23 Lyndon Avenue Sidcup Kent DA15 8RL

1. 4 Nov 2025

   Received by Bexley

2. 5 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 31 December 2025, 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 decided prior approval applications in a median of 42 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 56 Lyndon Avenue Sidcup Kent DA15 8RJ

  14/01344/GPDE Submitted 11 Jul 2014 58m away

  The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 5.96 metres, for which the maximum height would be 3.6 metres, and for which the height of the eaves would be 2.6 metres.

  Granted Prior approval Extension 4 docs
  Small domestic

• 56 Lyndon Avenue Sidcup Kent DA15 8RJ

  14/01345/FUL Submitted 11 Jul 2014 58m away

  Single storey side/front extension.

  Granted Full applications Extension 17 docs
  Small domestic

• 249 Blackfen Road Sidcup Kent DA15 8PR

  18/01557/FUL Submitted 14 Jun 2018 59m away

  Single storey rear extension.

  Granted Full applications Extension 6 docs
  Small domestic

• 225 Blackfen Road Sidcup Kent DA15 8PR

  26/00903/FUL Submitted 7 May 2026 68m away

  Erection of a single storey rear extention following demoliton of existing detached garage.

  Granted Full applications 10 docs
  Small domestic

• 1 - 3 Gloucester Parade Blackfen Road Sidcup Kent DA15 8PS

  18/02831/FULMIN01 Submitted 14 Feb 2020 76m away

  Application for a non-material amendment for alterations to front glazing and side windows to the parent permission ref. 18/02831/FUL. The parent permission being for the change of use from bank (Use Class A2) to Dwellings (Use Class C3) to provide 3 x 1 bed and 2 x 2 bed flats with new front entrances and rear entrances with privacy/amenity space.

  Granted Amendments New dwelling Windows or glazing 5 docs

• 52 Lyndon Avenue Sidcup Kent DA15 8RJ

  17/03052/GPDE Submitted 1 Dec 2017 91m away

  The erection of a single storey rear extension, which would extend beyond the rear wall of the dwelling by 2.35 metres, for which the maximum height (including roof lantern) would be 3.7 metres, and for which the height of the eaves would be 2.95 metres. The total extension (including previous enlargements) would extend beyond the rear wall of the original dwelling by 6 metres, for which the maximum height of the total enlargement will be 3.7 metres, and for which the height of the eaves would be 2.95 metres.

  Granted Prior approval Extension Windows or glazing 3 docs
  Small domestic

• 26/01736/GPDE Awaiting decision

  8 Haven Close Sidcup Kent DA14 5DY

  The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres.

  11 Sep 2026 Prior approval
• 26/01127/PRIOR Granted

  Heron Works 23 Heron Hill Belvedere Kent DA17 5ER

  Prior Approval Notification for a Change of use from Commercial Class E(a) to Residential Dwelling Class (C3) to create 10 self-contained residential units along with cycle/refuse storage and associated parking.

  8 Jun 2026 Prior approval
• 26/01317/GPDE Granted

  143 Longmead Drive Sidcup Kent DA14 4NY

  The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.00 metres, for which the maximum height would be 4.00 metres, and for which the height of the eaves would be 2.50 metres.

  7 Jul 2026 Prior approval
• 26/01232/PRIORD Granted

  21 Eversley Avenue Bexleyheath Kent DA7 6RD

  Prior notification of proposed demolition of an outbuilding to the rear of the property.

  23 Jun 2026 Prior approval
• 26/01231/GPDE Granted

  31 Kingswood Avenue Belvedere Kent DA17 5HN

  The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 5.00 metres, for which the maximum height would be 2.95 metres, and for which the height of the eaves would be 2.95 metres.

  23 Jun 2026 Prior approval