Planning application
26/02396/CEA
54 Cornwallis Grove London N9 0JS
Proposal
Single storey rear extension, single storey side infill extension, rear dormer, dormer to rear outrigger and front roof lights.
As published by the council, reference 26/02396/CEA
Timeline
Dates from the published record
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8 Jun 2026
Received by Enfield
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24 Jun 2026
Validated
Checked as complete and ready for consideration.
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26 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 Enfield 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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26/02618/FUL Awaiting decision
41 Exeter Road London N9 0LB
Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) involving single storey rear extension, rear dormer, front roof lights, with associated cycle and refuse storage.
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26/02420/CEA Granted
41 Exeter Road London N9 0LB
Rear dormer and front roof lights.
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26/02436/PRH Granted
41 Exeter Road London N9 0LB
Single-storey rear extension 6m deep x 3m high (3m high to eaves).
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26/02177/CEA Granted
1 Exeter Road London N9 0JY
Rear dormer and front roof lights.
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26/03113/CND Granted
52 Exeter Road London N9 0JG
Details submitted pursuant to Ref: 26/01602/FUL: enclosure (06), in respect of change of use from Use Class C3 (dwelling house) to a Class Sui Generis (HMO - house in multiple occupation) involving conversion of garage into habitable room and rear dormer extension with front rooflights, with associated amenity, cycle and refuse storage.
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26/02858/VAR Awaiting decision
52 Exeter Road London N9 0JG
Variation of condition 2 of reference 26/01602/FUL to allow the addition of a window to the left side elevation of the building.
Other lawful development applications
In Enfield
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26/02426/CEA Granted
44 Felixstowe Road London N9 0DU
Rear dormer with rear outrigger dormer with front rooflights and window on outrigger at side.
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26/02409/CEA Granted
10 Hester Road London N18 2RQ
Single storey rear extension.
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26/02545/CEA Granted
6 Shrewsbury Road London N11 2LJ
Installation of air source heat pump in front garden and installation of photovoltaic panels on front roof slope.
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26/02679/CEA Refused
85 Capel Road Enfield EN1 4SS
Single storey side extension, with rear dormer and front rooflights.
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26/02443/CEA Granted
85 Beaconsfield Road Enfield EN3 6AP
Rear dormer, dormer to rear outrigger and front roof lights.