Planning application
261587
20 Carnanton Road, Walthamstow, London, E17 4DA
Proposal
Lawful Development Certificate (Proposed) - Construction of a hip to gable side roof extension, and dormer roof extension to main rear roof, together with installation of two roof lights to front roof slope.
As published by the council, reference 261587
Timeline
Dates from the published record
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29 Jun 2026
Received by Waltham Forest
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25 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.
Checking the current position
The process from here
The published feed does not show a live status for this application, which usually means the council register holds more recent detail than the copy PlanIndex receives.
The council portal linked on this page carries the authoritative version, including the documents, any consultation deadline and the decision once made. PlanIndex refreshes its copy of the register on a daily cycle.
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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071360 Granted
56 Trevose Road, Walthamstow, London, E17 4DR
Erection of 2 storey side extension as showbn on revised drawing number 1652/12 received 19th July 2007.
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261241 Status unknown
34 Ulverston Road, Walthamstow, London, E17 4BW
Construction of a single storey wraparound rear extension.
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261240 Status unknown
32 Ulverston Road, Walthamstow, London, E17 4BW
Construction of a single storey wrapround rear extension.
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261535 Status unknown
25 Woodstock Road, Walthamstow, London, E17 4BH
Variation of condition 2 (Approved Plans) attached to planning permission reference 251272 to allow for a change to the rear patio doors, removal of glass panels and additional roof-light to the rear extension and alterations to the rear garden patio.
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261493 Status unknown
61 Woodstock Road, Walthamstow, London, E17 4BH
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, together with installation of four roof lights to front roof slope. Together with repositioning of existing window on side elevation.
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071344 Granted
63 Woodstock Road, Walthamstow, London, E17 4BH
Formation of habitable room in the roof involving the installation of rear dormer window as shown on drawings number CH63/1 and CH63/2 received by the Local Planning Authority on 11th April 2007.
Other lawful development applications
In Waltham Forest
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261617 Status unknown
9 Fulready Road, Leyton, London, E10 6DT
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, with installation of three roof lights to front roof slope.
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261619 Status unknown
89 Marmion Avenue, Chingford, London, E4 8EJ
Lawful Development Certificate (Proposed) – Construction of a single storey rear extension.
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261609 Status unknown
30 Warboys Crescent, Chingford, London, E4 9HR
Lawful Development Certificate (Proposed) – Construction of a single storey rear extension.
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261614 Status unknown
1 Sopwith Avenue, E17 6TD
Lawful Development Certificate (Proposed) - temporary removal of facade elements to allow access to the internal cavities, where insulation and cavity barriers (fire-stopping components within the wall build-up) will be replaced. Once complete, all facade materials will be reinstated, with any damaged items replaced to match the existing finish.
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261607 Status unknown
26A Hervey Park Road, Walthamstow, London, E17 6LJ
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, together with installation of two roof lights to front roof slope.