21a Third Avenue, Walthamstow, London, E17 9QJ

1. 27 Feb 2026

   Received by Waltham Forest

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 April 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 6 Third Avenue, Walthamstow, London, E17 9QJ

  260470 Submitted 24 Feb 2026 0m away

  Decision due ~21 Apr

  Construction of a single storey side infill extension together with alterations to the fenestration at ground floor rear elevation.

  Status unknown Householder Extension Windows or glazing
  Small domestic

• 6 Third Avenue, Walthamstow, London, E17 9QJ

  261521 Submitted 18 Jun 2026 0m away

  Decision due ~13 Aug

  Construction of a single storey rear infill extension and installation of replacement windows and patio doors to the rear elevation.

  Status unknown Householder Extension Windows or glazing
  Small domestic

• 143A Orford Road, Walthamstow, London, E17 9QU

  252755 Submitted 24 Nov 2025 72m away

  Construction of dormer roof extension to main rear roof and roof extension above two storey rear outrigger, together with installation of two roof-lights to the front roof slope.

  Granted Full applications Extension Loft or dormer

• 1 Second Avenue Walthamstow London E17 9QH

  070277 Submitted 27 Apr 2007 80m away

  Formation of rooms in the roof, involving the installation of rear dormer, extending over back addition as shown on drawing nos WA-117-PL01 and BR03 received on 27 April 2007.

  Refused Lawful development Loft or dormer 4 docs

• 38 Second Avenue, Walthamstow, London, E17 9QH

  252662 Submitted 11 Nov 2025 80m away

  Change of use from a single family dwelling house (Use Class C3) into a small House in Multiple Occupation (HMO) (Use Class C4) for 4 persons together with the provision of 3 cycle parking spaces.

  Refused Full applications
  Domestic

• Flat 2a, 306a Hoe Street, Walthamstow, London, E17 9PX

  260131 Submitted 19 Jan 2026 100m away

  Lawful Development Certificate (Existing) – Use of the property as a self contained flat (Use Class C3).

  Granted Lawful development

• 261603 Status unknown

  544 High Road Leytonstone, Leytonstone, London, E11 3DH

  Construction of first-floor rear extensions to the upper floor flats at 544 and 546 High Road, Leytonstone, including the creation of roof-top amenity space.

  29 Jun 2026 Full applications
• 261582 Status unknown

  CARE HOME, 21 Ravenswood Road, Walthamstow, London, E17 9LY

  Replacement of existing timber framed windows, rear exit doors and patio door/window with uPVC double-glazed casement windows and uPVC doors.

  26 Jun 2026 Full applications
• 261558 Status unknown

  1 Ranelagh Road, Leytonstone, London, E11 3JW

  Demolition of garage and construction of a three storey, three bedroom dwellinghouse (Use Class C3) with associated refuse and recycling storage, landscaping and all other associated works.

  23 Jun 2026 Full applications
• 261541 Status unknown

  17 Evelyn Road, Walthamstow, London, E17 9HE

  Replacement of existing double glazed uPVC framed front and rear casement windows with new double glazed uPVC framed front and rear casement windows. Replacement of existing double glazed timber framed front and rear communal doors with new double glazed steel framed front and rear communal doors.

  22 Jun 2026 Full applications
• 261537 Status unknown

  287 Brettenham Road, Walthamstow, London, E17 5AT

  Replacement of two uPVC windows to the front with double-glazed timber sash windows and replacement of uPVC front door together with removal of external render to the front, rear and side at ground-floor level; exposed brickwork repainted. External works including Partial blocking up of existing kitchen door opening in reclaimed London stock brick to match; adjacent window opening adjusted to form a new aluminium-framed double-glazed door to the side return. Replacement of remaining uPVC windows and door to the rear and side with aluminium-framed double-glazed units. Construction of outbuilding within rear garden.

  22 Jun 2026 Full applications