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Planning application

25 Marmion Road Southsea PO5 2AT

Awaiting decision Portsmouth 26/00212/FUL Full Application

Works: New dwelling Extension Loft or dormer Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Proposed mansard roof extension to provide an additional storey to accommodate 2No. 1-bedroom flats. Alterations to the existing external rear staircase to provide access to all flats and fenestration to the front elevation. Construction of second floor balcony.

As published by the council, reference 26/00212/FUL

Application record

Reference
26/00212/FUL
Type
Full Application
Status
Awaiting decision
Received
23 Feb 2026
Validated
12 Mar 2026
Ward
St Jude
Decision by
Delegated
Postcode
PO5 2AT

Timeline

Dates from the published record

  1. 23 Feb 2026

    Received by Portsmouth

  2. 12 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 7 May 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.

Who's behind it

Company information only, from the register and Companies House

Critchley Architecture And Design (CAAD) Ltd Agent, an architecture practice

51 applications on PlanIndex · across 10 councils · 75% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

12 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

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What happens while it is decided

This application is with Portsmouth for determination, against a statutory target of eight weeks. Over the last year Portsmouth decided full applications in a median of 74 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

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