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12 Longfield Street SW18 5RE

2025/4565HouseholderApproved

Approved on 4 March 2026

Council decision: Approve with ConditionsDelegated (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

Alterations including erection of a mansard extension (with French doors and safety rail) to the main rear roof, including raising the ridge and chimney stack by 600mm; Erection of an extension above the two-storey back addition; Erection of a single storey rear and side extension; Removal of shopfront, installation of white rendered banding detail and 2 x timber sash windows and bricking up to match existing; Installation of a replacement timber front entrance door; Removal of existing front porch.

Received
17 December 2025
Decision level
Delegated (officer decision)
Ward
Southfields
  1. Received17 Dec
  2. Validated6 Jan
  3. Consult.27 Jan
  4. Target
  5. Decided4 Mar

Decided in 57 days (council typically 56)

About this application

This is a full planning application for a side extension at 12 Longfield Street SW18 5RE. Wandsworth has handled 3,005 applications of this type. This one was decided in 77 days, 3 weeks longer than Wandsworth's typical decision time. The site is in 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 79 applications across Southfields. We hold 2,266 applications in total for the SW18 postcode area.

91% of full applications at London Borough of Wandsworth 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
SW18 5RE
Application type
Householder
Development type
C3 - Dwellings
Scale / size
Small

Planning application dates

Date validated
6 January 2026
Consultation expiry
27 January 2026
Consultation start
6 January 2026
Consultation end
27 January 2026
Last date for comments
27 January 2026
Application expires
2 March 2026
Permission expires
4 March 2029

Planning decision

Statutory period
55 days

Additional information

Documents
10

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Brownfield land register: Gardeners Arms, 266-268 Merton RoadRegister 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. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

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: Wandsworth

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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