Planning application
P2025/1170/COL
1 Mayton Street, London, N7 6QP.
Proposal
Certificate of Lawfulness (Existing) to confirm lawful use as a large HMO (Use Class Sui Generis).
As published by the council, reference P2025/1170/COL
Timeline
Dates from the published record
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23 Apr 2025
Received by Islington
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28 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 Islington 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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P2025/2348/FUL Awaiting decision
116-122 Seven Sisters Road, London, N7 6AE
Proposed new mansard level to create an additional 2 bedroom residential unit with solar panels on roof and removal of rear flue.
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P2026/1732/PRA Awaiting decision
140 Seven Sisters Road, London, N7 7NS
Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Country Planning (General Permitted Development) (England) Order 2015 for an upward extension of existing building by one additional storey to create 3 new flats.
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P2026/1733/PRA Awaiting decision
140 Seven Sisters Road, London, N7 7NS
Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Country Planning (General Permitted Development) (England) Order 2015 for an upward extension of existing building by one additional storey to create 3 new flats
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P2025/3597/AOD Awaiting decision
140 Seven Sisters Road, London, N7 7NS
Approval of details pursuant to condition 3 (sound insulation and noise control) of planning permission reference P2025/2659/PRA dated: 11/11/2025 Notification of Prior Approval for the change of use of the first floor from Class E (retail) to 2 x 1 bed flat (Class C3) under Class G of the Town and Country Planning (General Permitted Development) Order (GPDO) 2015 (as amended).
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P2026/0769/PRA Refused
140 Seven Sisters Road, London, N7 7NS
Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Country Planning (General Permitted Development) (England) Order 2015 for an upward extension of existing building by two additional storeys to create 6 new flats (6x1 bed).
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P2026/0768/PRA Refused
140 Seven Sisters Road, London, N7 7NS
Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Country Planning (General Permitted Development) (England) Order 2015 for an upward extension of existing building by one additional storey to create 3 new flats (3x1 bed)
Other lawful development applications
In Islington
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P2026/1005/COL Granted
505A Hornsey Road, London
Certificate of Lawfulness (Existing) for the use of the first, second and third floors as a 6-room large HMO (Use Class Sui Generis)
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P2026/1434/COL Granted
9 Alwyne Square, London, N1 2JX
Installation of 3 rooflights in the rear roof slope.
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P2026/0980/COL Granted
4A Cowcross Street, London, EC1M 6DR
Certificate of Lawful (Existing) development for the use of the first, second and third floors as three self-contained studio flats (Class C3)
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P2026/1324/COL Granted
Gough House, 1 Windsor Street, London, N1 8QA
Certificate of Lawfulness (proposed) for the installation of low-level play equipment, seating, planter with trellis, grass matting and a self-closing child-safety gate fixed to existing metal hoop-top fencing.
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P2026/1943/COL Awaiting decision
49, Linton Street, London, N1 7AN
Certificate of Lawfulness (Proposed) for the construction of a garden studio/outbuilding in rear garden.