43 Arlesford Road London SW9 9JS
Approved on 31 October 2025
Council decision: Grant PermissionDelegated (officer decision)3 conditions
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
Erection of a single storey ground floor side in-fill extension, the removal of the existing rear and flank wall windows and creation of a new rear door, creation of a new rear elevation window and the removal of the existing rear elevation window and replacement with a new set of garden doors to Flat A.
- Received
- 11 August 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Lambeth
- Ward
- Clapham East
- Agent
- Design Extension - https://www.designextension.co.uk/
- ReceivedReceived11 Aug
- ValidatedValidated11 Aug
- Consult.Consultation13 Sep
- TargetTarget Date6 Oct
- DecidedDecided31 Oct
Decided in 81 days (council typically 56)
About this application
This is a full planning application for an extension at 43 Arlesford Road London SW9 9JS. Lambeth has handled 398 applications of this type. This one was decided in 81 days, 4 weeks longer than Lambeth's typical decision time. The site is in a conservation area, with 3 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 93 applications across Clapham East. We hold 1,813 applications in total for the SW9 postcode area.
70% of full applications at London Borough of Lambeth 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.See what's approved near your address
Application details
- Postcode
- SW9 9JS
- Application type
- Full Planning Permission
- Scale / size
- Small
Planning application dates
- Date validated
- 11 August 2025
- Consultation expiry
- 13 September 2025
- Consultation end
- 13 September 2025
- Neighbour consultation end
- 13 September 2025
- Target decision date
- 6 October 2025
Applicant and agent
- Agent
- Design Extension - https://www.designextension.co.uk/
- Agent address
- 3 Great Woodcote Park Purley CR8 3QU
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)
flood storage areas, conservation areas, listed buildings, Article 4 directions, 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: Lambeth
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- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering2.0 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing3.0 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman4.0 mi
- Bello Electrics LTDVerifiedElectrician4.6 mi
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