21 Valognes Avenue, Walthamstow, London, E17 5PW

This site has had 2 applications since 2026.

• 261220 Status unknown

  21 Valognes Avenue, Walthamstow, London, E17 5PW

  Prior approval for the construction of a single storey rear extension which would extend 6.00m beyond the rear wall of the existing dwelling, a maximum height of 3.00m and an eaves height of 3.00m.

  Submitted 18 May 2026 Prior approval

1. 18 May 2026

   Received by Waltham Forest

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

The published feed does not show a live status for this application; the register on Waltham Forest's own portal holds the authoritative version.

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.

• 21 Valognes Avenue, Walthamstow, London, E17 5PW

  261220 Submitted 18 May 2026 0m away

  Decision due ~13 Jul

  Prior approval for the construction of a single storey rear extension which would extend 6.00m beyond the rear wall of the existing dwelling, a maximum height of 3.00m and an eaves height of 3.00m.

  Status unknown Prior approval Extension
  Small domestic

• 6 Garnett Way, Walthamstow, London, E17 5PE

  261243 Submitted 19 May 2026 110m away

  Decision due ~14 Jul

  Construction of single storey rear extension to the ground floor commercial unit.

  Status unknown Full applications Extension
  Small domestic

• 6 Garnett Way, Walthamstow, London, E17 5PE

  260544 Submitted 2 Mar 2026 110m away

  Construction of a single storey ground floor rear extension.

  Refused Full applications Extension
  Small domestic

• 17 Cooper Avenue, Walthamstow, London, E17 5PN

  261545 Submitted 22 Jun 2026 139m away

  Decision due ~17 Aug

  Prior approval for the construction of a single storey rear extension which would extend 6.00m beyond the rear wall of the existing dwelling, a maximum height of 3.30m and an eaves height of 3.00m.

  Status unknown Prior approval Extension
  Small domestic

• 35 Cooper Avenue, Walthamstow, London, E17 5PN

  260581 Submitted 6 Mar 2026 139m away

  Conversion of attached garage to habitable space including replacement of garage door with window and a new roof light.

  Granted Householder Loft or dormer Roofing +1
  Domestic

• 26 Lawrence Avenue, Walthamstow, London, E17 5PQ

  260045 Submitted 7 Jan 2026 162m away

  Removal of the existing garage and construction of a single storey building (with lower ground floor level) to provide a self-contained dwelling studio house (1-bed) (Use Class C3) including the creation of a rear open air courtyard area, new front boundary wall, waste storage facilities and associated landscaping at Land Adjacent to 26 Lawrence Avenue.

  Refused Full applications
  Small domestic

• 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