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Planning application

25/01522/CPE

17 Merton Road Southsea PO5 2AF

Awaiting decision Portsmouth Certificate of Existing Lawful Use/Dev

Proposal

Application for Certificate of Lawful Development for existing use as house in multiple occupation (sui generis)

As published by the council, reference 25/01522/CPE

Timeline

Dates from the published record

  1. 29 Dec 2025

    Received by Portsmouth

  2. 30 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Portsmouth for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 25/01411/TPO Granted

    Merton Court Victoria Road South Southsea

    Within Tree Preservation Order 49, (T8) Purple leafed plum (Prunus Cerasifera 'Pissardii') crown lift to 3m and reduce eastern facing laterals by 1m; (T5) Copper Beech (Fagus sylvatica) crown lift to 3m and reduce eastern facing laterals by 1m

    3 Dec 2025 28m away Trees
  • 25/01091/FUL Awaiting decision

    24 Merton Road Southsea PO5 2AQ

    Change of use from house in multiple occupation (Sui Generis) to mixed use falling within 11 person/6 bedroom holiday let (Sui Generis) and 4 person/2 bedroom house in multiple occupation (Class C4)

    18 Sep 2025 50m away Full applications
  • 25/01278/FUL Refused

    30 Victoria Road South Southsea PO5 2BT

    Change of use from 8-bed/8-person house in multiple occupation (Sui Generis) to 10-bed/10-person house in multiple occupation (Sui Generis) including construction of dormers to front and rear roofslopes and single storey rear extension

    3 Nov 2025 64m away Full applications
  • 25/01175/CPE Granted

    29 Victoria Road South Southsea PO5 2BX

    Application for Certificate of Lawful Development for existing use as house in multiple occupation

    10 Oct 2025 90m away Lawful development
  • 26/00377/FUL Awaiting decision

    Spencer Court & Selma Court Merton Road Southsea PO5 2AH

    Construction of addition floor to provide 4no. dwellinghouses (Class C3) with associated works, including the provision of an external lift.

    25 Mar 2026 123m away Full applications
  • 25/01493/HOU Decided

    77 Victoria Road South Southsea PO5 2BU

    Construction of single storey rear and side extension with terrace at first floor (following removal of existing extension and garage), alterations to fenestration and installation of heat pump

    19 Dec 2025 126m away Householder

In Portsmouth

  • 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