47 Knoll Road Sidcup Kent DA14 4QT

1. 20 Mar 2026

   Received by Bexley

2. 15 May 2026

   Decision issued: Certificate of Lawfulness Granted

3. 25 Jul 2026

   Added to PlanIndex

Bexley granted permission on 15 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• Oakleigh House Rectory Lane Sidcup Kent DA14 4QJ

  26/00909/T Submitted 7 May 2026 96m away

  Works to various trees protected by a tree preservation order.

  Granted Trees 5 docs

• Toucy Rectory Lane Sidcup Kent DA14 4QW

  25/01721/T Submitted 18 Aug 2025 96m away

  86% historically approved · decision due ~13 Oct

  Works to various trees protected by a Tree Preservation Order.

  Awaiting decision Trees 6 docs

• 21 Knoll Road Sidcup Kent DA14 4QT

  26/01150/LDCP Submitted 11 Jun 2026 99m away

  90% historically approved · decision due ~10 Aug

  Lawful development certificate (proposed) for the conversion of roof space including hip to gable enlargement, rear dormer extension and rooflights to front and rear roof slope.

  Awaiting decision Extension Loft or dormer

• 21 Knoll Road Sidcup Kent DA14 4QT

  26/01149/FUL Submitted 11 Jun 2026 99m away

  91% historically approved · decision due ~6 Aug

  Erection of a single storey rear and side extension

  Decided Full applications Extension
  Small domestic

• Toucy Rectory Lane Sidcup Kent DA14 4QW

  18/01756/FUL Submitted 12 Jun 2018 102m away

  Part one/two storey side and rear extension. Replacement detached domestic garage.

  Granted Full applications Extension 5 docs

• Merton Court School 38 Knoll Road Sidcup Kent DA14 4QU

  14/01389/FUL Submitted 23 Jul 2014 135m away

  Proposal under Section 73 of The Town and Country Planning Act 1990 regarding a two storey rear extension, replacing existing part two/part single storey extension approved under planning permission 12/00958/FUL to allow removal of BREEAM assessment condition.

  Granted Full applications Extension 2 docs
  Small domestic

• 26/01737/LDCP Awaiting decision

  8 Haven Close Sidcup Kent DA14 5DY

  Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline, a rear dormer extension and rooflights to front roofslope.

  11 Sep 2026 Lawful development
• 26/01730/LDCP Awaiting decision

  3 Garden Avenue Bexleyheath Kent DA7 4LH

  Lawful Development Certificate (Proposed) for the erection of a mobile home ancillary to the main dwelling.

  10 Sep 2026 Lawful development
• 26/01254/LDCP Granted

  31 Blackfen Road Sidcup Kent DA15 8QD

  Lawful Development Certificate (Proposed) for the erection of a single storey detached outbuilding to rear garden.

  26 Jun 2026 Lawful development
• 26/01251/LDCP Granted

  28 Sheridan Road Belvedere Kent DA17 5AR

  Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline, including a rear dormer extensions and rooflights to front roofslope.

  25 Jun 2026 Lawful development
• 26/01248/LDCP Granted

  152 Howard Avenue Bexley Kent DA5 3AX

  Lawful Development Certificate (Proposed) for the conversion of roof space including rear dormer extension and rooflights to front roof slope.

  25 Jun 2026 Lawful development