25 Garthorne Road, London, SE23 1EP
Proposal
Prior approval for the construction of a single-storey rear extension at 25 Garthorne Road, SE23 1EP. The extension would extend 4.7 metres beyond the rear wall of the original dwelling house, the maximum height would be 4 metres and the height at the eaves of the proposed extension would be 3 metres.
- Received
- 4 November 2015
- Decided
- 16 December 2015 · Approval Not Required
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Lewisham
- Ward
- Crofton Park
- ReceivedSubmitted4 Nov
- ValidatedValidated4 Nov
- Consult.Consultation16 Dec
- TargetTarget Date16 Dec
- DecidedDecided16 Dec
Decided in 42 days (council typically 56)
This is an outline application for a single storey rear extension at 25 GARTHORNE ROAD, LONDON, SE23 1EP. Lewisham has handled 1,023 applications of this type and approves 80% of them, typically deciding them in 54 days. This one was decided in 42 days, 12 days quicker than Lewisham's median. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 140 applications across Crofton Park. We hold 2,594 applications in total for the SE23 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Lewisham
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning constraints
Designations at the address point. Ones next to the site may also apply.
- Article 4 direction: Small HMO Northern Extension
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (22)
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, 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 2026-10-09. 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.
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