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Planning application

26/00485/CPL

46 Carmarthen Avenue Portsmouth PO6 2AQ

Granted Portsmouth Certificate of Proposed Lawful Use/Dev

Proposal

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

As published by the council, reference 26/00485/CPL

Timeline

Dates from the published record

  1. 15 Apr 2026

    Received by Portsmouth

  2. 16 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 23 Apr 2026

    Decision issued: Grant CLUD

  4. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 26/00497/HOU Awaiting decision

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    Construction of two storey rear extension (following removal of existing) and enlargement of front porch

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  • 25/01046/HOU Decided

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  • 26/00164/TPO Granted

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  • 25/01456/HOU Awaiting decision

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  • 25/01346/HOU Decided

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    18 Nov 2025 152m away Householder

In Portsmouth

  • 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
  • 26/00156/CPE Granted

    132 Walmer Road Portsmouth PO1 5AU

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

    9 Feb 2026 Lawful development