164 St Augustine Road Southsea PO4 9AE

1. 13 Apr 2026

   Received by Portsmouth

2. 14 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

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

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

This application is with Portsmouth for determination, against a statutory target of eight weeks. Over the last year Portsmouth decided lawful development applications in a median of 57 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.

• 160 Bath Road Southsea PO4 0HU

  25/01150/HOU Submitted 2 Oct 2025 69m away

  Retrospective application for construction of single storey rear extension (following removal of existing)

  Granted Householder Extension 9 docs
  Small domestic

• 101 Bath Road Southsea PO4 0HX

  26/00062/CPE Submitted 21 Jan 2026 102m away

  92% historically approved · decision due ~20 Mar

  Application for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)

  Awaiting decision Lawful development 4 docs

• Flat Ground Floor 1B Devonshire Avenue Southsea PO4 9EA

  26/00246/FUL Submitted 3 Mar 2026 104m away

  83% historically approved · decision due ~17 Jun

  Convertion of the ground floor into two 1 bedroom flats, alterations to raise rear building and fenestration

  Awaiting decision Full applications New dwelling Windows or glazing

• 1B Devonshire Avenue Southsea PO4 9EA

  25/01442/FUL Submitted 10 Dec 2025 104m away

  Conversion to form two flats at ground floor; external alterations to include construction of single storey extension at first floor

  Refused Full applications New dwelling Extension 12 docs
  Several homes

• 112 Haslemere Road Southsea PO4 9AR

  25/00874/OUT Submitted 28 Jul 2025 119m away

  88% historically approved · decision due ~11 Nov

  Outline application for proposed conversion of the existing SBS Kitchen commercial unit to 3no. dwellings and construction of 1no. dwelling next to 45 Mafeking Road (all matters to be reserved)

  Awaiting decision Outline 10 docs
  Several homes

• 1 Devonshire Avenue Southsea

  25/01419/CPE Submitted 3 Dec 2025 120m away

  Application for Certificate of Lawful Development for existing use as 2 no 1 bedroom self contained flats

  Granted Lawful development New dwelling 4 docs

• 26/00485/CPL Granted

  46 Carmarthen Avenue Portsmouth PO6 2AQ

  Application for Certificate of Lawful Development for the proposed single storey outbuilding

  15 Apr 2026 Lawful development
• 26/00209/CPL Granted

  12 Second Avenue Portsmouth PO6 1JS

  Application for Certificate of Lawful Development for the proposed construction of outbuilding

  23 Feb 2026 Lawful development
• 26/00482/CPE Awaiting decision

  24 Guildford Road Portsmouth PO1 5HX

  Application for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)

  15 Apr 2026 Lawful development
• 26/00484/CPE Awaiting decision

  8 Outram Road Southsea

  Application for Certificate of Lawful Development for existing use as four residential apartments

  15 Apr 2026 Lawful development
• 26/00161/CPE Granted

  141 Guildford Road Portsmouth PO1 5BE

  Application for lawful development for existing use as a House in Multiple Occupation (Class C4)

  10 Feb 2026 Lawful development