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23 Cobham Road, Walthamstow, London, E17 4ED

261554Certificate of Lawful Development - ProposedApproved
Outline / PiP

Approved on 17 August 2026

Council decision: Approved (With Informatives)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Lawful Development Certificate (Proposed) - Construction of a single storey outbuilding within the rear garden.

Received
23 June 2026
Ward
Upper Walthamstow
  1. Received23 Jun
  2. Validated
  3. Consult.
  4. Target
  5. Decided17 Aug

Decided in 55 days (council typically 56)

About this application

This is an outline application for an outbuilding at 23 Cobham Road, Walthamstow, London, E17 4ED. Waltham Forest has handled 382 applications of this type. This one was decided in 55 days. There are no previous applications recorded at this address. In the past year there have been 95 applications across Upper Walthamstow. We hold 2,000 applications in total for the E17 postcode area.

79% of outline applications at London Borough of Waltham Forest were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
E17 4ED
Application type
Certificate of Lawful Development - Proposed

Planning application dates

Validated
23 June 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Other Article 4 Direction Area
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Waltham Forest

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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