15 Bertram Cottages Wimbledon SW19 1LQ
Approved on 7 April 2026
Delegated (officer decision)
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 THE ERECTION OF A SINGLE STOREY REAR EXTENSION, FIRST FLOOR EXTENSION & LOFT CONVERSION.
- Received
- 13 October 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Merton
- Ward
- Wimbledon Town and Dundonald
- ReceivedReceived13 Oct
- ValidatedValidated3 Nov
- Consult.Consultation26 Nov
- TargetTarget Date
- DecidedDecided7 Apr
Decided in 155 days (council typically 56)
About this application
This is a full planning application for a single storey rear extension at 15 Bertram Cottages Wimbledon SW19 1LQ. Merton has handled 1,116 applications of this type. This one was decided in 176 days, 17 weeks longer than Merton's typical decision time. The site is in the Bertram Cottages conservation area. There are no previous applications recorded at this address. In the past year there have been 15 applications across Wimbledon Town and Dundonald. 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 1LQ
- Application type
- Full Planning Permission
- Development type
- Development monitoring information not needed
- Scale / size
- Small
Planning application dates
- Date validated
- 3 November 2025
- Consultation expiry
- 26 November 2025
- Consultation start
- 3 November 2025
- Consultation end
- 26 November 2025
- Last date for comments
- 26 November 2025
- Application expires
- 8 December 2025
Planning decision
- Statutory period
- 35 days
Additional information
- Documents
- 7
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Bertram Cottages
- 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, 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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Around this site
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Bello Electrics LTDVerifiedElectrician3.0 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering3.4 mi
- Lambert Heating & Renewables LtdVerified4.7 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing6.8 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.