Planning application
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
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)-Construction of dormer roof extension to main rear roof.
As published by the council, reference 260432
Application record
- Reference
- 260432
- Type
- Certificate of Lawful Development - Proposed
- Status
- Permitted
- Decision
- Approved (With Informatives)
- Received
- 18 Feb 2026
- Ward
- Chapel End
- Postcode
- E17 4PE
Site history
Applications at this address on the Waltham Forest register
This site has had 4 applications since 2025: 1 approved, 1 refused.
-
260065 Status unknown
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
Construction of a single storey side and rear extension and first floor rear extension. Together with installation of a side window at first floor level, external wall insulation including roof coping and replacement of existing windows and entrance door. Associated works to include bin storage and front gate.
-
253028 Refused
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof with the installation of sliding shutters to provide solar shading.
-
252417 Status unknown
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
Construction of a ground floor side and rear extension, first floor rear extension, rear dormer roof extension with solar panels, external wall insulation and replacement of existing windows and entrance door.
Timeline
Dates from the published record
-
18 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
-
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
Decision due ~9 Mar
Construction of a single storey side and rear extension and first floor rear extension. Together with installation of a side window at first floor level, external wall insulation including roof coping and replacement of existing windows and entrance door. Associated works to include bin storage and front gate.
Status unknown Householder Extension Windows or glazingSmall domestic -
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
Decision due ~8 Dec
Construction of a ground floor side and rear extension, first floor rear extension, rear dormer roof extension with solar panels, external wall insulation and replacement of existing windows and entrance door.
Status unknown Householder Extension Loft or dormer +1Domestic -
70 Kenilworth Avenue, Walthamstow, London, E17 4PE
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof with the installation of sliding shutters to provide solar shading.
Refused Lawful development Extension Loft or dormer -
77 Kenilworth Avenue, Walthamstow, London, E17 4PD
Decision due ~25 May
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof and extension above two storey rear outrigger together with installation of three roof-lights to front roof.
Status unknown Lawful development Extension Loft or dormer -
First Floor Flat, 50 Chingford Road, Walthamstow, London, E17 4PJ
Construction of a rear dormer extension to facilitate 1 additional bedroom and installation of two roof-lights to the front roof slope.
Refused Full applications Extension Loft or dormer -
10 Chingford Road, Walthamstow, London, E17 4PJ
Decision due ~28 Jul
Lawful development certificate (Existing) for use of the property as three self-contained flats.
Status unknown Lawful development New dwelling
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.