21 Knoll Road Sidcup Kent DA14 4QT

This site has had 2 applications since 2026: 1 approved, 0 refused.

• 26/01149/FUL Granted

  21 Knoll Road Sidcup Kent DA14 4QT

  Erection of a single storey rear and side extension

  Submitted 11 Jun 2026 Full applications

1. 11 Jun 2026

   Received by Bexley

2. 15 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 10 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Bexley took a median of 56 days over the applications it decided in the last year.

This application is with Bexley for determination, against a statutory target of eight weeks. Over the last year Bexley's median decision took 56 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Bexley's portal will say. Our guide explains the common types.

• 21 Knoll Road Sidcup Kent DA14 4QT

  26/01149/FUL Submitted 11 Jun 2026 50 yards away

  Erection of a single storey rear and side extension

  Granted Full applications Extension
  Small domestic

• 25 Knoll Road Sidcup Kent DA14 4QT

  21/03363/LDCP Submitted 8 Nov 2021 50 yards away

  Lawful Development Certificate (Proposed) for alterations to the roof line incorporating hip to gable roof extension, a rear dormer, 4 roof lights and the addition of an svp to the rear elevation to provide rooms in the roof space.

  Granted Lawful development Extension Loft or dormer 7 docs

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

  14/01389/FUL Submitted 23 Jul 2014 50 yards 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

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

  12/00958/FULMIN Submitted 25 Apr 2014 50 yards away

  Minor amendments being change of material to windows at first floor level; addition/replacement of ground floor canopy and addition/replacement of doors to classrooms 5 and 6; raising of eaves/gutter/roof ridge to south elevation; removal of ground floor windows to classrooms 3, 6 and 9; addition of an external staircase and canopy to north elevation, pursuant to planning permission 12/00958/FUL relating to a two storey rear extension, replacing existing part two/part single storey extension.

  Granted Amendments Extension Windows or glazing 7 docs
  Small domestic

• 47 Knoll Road Sidcup Kent DA14 4QT

  26/00577/LDCP Submitted 20 Mar 2026 100 yards away

  Lawful Development Certificate (Proposed) for the conversion of garage to habitable room with alteration of fenestration to side/rear ground floor elevation.

  Granted Lawful development Windows or glazing 10 docs

• 6 Old Forge Way Sidcup Kent DA14 4QL

  25/02319/S211 Submitted 10 Nov 2025 150 yards away

  88% historically approved · decision due ~5 Jan

  Works to various trees within Old Forge Way Conservation Area.

  Awaiting decision Trees 2 docs