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Planning application

20/01708/LDCP

223 Old Farm Avenue Sidcup Kent DA15 8AW

Granted Bexley Lawful Development Certificate-Proposed

Proposal

Lawful Development Certificate (Proposed) for alterations to the roof line incorporating hip to gable rear dormer with Juliet balcony extension with two rooflights in the front roof slope to provide rooms in the roofspace.

As published by the council, reference 20/01708/LDCP

Timeline

Dates from the published record

  1. 20 Jul 2020

    Received by Bexley

  2. 14 Sep 2020

    Decision issued: Certificate of Lawfulness Granted

  3. 25 Jul 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

  • 26/00156/GPDE Granted

    174 Old Farm Avenue Sidcup Kent DA15 8AL

    The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.35 metres, and for which the height of the eaves would be 2.80 metres.

    27 Jan 2026 89m away Prior approval
  • 18/01548/FUL Granted

    247 And 249 Old Farm Avenue Sidcup Kent DA15 8AP

    First floor rear extensions and single storey rear extensions to 247 and 249 Old Farm Avenue.

    13 Jun 2018 104m away Full applications
  • 21/02489/FUL Granted

    63 Pinewood Avenue Sidcup Kent DA15 8BB

    Single storey rear extension.

    2 Aug 2021 112m away Full applications
  • 18/01535/FUL Refused

    49 Pinewood Avenue Sidcup Kent DA15 8BB

    Alterations to roofline including hip to gable end and an extension to the rear dormer to enlarge room in roof space.

    12 Jun 2018 118m away Full applications
  • 18/01906/FUL Granted

    158 Old Farm Avenue Sidcup Kent DA15 8AL

    First floor side extension.

    17 Jul 2018 125m away Full applications
  • 18/01537/FUL Granted

    173 Old Farm Avenue Sidcup Kent DA15 8AW

    Single storey rear extension

    12 Jun 2018 138m 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