Planning application
26/00351/LDCP
309 Halfway Street Sidcup Kent DA15 8DP
Proposal
Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline including a rear dormer extension and rooflights to front roofslope.
As published by the council, reference 26/00351/LDCP
Timeline
Dates from the published record
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20 Feb 2026
Received by Bexley
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25 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Bexley for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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25/01004/FUL01 Awaiting decision
309 Halfway Street Sidcup Kent DA15 8DP
Application to approve details of condition 3 (Materials), 4 (Vehicle Crossover), 5 (Sustainable Design Measures), 6 (Water Drainage), 7 (CMP), 8 (Parking), 13 (Bird Box) and 15 (Building Regs) pursuant to application 25/01004/FUL for Erection of an attached two storey dwelling with refuse storage and parking to the rear including the conversion of the existing hipped roof to gable roof and demolition of an existing garage in the rear garden of the property.
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24/1962/SD Refused
193 AVERY HILL ROAD, AVERY HILL, LONDON SE9 2EX
Submission of details pursuant to Conditions 3 (External Materials), 5 (Construction Management Plan), 6 (Refuse & Recycling Details), 7 (Hard And Soft Landscaping), 8 (Cycle Parking) & 13 (Site Survey) of planning permission 23/3949/F dated 27/02/2024.
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18/01314/FUL Granted
265 Halfway Street Sidcup Kent DA15 8DP
Single storey rear extension with roof light.
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21/02733/FUL Granted
216 Halfway Street Sidcup Kent DA15 8DW
Single storey rear extension
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20/00434/FUL Granted
2 Crombie Road Sidcup Kent DA15 8AU
Part one/ part two storey side and rear extension.
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26/01128/FUL Awaiting decision
14 Crombie Road Sidcup Kent DA15 8AU
Erection of single storey rear extension.
Other lawful development applications
In Bexley
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26/01110/LDCP Granted
106 Long Lane Bexleyheath Kent DA7 5AW
Lawful Development Certificate (Proposed) for the conversion of roof space including rear L-shaped dormer extension.
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26/01099/LDCP Granted
41 Sherbrooke Close Bexleyheath Kent DA6 7EQ
Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline including a rear dormer extension and rooflight to front roofslope.
-
26/01055/LDCP Granted
48 Hythe Avenue Bexleyheath Kent DA7 5NU
Lawful Development Certificate (Proposed) for the conversion of existing side garage and WC to habitable space.
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26/01464/LDCP Awaiting decision
7 Stephen Road Bexleyheath Kent DA7 6EF
Lawful Development Certificate (Proposed) for the siting of a mobile home for ancillary use to the main dwellinghouse.
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26/01074/LDCP Granted
49 Hatherley Road Sidcup Kent DA14 4BB
Lawful Development Certificate (Proposed) for the erection of a single storey rear extension following demolition of existing rear lean to.