80 Farnan Avenue, Walthamstow, London, E17 4NG

1. 9 Dec 2025

   Received by Waltham Forest

2. 10 Aug 2026

   Added to PlanIndex

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.

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.

• 77 Kenilworth Avenue, Walthamstow, London, E17 4PD

  260830 Submitted 30 Mar 2026 33m away

  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

• 71 Farnan Avenue, Walthamstow, London, E17 4NQ

  252960 Submitted 12 Dec 2025 53m away

  Prior approval for the construction of a single storey rear extension which would extend 4.00m beyond the rear wall of the existing dwelling, a maximum height of 3.80m and an eaves height of 2.90m.

  Granted Prior approval Extension
  Small domestic

• 70 Kenilworth Avenue, Walthamstow, London, E17 4PE

  260432 Submitted 18 Feb 2026 59m away

  Lawful Development Certificate (Proposed)-Construction of dormer roof extension to main rear roof.

  Granted Lawful development Extension Loft or dormer

• 70 Kenilworth Avenue, Walthamstow, London, E17 4PE

  260065 Submitted 12 Jan 2026 59m away

  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 glazing
  Small domestic

• 70 Kenilworth Avenue, Walthamstow, London, E17 4PE

  252417 Submitted 13 Oct 2025 59m away

  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 +1
  Domestic

• 70 Kenilworth Avenue, Walthamstow, London, E17 4PE

  253028 Submitted 22 Dec 2025 59m away

  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

• 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.

  1 Jul 2026 Lawful development
• 261619 Status unknown

  89 Marmion Avenue, Chingford, London, E4 8EJ

  Lawful Development Certificate (Proposed) – Construction of a single storey rear extension.

  1 Jul 2026 Lawful development
• 261609 Status unknown

  30 Warboys Crescent, Chingford, London, E4 9HR

  Lawful Development Certificate (Proposed) – Construction of a single storey rear extension.

  30 Jun 2026 Lawful development
• 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.

  30 Jun 2026 Lawful development
• 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.

  29 Jun 2026 Lawful development