26
Refused on 1 June 2026
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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
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey rear extension at a depth of 3.15m, an eaves height of 2.85m and a maximum height of 2.85m to 26 Merchiston Road, SE6.
- Submitted
- 1 May 2026
- Council
- London Borough of Lewisham
- ReceivedSubmitted1 May
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided1 Jun
Decided in 31 days (council typically 56)
About this application
This is a planning application for a single storey rear extension at 26. Lewisham has handled 67 applications of this type. This one was decided in 31 days, 4 weeks quicker than Lewisham's typical decision time. There have been 13 other applications at this address. In the past year there have been 154 applications across Catford South.
26% of prior approval: larger home extension applications at London Borough of Lewisham 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
Why it was refused
- The proposed development does not comply with the conditions, limitations or restrictions applicable to development permitted by Class A which exceeds the limits in paragraph A.1(f) but is allowed by paragraph A.1(g). The submitted plans include alterations to the rear elevation wall of the host property. Such works fall outside of the limitations and restrictions of an application for Prior Approval larger home extension under Class A of Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
From the council's decision notice.
Application details
- Application type
- Prior Approval: Larger Home Extension
Site constraints
Designations that overlap or adjoin the site outline.
- 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 2026-11-03. 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.
Planning history at this site
2 other applications at this property, newest first.
- 202611 Sep
Small rear extension to an existing terrace house replacing a UPVC conservatory into a WC and laundry space.
ApprovedLawful development: Proposed useDC/26/145371 - 20266 Jul
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Countr...
ApprovedHouseholderDC/26/144609
Source: Lewisham
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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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.