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21 Windermere Avenue Merton Park London SW19 3EP

23/P0325Full Planning PermissionRefused
Full

Refused on 14 March 2023

Council decision: Refuse PermissionDelegated (officer decision)

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

DEMOLITON OF EXISTING OUTBUILDING AND ERECTION OF A TWO STOREY OUTBUILDING IN REAR GARDEN

Received
2 February 2023
Decision level
Delegated (officer decision)
Ward
Merton Park
  1. Received2 Feb
  2. Validated8 Feb
  3. Consult.3 Mar
  4. Target16 Mar
  5. Decided14 Mar

Decided in 34 days (council typically 56)

About this application

This is a full planning application for an outbuilding at 21 Windermere Avenue Merton Park London SW19 3EP. Merton has handled 1,116 applications of this type. This one was decided in 40 days, 2 weeks quicker than Merton's typical decision time. There has been 1 other application at this address. In the past year there have been 125 applications across Merton Park. We hold 2,564 applications in total for the SW19 postcode area.

86% of full 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
SW19 3EP
Application type
Full Planning Permission
Development type
Development monitoring information not needed
Scale / size
Small

Planning application dates

Date validated
8 February 2023
Consultation expiry
3 March 2023
Consultation end
3 March 2023
Last date for comments
3 March 2023
Target decision date
16 March 2023
Application expires
30 March 2023
Permission expires
14 March 2023

Planning decision

Statutory period
50 days

Additional information

Documents
13

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Brownfield land register: The Rowans Surgery 1 Windermere Road, Streatham SW16 5HFRegister site at or near this address
  • 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 (21)

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 and heritage coasts.

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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