Sunnymead, Heath Lane, London, SE3 0UT
Approved on 20 July 2026
7 conditions
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 single storey side extension, part one/part two-storey rear extension, dormer extension to front roof slope, widening of rear dormer, installation of additional front door and all associated works at Sunnymead, Heath Lane SE3.
- Received
- 9 January 2026
- Public comments
- 3
- Council
- London Borough of Lewisham
- Ward
- Blackheath
- Agent
- Conrad Koslowsky Architects
- ReceivedReceived9 Jan
- ValidatedValidated19 Jan
- Consult.Consultation16 Mar
- TargetTarget Date16 Mar
- DecidedDecided20 Jul
Decided in 182 days (council typically 56)
About this application
This is a full planning application for a two storey rear extension at SUNNYMEAD, HEATH LANE, LONDON, SE3 0UT. Lewisham has handled 2,816 applications of this type. This one was decided in 192 days, 19 weeks longer than Lewisham's typical decision time. The site is in the Blackheath conservation area, with 1 listed building nearby. There have been 2 other applications at this address. In the past year there have been 167 applications across Blackheath. We hold 1,346 applications in total for the SE3 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
- SE3 0UT
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 19 January 2026
- Consultation expiry
- 28 January 2026
- Neighbour consultation start
- 10 February 2026
- Last date for comments
- 16 March 2026
- Target decision date
- 16 March 2026
Applicant and agent
- Agent
- Conrad Koslowsky Architects
- Agent address
- Unit 5H, Stamford Works, 3 Gillett Street, London, London, N16 8JH
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 28 January 2026
Additional information
- Planning Portal ID
- PP-14475500
- Documents
- 25
- Constraints
- 3
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Blackheath
- 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 (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.
Planning history at this site
2 other applications at this property, newest first.
Source: Lewisham
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near SE3
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- 13 HURREN CLOSE, LONDON, SE3 0XADC/24/135174 · FullApproved0.1 mi
- 29 PAGODA GARDENS, LONDON, SE3 0UXDC/23/130194 · FullApproved0.1 mi
- 3 ELIOT PLACE, LONDON, SE3 0QLDC/26/143115 · HeritageApproved0.1 mi
- 3 ELIOT PLACE, LONDON, SE3 0QLDC/26/143114 · FullApproved0.1 mi
- 6 NESBITT CLOSE, LONDON, SE3 0XBDC/26/143231 · OutlineApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- S & M Solutions Ltd | Design and Build ContractorVerifiedLondonExtensionsLoft Conversions1.4 mi
- Design and Management Systems LtdVerifiedElectrician3.7 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions4.4 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.9 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.