309 Halfway Street Sidcup Kent DA15 8DP
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
Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline including a rear dormer extension, with a juliet balcony and rooflights to front roofslope.
- Received
- 20 February 2026
- Decision due
- 17 April 2026
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Bexley
- Ward
- BLACKFEN & LAMORBEY
- ReceivedReceived20 Feb
- ValidatedValidated20 Feb
- Consult.Consultation
- TargetTarget Date17 Apr
- DecidedDecided
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About this application
This is an outline application for a dormer extension at 309 Halfway Street Sidcup Kent DA15 8DP. Bexley has handled 542 applications of this type. It has been with the council since 20 February 2026 and is still awaiting a decision. There has been 1 other application at this address. In the past year there have been 41 applications across BLACKFEN & LAMORBEY. We hold 593 applications in total for the DA15 postcode area.
80% of outline applications at London Borough of Bexley 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.See what's approved near your address
Application details
- Postcode
- DA15 8DP
- Application type
- Lawful Development Certificate-Proposed
- Scale / size
- Small
Planning application dates
- Date validated
- 20 February 2026
Applicant and agent
- Agent address
- Westshore Engineering 124 City Road London EC1V 2NX
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
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.
- 20258 Oct
Application to approve details of condition 3 (Materials), 4 (Vehicle Crossover), 5 (Sustainable Design…
ApprovedApplication25/01004/FUL01 - 202512 May
Erection of an attached two storey dwelling with refuse storage and parking to the rear including the…
ApprovedFull planning permission25/01004/FUL
Source: Bexley
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
- 10 HOLLAND GARDENS, LONDON, SE9 2DF25/4133/HD · FullApproved0.1 mi
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Design and Management Systems LtdVerifiedElectrician0.5 mi
- S & M Solutions Ltd | Design and Build ContractorVerifiedLondonExtensionsLoft Conversions3.5 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering9.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon9.8 mi
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