101 Cranbury Avenue and 101A Lyon Street St Marys Southampton SO14 0LY

1. 17 Mar 2025

   Received by Southampton

2. 27 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 May 2025, 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 54 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.

• 69 Cranbury Avenue Southampton SO14 0LS

  22/01338/FUL Submitted 28 Sep 2022 50 yards away

  Two storey flat roof rear extension with changes to fenestration, and dormer window to facilitate loft conversion

  Granted Full applications Extension Loft or dormer +1 6 docs

• 71 Cranbury Avenue Southampton SO14 0LS

  22/01228/FUL Submitted 5 Sep 2022 50 yards away

  Erection of a part 2-storey, part single storey rear extension and installation of rear dormer window to facilitate loft conversion

  Granted Full applications Extension Loft or dormer +1 7 docs
  Small domestic

• 101 Cranbury Avenue Southampton City Of Southampton SO14 0LS

  24/01069/FUL Submitted 25 Sep 2024 50 yards away

  Conversion of existing two bedroom dwelling to 2 x one bedroom flats with associated bin and cycle storage.

  Refused Full applications New dwelling 11 docs
  Domestic

• 87 Cranbury Avenue Southampton City Of Southampton SO14 0LS

  22/00438/ELDC Submitted 23 Mar 2022 50 yards away

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

  Granted Lawful development 6 docs

• Land to rear 59 & 61 Cranbury Avenue Southampton SO14 0LS

  21/00970/DIS Submitted 22 Jun 2021 50 yards away

  Application for approval of details reserved by condition 2(Materials), 3(Energy & Water) and 9(Construction Management Plan) of permission 20/00913/FUL for erection of a 1 x 2 bed dwelling.

  Granted Conditions 9 docs
  Domestic

• 60 Cranbury Avenue Southampton SO14 0LT

  22/01518/ELDC Submitted 12 Dec 2022 50 yards away

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

  Granted Lawful development 6 docs

• 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
• 26/00647/ELDC Granted

  18 Howard Road Southampton SO15 5BN

  Application for a lawful development certificate for the existing use as a 7-bedroom house in multiple occupation (HMO, Sui Generis)

  Received 3 Jun, published by the council 25 Jul 2026 Lawful development
• 26/00564/ELDC Granted

  61 Newcombe Road Southampton SO15 2FT

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

  Received 15 May, published by the council 25 Jul 2026 Lawful development
• 26/00637/PLDC Granted

  92 Kennedy Road Southampton SO16 5DQ

  Application for a lawful development certificate for a proposed single-storey rear extension.

  Received 1 Jun, published by the council 25 Jul 2026 Lawful development