Planning application
30 Cassiobury Road, Walthamstow, London, E17 7JF
Works: Extension Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, with installation of two roof lights to front roof slope.
As published by the council, reference 260661
Application record
- Reference
- 260661
- Type
- Certificate of Lawful Development - Proposed
- Received
- 12 Mar 2026
- Ward
- St James
- Postcode
- E17 7JF
Timeline
Dates from the published record
-
12 Mar 2026
Received by Waltham Forest
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 7 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Checking the current position
The published feed does not show a live status for this application; the register on Waltham Forest's own portal holds the authoritative version.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
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2B Morland Road, Walthamstow, London, E17 7JB
Construction of a single storey wraparound rear extension and installation of a air source heat pump.
Granted Householder ExtensionSmall domestic -
2b Morland Road, Walthamstow, London, E17 7JB
Construction of a single storey wraparound rear extension and installation of a air source heat pump.
Refused Householder ExtensionSmall domestic -
151a Coppermill Lane, Walthamstow, London, E17 7HD
Continued use of the first floor and roof space as a House in Multiple Occupation (HMO) (Use Class C4) for up to 4 people.
Refused Full applications -
54 Salop Road, Walthamstow, London, E17 7HT
Lawful Development Certificate (Proposed) - Construction of a replacement dormer roof extension to main rear roof, and roof extension above two storey outrigger. Together with installation of three roof lights to front roof slope.
Granted Lawful development Extension Loft or dormer -
84 Salop Road, Walthamstow, London, E17 7HT
Decision due ~8 Dec
Prior approval for the construction of a single storey rear infill extension which would extend 3.50m beyond the rear wall of the existing dwelling, a maximum height of 3.50m and an eaves height of 2.40m.
Status unknown Prior approval ExtensionSmall domestic -
28 Salop Road, Walthamstow, London, E17 7HT
Demolition of side garage. Erection of two storey 1x bed dwellinghouseas shown by drawing number KD/PP/S0038-R4 received on 25th April 2007.
Refused Full applications Demolition 2 docs
Other lawful development applications
In Waltham Forest
-
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.
-
261619 Status unknown
89 Marmion Avenue, Chingford, London, E4 8EJ
Lawful Development Certificate (Proposed) – Construction of a single storey rear extension.
-
261609 Status unknown
30 Warboys Crescent, Chingford, London, E4 9HR
Lawful Development Certificate (Proposed) – Construction of a single storey rear extension.
-
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.
-
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.