Ground Floor Flat 25 Oswin Street London Southwark SE11 4TF
Approved on 18 February 2026
Council decision: Minor - GRANTEDDelegated (officer decision)
Proposal
Construction of a single storey rear extension following demolition of the existing extension, along with replacement of existing single-glazed timber windows to front and rear elevations with double-glazed like-for-like timber windows.
- Received
- 10 December 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Southwark
- Ward
- St Georges
- ReceivedReceived10 Dec
- ValidatedValidated6 Jan
- Consult.Consultation29 Jan
- TargetTarget Date2 Mar
- DecidedDecided18 Feb
Decided in 43 days (council typically 49)
About this application
This is a full planning application for demolition at Ground Floor Flat 25 Oswin Street London Southwark SE11 4TF. Southwark has handled 1,045 applications of this type. This one was decided in 70 days, 3 weeks longer than Southwark's typical decision time. The site is in the Eliot's Row conservation area. There are no previous applications recorded at this address. In the past year there have been 36 applications across St Georges. We hold 1,222 applications in total for the SE11 postcode area.
93% of full applications at London Borough of Southwark were approved. Across all application types, the council typically decides in about 7 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
- SE11 4TF
- Application type
- Minor application
- Scale / size
- Small
- Parish
- Borough, Bankside And Walworth
Planning application dates
- Date validated
- 6 January 2026
- Last date for comments
- 29 January 2026
- Target decision date
- 2 March 2026
- Permission expires
- 18 February 2029
Planning decision
- Statutory period
- 55 days
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)
- Conservation area: Elliot's Row
- Article 4 direction: Central Activities Zone+1 more
Also checked, none recorded (22)
flood storage 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.
Source: Southwark
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- Avent Roofing ServicesVerifiedWestminsterRoofing1.9 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.6 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.0 mi
Planning something similar?
See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.