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Planning application

12 Rosslyn Avenue, Chingford, London, E4 6DX

Status unknown Waltham Forest 252935 Certificate of Lawful Development - Proposed

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Lawful Development Certificate (Proposed) - Construction of a hip to gable side roof extension, and dormer roof extension to main rear roof. Together with installation of three roof lights to front roof slope and relocation of side window at first floor level.

As published by the council, reference 252935

Application record

Reference
252935
Type
Certificate of Lawful Development - Proposed
Received
10 Dec 2025
Ward
Hatch Lane & Highams Park North
Postcode
E4 6DX

Timeline

Dates from the published record

  1. 10 Dec 2025

    Received by Waltham Forest

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 4 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 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

  • 18 Courtland Avenue, Chingford, London, E4 6DU

    260061 Submitted 12 Jan 2026 165m away

    Decision due ~9 Mar

    Construction of a single storey side and rear extension, dormer roof extension to main rear roof, together with installation of three roof lights to front roof slope and two rear facing dormer windows.

    Status unknown Householder Extension Loft or dormer +1
    Small domestic
  • 10 Courtland Avenue, Chingford, London, E4 6DU

    252736 Submitted 20 Nov 2025 165m away

    Construction of a single storey rear extension and replacement of garage door with window at front elevation to facilitate conversion of garage to habitable space.

    Granted Householder Extension Windows or glazing
    Small domestic
  • 20 Courtland Avenue, Chingford, London, E4 6DU

    260304 Submitted 4 Feb 2026 165m away

    Construction of a single storey wraparound rear extension and dormer roof extension to main rear roof, together with installation of three roof lights to front roof slope and replacement side windows at ground floor level.

    Granted Householder Extension Loft or dormer +1
    Small domestic
  • 18 Courtland Avenue, Chingford, London, E4 6DU

    260849 Submitted 1 Apr 2026 165m away

    Construction of a single storey side and rear extension, dormer roof extension to main rear roof, together with installation of three roof lights to front roof slope and two rear facing dormer windows.

    Granted Householder Extension Loft or dormer +1
    Small domestic
  • 83 Whitehall Road, Chingford, London, E4 6DN

    252531 Submitted 27 Oct 2025 170m away

    Decision due ~22 Dec

    Submission of details pursuant to condition 11 ( Preliminary Ecological Assessment) and condition 28 (Secure By Design) attached to planning permission reference 213212, granted 24/08/2022.

    Status unknown Conditions
  • 83 Whitehall Road, Chingford, London, E4 6DN

    260272 Submitted 2 Feb 2026 170m away

    Decision due ~30 Mar

    Submission of details pursuant to condition 11 (Preliminary Ecological Assessment) and condition 28 (Secure By Design) attached to planning permission reference 213212, granted 24/08/2022.

    Status unknown Conditions

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.

    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