28 Portland Avenue Sidcup Kent DA15 9HA

1. 3 Oct 2025

   Received by Bexley

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 28 November 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 lawful development applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 3 Sherwood Park Avenue Sidcup Kent DA15 9HN

  18/01506/GPDE Submitted 31 May 2018 88m away

  The erection of a single storey rear extension, which would extend beyond the rear wall of the dwelling by 3 metres, for which the maximum height (including roof lantern) would be 3 metres, and for which the height of the eaves would be 2.8 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 metres, and for which the height of the eaves would be 2.8 metres.

  Granted Prior approval Extension Windows or glazing 7 docs
  Small domestic

• 53 Sherwood Park Avenue Sidcup Kent DA15 9HN

  17/02996/FUL Submitted 17 Nov 2017 89m away

  Vehicular Access

  Granted Full applications 3 docs

• 117 Wellington Avenue Sidcup Kent DA15 9HB

  26/00499/FUL Submitted 10 Mar 2026 91m away

  Erection of a single storey rear extension.

  Granted Full applications Extension 9 docs
  Small domestic

• 55 Sherwood Park Avenue Sidcup Kent DA15 9HN

  18/00848/FUL Submitted 26 Mar 2018 92m away

  Vehicular access

  Granted Full applications 3 docs

• 123 Wellington Avenue Sidcup Kent DA15 9HB

  14/01173/GPDE Submitted 20 Jun 2014 105m away

  The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.5 metres, and for which the height of the eaves would be 2.4 metres.

  Granted Prior approval Extension 4 docs
  Small domestic

• 43 Portland Avenue Sidcup Kent DA15 9HA

  26/00299/FUL Submitted 13 Feb 2026 107m away

  Erection of a part one/part two storey side and rear extension.

  Granted Full applications Extension 5 docs

• 26/01366/LDCE Granted

  106 Bexley Road Erith Kent DA8 3SP

  Lawful Development Certificate (Existing) for commencement of works relating to 21/03064/FULM.

  10 Jul 2026 Lawful development
• 26/00700/LDCE Granted

  45 Braundton Avenue Sidcup Kent DA15 8EN

  Lawful Development Certificate (Existing) for the continued use of the premises as a HMO for up to 6 occupants.

  9 Apr 2026 Lawful development
• 26/01321/LDCP Refused

  17 Walton Road Sidcup Kent DA14 4LJ

  Lawful Development Certificate (Proposed) for the erection of a single storey rear extension.

  7 Jul 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
• 26/01457/LDCP Awaiting decision

  23 Park Mead Sidcup Kent DA15 9PE

  Lawful Development Certificate (Proposed) for the erection of a single storey rear extension.

  24 Jul 2026 Lawful development