Planning application
1 Lewis Avenue, Walthamstow, London, E17 5BL
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Lawful development certificate (Proposed) for the construction of a hip to gable extension to the main roof, rear dormer roof extension and installation of one roof-light to the front roof slope.
As published by the council, reference 260287
Application record
- Reference
- 260287
- Type
- Certificate of Lawful Development - Proposed
- Status
- Permitted
- Decision
- Approved (With Informatives)
- Received
- 3 Feb 2026
- Ward
- Chapel End
- Postcode
- E17 5BL
Timeline
Dates from the published record
-
3 Feb 2026
Received by Waltham Forest
-
10 Aug 2026
Added to PlanIndex
What this grant of permission means
Waltham Forest granted permission, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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
-
15 Mansel Grove, Walthamstow, London, E17 5BN
Construction of a single storey rear extension.
Granted Householder ExtensionSmall domestic -
4 Mansel Grove, Walthamstow, London, E17 5BN
Decision due ~1 Jul
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof together with installation of two roof-lights at front roof.
Status unknown Lawful development Extension Loft or dormer -
193 Brettenham Road, Walthamstow, London, E17 5AX
Decision due ~7 May
Construction of dormer roof extension to main rear roof, together with installation of three roof lights to front roof slope.
Status unknown Full applications Extension Loft or dormer -
185 Brettenham Road, Walthamstow, London, E17 5AX
Construction of dormer roof extension to main rear roof, together with installation of three roof lights to front roof slope, one roof light to outrigger side roof slope and one side window at loft level.
Refused Full applications Extension Loft or dormer +1 -
185 Brettenham Road, Walthamstow, London, E17 5AX
Construction of a rear dormer roof extension, together with installation of three roof lights to front roof slope, one roof light to outrigger side roof slope and one obscure glazed side window at loft level.
Granted Full applications Extension Loft or dormer +1 -
185 Brettenham Road, Walthamstow, London, E17 5AX
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. Removal of chimney.
Refused Full applications Extension Loft or dormer
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.