.
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HGY/2023/0056 Granted
28 Summerhill Road, Tottenham, London, N15 4HD
Proposed replacement single storey flat roof extension to the rear of No. 28 Summerhill Road, Tottenham, London - please refer to proposed drawings
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HGY/2026/0856 Granted
54 Summerhill Road, Tottenham, London, N15 4HD
Re-tiling of roof, removal of existing natural slate roof covering with new natural Welsh slates.
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HGY/2026/1859 Awaiting decision
60 Summerhill Road, Tottenham, London, N15 4HD
Replacement of existing single-glazed timber-framed windows on front and rear elevations with double-glazed timber-framed windows on the front elevation and double-glazed uPVC-framed windows on the rear elevation.
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HGY/2026/1541 Awaiting decision
5, 7, & 9 Dorset Road, Tottenham, London, N15 5AJ
Replacing existing single-glazed timber windows at 5, 7 and 9 Dorset Road with slimline double‑glazed timber units to the front elevation and double‑glazed uPVC vertical sliding and casement windows to the rear and side elevations; Roof works at no. 7 replacing existing slate roof with new natural Welsh slate, and associated repairs to chimneys, soffits and rainwater goods.
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).