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Planning application

20/01777/LDCP

199 Northumberland Avenue Welling Kent DA16 2QE

Granted Bexley Lawful Development Certificate-Proposed

Proposal

Lawful Development Certificate (Proposed) for alterations to roofline incorporating hip to gable, rear dormer with Juliet balcony, window in the gable end and two rooflights in the front roofslope to provide rooms in the roofspace.

As published by the council, reference 20/01777/LDCP

Timeline

Dates from the published record

  1. 23 Jul 2020

    Received by Bexley

  2. 17 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

  • 25/02197/FUL Awaiting decision

    211 Northumberland Avenue Welling Kent DA16 2QF

    Conversion of roof space including rear dormer extension anf rooflights to front and side roof slopes, conversion of existing detached outbuilding to habitable space and alterations to front driveway including refuse and cycle stores.

    23 Oct 2025 39m away Full applications
  • 18/01211/GPDOT Granted

    Cabinet Outside Of 207 Northumberland Avenue Welling Kent

    Notice of permitted development for telecommunications apparatus comprising the installation of a cabinet.

    16 May 2018 44m away Telecoms
  • 26/01263/FUL Awaiting decision

    244 Northumberland Avenue Welling Kent DA16 2QG

    Erection of a single storey rear extension and raised platform and steps.

    29 Jun 2026 90m away Full applications
  • 18/01379/GPDOT Granted

    Cabinet Side Of 8 Millbrook Avenue Welling Kent

    Notice of permitted development for telecommunications apparatus comprising the installation of a cabinet.

    22 May 2018 92m away Telecoms
  • 18/01396/FUL Granted

    198 Northumberland Avenue Welling Kent DA16 2PY

    Part one/part two storey side and rear extension and front porch extension.

    14 May 2018 95m away Full applications
  • 26/00463/FUL Granted

    245 Montrose Avenue Welling Kent DA16 2QU

    Conversion of roof space including hip to gable enlargement and rear dormer extension.

    5 Mar 2026 117m 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