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12B Walcorde Avenue London Southwark SE17 1LS

25/AP/3514Minor applicationApproved
Full

Approved on 5 February 2026

Council decision: Minor - GRANTEDDelegated (officer decision)

Site boundary (council red line)

Proposal

Replacement of the timber sashes with like for like double glazed timber sashes - window boxes to be retained. Replacement of rear sash windows with visual like for like double glazed UPVC equivalents. Repositioning of external door to accommodate revised kitchen layout to the rear of the property. Installation of glazed double door. Reconstruction of damaged external stair and landing with a revised stair layout.

Received
3 December 2025
Decision level
Delegated (officer decision)
Ward
North Walworth
  1. Received3 Dec
  2. Validated17 Dec
  3. Consult.10 Jan
  4. Target10 Feb
  5. Decided5 Feb

Decided in 50 days (council typically 49)

About this application

This is a full planning application for window replacement at 12B Walcorde Avenue London Southwark SE17 1LS. Southwark has handled 1,045 applications of this type. This one was decided in 64 days, 2 weeks longer than Southwark's typical decision time. The site is in the Larcom Street conservation area, with 3 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 94 applications across North Walworth. We hold 400 applications in total for the SE17 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
SE17 1LS
Application type
Minor application
Scale / size
Small
Parish
Borough, Bankside And Walworth

Planning application dates

Date validated
17 December 2025
Last date for comments
10 January 2026
Target decision date
10 February 2026
Decision issued
6 February 2026
Permission expires
6 February 2029

Planning decision

Statutory period
55 days

Additional information

Comments
0
Documents
21

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Conservation area: Larcom Street
  • 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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