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18 Ashtree Avenue, Mitcham, Merton, CR4 3DR

26/PAHE/1362Approved
Prior approval

Approved

Council decision: Prior Approval Not Required

Approximate location: the centre of the postcode, not the exact property.

Proposal

APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 2.94M.

Received (week of)
6 July 2026
Ward
Lavender Fields
  1. Received6 Jul
  2. Validated
  3. Consult.
  4. Target
  5. Decided

About this application

This is a planning application for a single storey rear extension at 18 Ashtree Avenue, Mitcham, Merton, CR4 3DR. Merton has handled 6,576 applications of this type. There has been 1 other application at this address. In the past year there have been 49 applications across Lavender Fields. We hold 877 applications in total for the CR4 postcode area.

Application details

Postcode
CR4 3DR

Planning decision

Decision
Prior Approval Not Required

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, 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: Merton

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

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