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21 Valognes Avenue, Walthamstow, London, E17 5PW

261220Prior Approval - Larger Home ExtensionAwaiting decision
Outline / PiP
Approximate location: the centre of the postcode, not the exact property.

Proposal

Prior approval for the construction of a single storey rear extension which would extend 6.00m beyond the rear wall of the existing dwelling, a maximum height of 3.00m and an eaves height of 3.00m.

Received
18 May 2026
Ward
Higham Hill
  1. Received18 May
  2. Validated
  3. Consult.
  4. Target
  5. Decided

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About this application

This is an outline application for a single storey rear extension at 21 Valognes Avenue, Walthamstow, London, E17 5PW. Waltham Forest has handled 382 applications of this type. It has been with the council since 18 May 2026 and is still awaiting a decision. There has been 1 other application at this address. In the past year there have been 105 applications across Higham Hill. 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 5PW
Application type
Prior Approval - Larger Home Extension

Planning application dates

Validated
18 May 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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.

Associated applications

  1. 2026
    18 May

    Prior approval for the construction of a single storey rear extension which would extend 6.00m beyond the…

    This applicationPendingOutline261220
  2. 2026
    18 May

    Lawful Development Certificate (Proposed) - Construction of a hip to gable side roof extension, and dormer…

    ApprovedOutlineFiled alongside261221

Source: Waltham Forest

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

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