10 Mercia Grove, London, SE13 6BJ
Approved on 25 September 2025
Council decision: GrantedDelegated (officer decision)
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
Construction of a single storey lower ground extension to rear, together with the alterations of the external area at the side at 10 Mercia Grove SE13.
- Received
- 18 June 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Lewisham
- Ward
- Lewisham Central
- Agent
- 100% Architecture
- ReceivedReceived18 Jun
- ValidatedValidated23 Jul
- Consult.Consultation18 Sep
- TargetTarget Date18 Sep
- DecidedDecided25 Sep
Decided in 64 days (council typically 56)
About this application
This is a full planning application for an extension at 10 MERCIA GROVE, LONDON, SE13 6BJ. Lewisham has handled 2,816 applications of this type. This one was decided in 99 days, 6 weeks longer than Lewisham's typical decision time. The site is in the Mercia Grove conservation area. There are no previous applications recorded at this address. In the past year there have been 46 applications across Lewisham Central. We hold 980 applications in total for the SE13 postcode area.
85% of full 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
Application details
- Postcode
- SE13 6BJ
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 23 July 2025
- Consultation expiry
- 30 July 2025
- Neighbour consultation start
- 28 July 2025
- Last date for comments
- 18 September 2025
- Target decision date
- 18 September 2025
Applicant and agent
- Agent
- 100% Architecture
- Architect profile
- 100% ARCHITECTURE LIMITED
- Agent address
- 40 Stainer Road, Tonbridge, TN10 4DU
Planning decision
- Statutory period
- 57 days
Publicity
- Last advertised
- 30 July 2025
- Site notice start
- 28 July 2025
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 2: Medium probability (rivers and sea)Part of the site
- Conservation area: Mercia Grove
- Article 4 direction: Mercia Grove Article 4 Direction+1 more
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage 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.
Source: Lewisham
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- S & M Solutions Ltd | Design and Build ContractorVerifiedLondonExtensionsLoft Conversions1.9 mi
- Design and Management Systems LtdVerifiedElectrician3.9 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions4.7 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.5 mi
Planning something similar?
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