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Planning application

26/00351/LDCP

309 Halfway Street Sidcup Kent DA15 8DP

Awaiting decision Bexley Lawful Development Certificate-Proposed

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

  1. 20 Feb 2026

    Received by Bexley

  2. 25 Jul 2026

    Added to PlanIndex

  3. 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.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 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.

    8 Oct 2025 0m away Conditions
  • 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.

    17 Jun 2024 177m away Conditions
  • 18/01314/FUL Granted

    265 Halfway Street Sidcup Kent DA15 8DP

    Single storey rear extension with roof light.

    10 May 2018 183m away Full applications
  • 21/02733/FUL Granted

    216 Halfway Street Sidcup Kent DA15 8DW

    Single storey rear extension

    24 Aug 2021 194m away Full applications
  • 20/00434/FUL Granted

    2 Crombie Road Sidcup Kent DA15 8AU

    Part one/ part two storey side and rear extension.

    20 Feb 2020 205m away Full applications
  • 26/01128/FUL Awaiting decision

    14 Crombie Road Sidcup Kent DA15 8AU

    Erection of single storey rear extension.

    8 Jun 2026 219m away Full applications

In Bexley

  • 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.

    4 Jun 2026 Lawful development
  • 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.

    3 Jun 2026 Lawful development
  • 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.

    27 May 2026 Lawful development
  • 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.

    27 Jul 2026 Lawful development
  • 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.

    1 Jun 2026 Lawful development