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Planning application

10 Cromwell Road, Walthamstow, London, E17 9JN

Status unknown Waltham Forest 260281 Certificate of Lawful Development - Proposed

Works: Extension Loft or dormer

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

As published by the council, reference 260281

Application record

Reference
260281
Type
Certificate of Lawful Development - Proposed
Received
2 Feb 2026
Ward
Wood Street
Postcode
E17 9JN

Timeline

Dates from the published record

  1. 2 Feb 2026

    Received by Waltham Forest

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 30 March 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

  • 7 St. Stephens Avenue Walthamstow E17 9LF

    070251 Submitted 27 Apr 2007 31m away

    Erection of single storey rear extension as shown in drawing nos.MNR/01/100 and MNR/01/103, received on 27th April 2007, MNR/01/104 Rev A and MNR/01/101 Rev A received on 19th June 2007.

    Granted Full applications Extension 5 docs
    Small domestic
  • 67 Beulah Road, Walthamstow, London, E17 9LD

    260952 Submitted 16 Apr 2026 69m away

    Decision due ~11 Jun

    Works to trees situated in a conservation area. Lime x 2 (T1 and T2) – Crown reduction circa 2 metres.

    Status unknown Trees
  • 69b Beulah Road, Walthamstow, London, E17 9LD

    252741 Submitted 21 Nov 2025 69m away

    T1: Sycamore (Rear garden) - Reduce height and lateral spread by 2m to suitable pruning points T2: Palm (Front garden) - Fell to ground level.

    Decided Trees
  • 69a Beulah Road, Walthamstow, London, E17 9LD

    252443 Submitted 15 Oct 2025 69m away

    Decision due ~10 Dec

    T1: Sycamore (Rear garden) - Reduce height and lateral spread by 2m to suitable pruning points T2: Palm (Front garden) - Fell to ground level

    Status unknown Trees
  • Ground Floor Flat 1, 89 Beulah Road, Walthamstow, London, E17 9LD

    260575 Submitted 5 Mar 2026 69m away

    Decision due ~30 Apr

    Construction of single storey wraparound rear extension.

    Status unknown Full applications Extension
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  • 75B Barclay Road, Walthamstow, London, E17 9JH

    261233 Submitted 18 May 2026 94m away

    Decision due ~13 Jul

    Construction of a single storey rear infill extension together with alterations to fenestration at rear and side elevations.

    Status unknown Householder Extension Windows or glazing
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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