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Planning application

12 Glenthorne Road, Walthamstow, London, E17 7AR

Status unknown Waltham Forest 252900 Householder Planning

Works: Extension Loft or dormer Domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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

As published by the council, reference 252900

Application record

Reference
252900
Type
Householder Planning
Received
8 Dec 2025
Ward
St James
Postcode
E17 7AR

Timeline

Dates from the published record

  1. 8 Dec 2025

    Received by Waltham Forest

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 2 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

Checking the current position

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

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 4 Glenthorne Road, Walthamstow, London, E17 7AR

    260063 Submitted 12 Jan 2026 0m away

    Alterations to front elevation comprising of replacement windows, removal of front porch and installation of bay window.

    Granted Householder Extension Windows or glazing
    Small domestic
  • 4 Glenthorne Road, Walthamstow, London, E17 7AR

    260054 Submitted 9 Jan 2026 0m away

    Lawful Development Certificate (Proposed)- Construction of a single storey rear extension, dormer roof extension to main rear roof and roof extension above two storey outrigger. Together with installation of replacement side door and windows at ground and first floor levels ( amended description ).

    Granted Lawful development Extension Loft or dormer +1
    Small domestic
  • 75 Hazelwood Road, Walthamstow, London, E17 7AJ

    260985 Submitted 21 Apr 2026 38m away

    Decision due ~16 Jun

    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.

    Status unknown Lawful development Extension Loft or dormer
  • 78a Hazelwood Road, Walthamstow, London, E17 7AL

    260322 Submitted 5 Feb 2026 65m away

    Decision due ~2 Apr

    Installation of replacement double glazed uPVC casement windows to all elevations. Replacement of existing front and rear glazed timber framed doors with new double glazed uPVC framed front and rear doors.

    Status unknown Full applications Windows or glazing
  • 6 Coppermill Lane, Walthamstow, London, E17 7HB

    261413 Submitted 8 Jun 2026 101m away

    Decision due ~3 Aug

    Conversion from a single dwelling house into 2 self-contained flats (1 x 1 bedroom and 1 x 2 bedrooms) (Use Class C3) with associated cycle storage, waste storage and amenity space.

    Status unknown Full applications New dwelling
    Domestic
  • 77 Coppermill Lane, Walthamstow, London, E17 7HA

    261049 Submitted 29 Apr 2026 130m away

    Decision due ~24 Jun

    Construction of a single storey rear infill extension and single storey rear outbuilding. Alterations to the fenestration involving the installation of replacement windows to the front and rear elevations, new rear patio door and r emoval of rear chimney.

    Status unknown Householder Extension Windows or glazing
    Small domestic

In Waltham Forest

  • 261616 Status unknown

    9 Fulready Road, Leyton, London, E10 6DT

    Construction of single storey rear extension.

    1 Jul 2026 Householder
  • 261621 Status unknown

    116 Maynard Road, Walthamstow, London, E17 9JF

    Construction of a single storey side return extension.

    1 Jul 2026 Householder
  • 261606 Status unknown

    36 Holly Crescent, Woodford Green, IG8 9PD

    Construction of a two storey side extension together with the installation of two roof-lights , a single storey ground floor rear extension and rear dormer roof extension.

    29 Jun 2026 Householder
  • 261583 Status unknown

    6 Barclay Road, Leytonstone, London, E11 3DG

    Construction of a single storey side extension.

    26 Jun 2026 Householder
  • 261584 Status unknown

    6 Barclay Road, Leytonstone, London, E11 3DG

    Construction of a single storey rear infill extension together with associated landscaping and remedial works.

    26 Jun 2026 Householder