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Planning application

118 Chestnut Avenue South, Walthamstow, London, E17 9EL

Refused Waltham Forest 252037 Certificate of Lawful Development - Proposed

Works: Extension Loft or dormer

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Lawful Development Certificate (Proposed) - Construction of a dormer roof extension to main rear roof, and roof extension above two storey outrigger, together with installation of three roof lights to front roof slope

As published by the council, reference 252037

Application record

Reference
252037
Type
Certificate of Lawful Development - Proposed
Status
Rejected
Decision
Refused (with Reasons)
Received
20 Aug 2025
Ward
Wood Street
Postcode
E17 9EL

Site history

Applications at this address on the Waltham Forest register

This site has had 3 applications since 2025: 1 approved, 1 refused.

  • 252495 Granted

    118 Chestnut Avenue South, Walthamstow, London, E17 9EL

    Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof and extension above two storey rear outrigger together with installation of two roof-lights to front roof.

    Submitted 21 Oct 2025 Lawful development
  • 252113 Status unknown

    118 Chestnut Avenue South, Walthamstow, London, E17 9EL

    Construction of single storey wraparound rear extension.

    Submitted 2 Sep 2025 Householder

Timeline

Dates from the published record

  1. 20 Aug 2025

    Received by Waltham Forest

  2. 10 Aug 2026

    Added to PlanIndex

What this refusal means

Waltham Forest refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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

  • 118 Chestnut Avenue South, Walthamstow, London, E17 9EL

    252495 Submitted 21 Oct 2025 0m away

    Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof and extension above two storey rear outrigger together with installation of two roof-lights to front roof.

    Granted Lawful development Extension Loft or dormer
  • 110 Chestnut Avenue South, Walthamstow, London, E17 9EL

    252704 Submitted 18 Nov 2025 0m away

    (1) Demolition of existing single storey rear lean-to extension to facilitate the construction of a single storey rear infill extension. (2) Demolition of existing front porch.

    Granted Householder Extension Demolition
    Small domestic
  • 118 Chestnut Avenue South, Walthamstow, London, E17 9EL

    252113 Submitted 2 Sep 2025 0m away

    Decision due ~28 Oct

    Construction of single storey wraparound rear extension.

    Status unknown Householder Extension
    Small domestic
  • 123 Chestnut Avenue South, Walthamstow, London, E17 9EJ

    252713 Submitted 18 Nov 2025 31m away

    Variation of condition 2 (Approved plans) and condition 3 (Materials) attached to planning permission reference 210444 granted 12/04/2021 to allow an alternative external material finish and changes to the rear window size and height at ground floor level.

    Granted Amendments Windows or glazing
  • 193 Shernhall Street, Walthamstow, London, E17 9HX

    261522 Submitted 18 Jun 2026 70m away

    Decision due ~13 Aug

    Lawful development certificate (Proposed) for construction of rear dormer extension to main roof, roof extension above the two storey rear outrigger and installation of three roof-lights to the front roof slope.

    Status unknown Lawful development Extension Loft or dormer
  • 42 Greville Road, Walthamstow, London, E17 9HG

    260055 Submitted 9 Jan 2026 191m away

    Decision due ~6 Mar

    Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, extension above two storey rear outrigger, together with installation of two roof-lights at front roof.

    Status unknown Lawful development Extension Loft or dormer

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