16 Castle Road Southampton SO18 1QQ

1. 14 Aug 2026

   Received by Southampton

2. 19 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Southampton took a median of 55 days over the applications it decided in the last year.

This application is with Southampton for determination, against a statutory target of eight weeks. Over the last year Southampton 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.

• 47 Castle Road Southampton SO18 1QP

  22/00613/PAH Submitted 19 Apr 2022 50 yards away

  Erection of a single storey rear extension (Max Depth 4.32 m, Max Height 2.96 m, Eaves Height 2.96 m)

  Granted Prior approval Extension 4 docs
  Small domestic

• 5 Castle Road Southampton SO18 1QP

  22/00544/FUL Submitted 8 Apr 2022 50 yards away

  Erection of a part 2-storey, part single storey side and rear extension.

  Granted Full applications Extension 8 docs
  Small domestic

• 43 Castle Road Southampton SO18 1QP

  25/01577/FUL Submitted 16 Dec 2025 50 yards away

  Erection of a part 2-storey, part single storey side/rear extension, including balcony, with boundary wall following demolition of existing conservatory.

  Granted Full applications Extension Demolition 5 docs
  Small domestic

• 36 Dell Road Southampton SO18 1QS

  20/00458/DIS Submitted 1 Apr 2020 100 yards away

  Application for details reserved by condition 1 (Materials and design of the staircase) of appeal decision ref APP/D1780/W/19/3241409 relating to planning application reference 19/01480/MMA.

  Granted Conditions 1 doc

• 32 Dell Road Southampton SO18 1QS

  22/00027/TPO Submitted 19 Jan 2022 100 yards away

  T1 Sycamore re pollard to previous cuts just above the main trunk for management of the tree.

  Granted Trees 4 docs

• 46 Dell Road Southampton SO18 1QS

  22/00022/FUL Submitted 10 Jan 2022 100 yards away

  Single storey side and rear extension with roof alterations including hip to gable, front dormer and roof lights to facilitate loft conversion

  Granted Full applications Extension Loft or dormer +1 5 docs
  Small domestic

• 26/01031/PLDC Awaiting decision

  231 Winchester Road Southampton SO16 6TP

  Application for a lawful development certificate for proposed use of part of the premises for pet care and treatment facility.

  Received 8 Sep, published by the council 10 Sep 2026 Lawful development
• 26/00980/PLDC Awaiting decision

  Unit C Atlantic Works Oakley Road Southampton SO16 4LL

  Application for a lawful development certificate for proposed use as indoor sport, recreation or fitness (Class E(d)).

  Received 21 Aug, published by the council 27 Aug 2026 Lawful development
• 26/00954/ELDC Awaiting decision

  5 Windrush Road Southampton SO16 9DE

  Application for a lawful development certificate for the existing use as a house in multiple occupation (HMO, Class C4).

  Received 17 Aug, published by the council 24 Aug 2026 Lawful development
• 26/00650/PLDC Refused

  158 Millbrook Road East Southampton SO15 1JR

  Application for a lawful development certificate for proposed use as offices (use class E).

  Received 4 Jun, published by the council 25 Jul 2026 Lawful development
• 26/00626/ELDC Granted

  82 Newcombe Road Southampton SO15 2FS

  Application for a lawful development certificate for the existing use as a house in multiple occupation (HMO, Class C4).

  Received 29 May, published by the council 25 Jul 2026 Lawful development