3 Marnock Road, London, SE4 1EU
Approved on 14 August 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
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a rear dormer extension to the outrigger and main roofs and the installation of a rooflight in the rear roof slope at 3 Marnock Road, SE4.
- Received
- 19 June 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Lewisham
- Ward
- Crofton Park
- Agent
- RB Design
- ReceivedReceived19 Jun
- ValidatedValidated19 Jun
- Consult.Consultation14 Aug
- TargetTarget Date14 Aug
- DecidedDecided14 Aug
Decided in 56 days (council typically 56)
About this application
This is an outline application for a dormer extension at 3 MARNOCK ROAD, LONDON, SE4 1EU. Lewisham has handled 1,023 applications of this type. This one was decided in 56 days. There are no previous applications recorded at this address. In the past year there have been 138 applications across Crofton Park. We hold 647 applications in total for the SE4 postcode area.
75% of outline 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
- SE4 1EU
- Application type
- Lawful Development Certificate proposed
- Scale / size
- Small
- Parish
- Does NOT need to go to BCAP
Planning application dates
- Date validated
- 19 June 2025
- Last date for comments
- 14 August 2025
- Target decision date
- 14 August 2025
Applicant and agent
- Agent
- RB Design
- Agent address
- Corner Cottage, The Limes, Felbridge, RH19 2QY
Planning decision
- Statutory period
- 56 days
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.
Source: Lewisham
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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For applicants and trades
Contractors near this project
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See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.