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Planning application

18/01343/LDCP

23 Longlands Park Crescent Sidcup Kent DA15 7NG

Granted Bexley Lawful Development Certificate-Proposed

Proposal

Lawful Development Certificate (Proposed) for alterations to roof line including hip to gable end and extension of soil vent pipe, formation of rear dormer extension and addition of one window in side elevation.

As published by the council, reference 18/01343/LDCP

Timeline

Dates from the published record

  1. 14 May 2018

    Received by Bexley

  2. 18 Jun 2018

    Decision issued: Certificate of Lawfulness Granted

  3. 2 Aug 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 26/00979/FUL Awaiting decision

    61 Parkhill Road Sidcup Kent DA15 7NJ

    Erection of a single storey front / side / rear extension including alterations to front fenestration and conversion of roof space involving alterations to existing roofline, including rear dormer window extensions and rooflights to front roofslope.

    15 May 2026 85m away Full applications
  • 23/01194/FUL Granted

    65 Parkhill Road Sidcup Kent DA15 7NJ

    Proposed single storey rear extension.

    25 May 2023 88m away Full applications
  • 18/02165/LDCP Granted

    65 Parkhill Road Sidcup Kent DA15 7NJ

    Lawful Development Certificate (Proposed) for alteration to roof line including hip to gable end and formation of rooms in roof space incorporating rear dormer extension and two roof light windows to front roof slope.

    14 Aug 2018 88m away Lawful development
  • 20/00063/FUL Granted

    37 Parkhill Road Sidcup Kent DA15 7NJ

    Single storey rear extension.

    9 Jan 2020 95m away Full applications
  • 26/00005/FUL Awaiting decision

    66 Longlands Park Crescent Sidcup Kent DA15 7NE

    Erection of a part one, part two storey front/ side / rear extension.

    5 Jan 2026 106m away Full applications
  • 20/00289/FUL Granted

    47 Longlands Road Sidcup Kent DA15 7LS

    Vehicular access

    3 Feb 2020 120m 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