The Cottage, Mount Gardens, London, SE26 4NG
Approved on 21 January 2026
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
Demolition of existing single storey rear extension and construction of a replacement rear extension and all associated works at The Cottage, Mount Gardens, SE26.
- Received
- 18 November 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Lewisham
- Ward
- Forest Hill
- Agent
- Carlile Architects Ltd
- ReceivedReceived18 Nov
- ValidatedValidated20 Nov
- Consult.Consultation29 Dec
- TargetTarget Date15 Jan
- DecidedDecided21 Jan
Decided in 62 days (council typically 56)
About this application
This is a full planning application for demolition at THE COTTAGE, MOUNT GARDENS, LONDON, SE26 4NG. Lewisham has handled 2,816 applications of this type. This one was decided in 64 days, 8 days longer than Lewisham's typical decision time. The site is in the Sydenham Hill and Kirkdale conservation area, with 1 listed building nearby. There has been 1 other application at this address. In the past year there have been 181 applications across Forest Hill. We hold 2,166 applications in total for the SE26 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
- SE26 4NG
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 20 November 2025
- Consultation expiry
- 29 December 2025
- Consultation end
- 29 December 2025
- Neighbour consultation start
- 25 November 2025
- Neighbour consultation end
- 29 December 2025
- Last date for comments
- 15 January 2026
- Target decision date
- 15 January 2026
Applicant and agent
- Agent
- Carlile Architects Ltd
- Architect profile
- CARLILE ARCHITECTS LIMITED
- Agent address
- 1, Leatherdale Street, London, E1 4GW
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 3 December 2025
- Advertisement expiry
- 29 December 2025
- Site notice start
- 25 November 2025
- Site notice end
- 29 December 2025
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Sydnenham Hill
- 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 (20)
flood storage areas, 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
1 other application at this property, newest first.
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
Nearby applications
- THE COTTAGE, MOUNT GARDENS, LONDON, SE26 4NGDC/24/136177 · TreesApproved0.0 mi
- THE CHALET, MOUNT GARDENS, LONDON, SE26 4NGDC/24/136231 · TreesApproved0.0 mi
- 30 LAMMAS GREEN, LONDON, SE26 6LTDC/23/130992 · FullApproved0.0 mi
- 6 PANMURE ROAD, LONDON, SE26 6NADC/26/143166 · OutlineApproved0.1 mi
- 13 HASSOCKS CLOSE, LONDON, SE26 4BSDC/25/142441 · OutlineApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering2.9 mi
- Bello Electrics LTDVerifiedElectrician4.0 mi
- S & M Solutions Ltd | Design and Build ContractorVerifiedLondonExtensionsLoft Conversions4.9 mi
- Design and Management Systems LtdVerifiedElectrician5.9 mi
Planning something similar?
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