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233, Cannon Hill Lane, Raynes Park, SW20 9DB

25/P2934Prior Approval: Larger Home ExtensionAwaiting decision
Prior approval
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

APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 4.50M, MAXIMUM HEIGHT OF 3.30M AND EAVES HEIGHT OF 3M.

Submitted
13 October 2025
  1. Received13 Oct
  2. Validated
  3. Consult.
  4. Target
  5. Decided

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About this application

This is a planning application for a single storey rear extension at 233, Cannon Hill Lane, Raynes Park, SW20 9DB. Merton has handled 223 applications of this type. It has been with the council since 13 October 2025 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 99 applications across Cannon Hill. We hold 1,803 applications in total for the SW20 postcode area.

24% of prior approval: larger home extension applications at London Borough of Merton 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.Planning something similar? See what gets approved on your street

Application details

Postcode
SW20 9DB
Application type
Prior Approval: Larger Home Extension

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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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