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Planning application

Fort Cumberland Fort Cumberland Road Southsea PO4 9LD

Awaiting decision Portsmouth 26/00196/LBC Listed Building Consent

Works: Windows or glazing

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

Proposal

Internal alterations to skeleton preparation laboratory building including reconfiguration of partitions to form new acetone storage area, office and accessible WC. External alterations to including enlargement of external door on the west elevation and creation of a new doorway using an existing window position on the east elevation for emergency escape and ventilation. existing damaged slab to be removed and replaced with access ramp and steps, improvements and repairs to upgrade building services and fire detection.

As published by the council, reference 26/00196/LBC

Application record

Reference
26/00196/LBC
Type
Listed Building Consent
Status
Awaiting decision
Received
17 Feb 2026
Validated
19 Feb 2026
Ward
Eastney & Craneswater
Decision by
Delegated
Postcode
PO4 9LD

Site history

Applications at this address on the Portsmouth register

This site has had 3 applications since 2026.

  • 26/00321/FUL Awaiting decision

    Fort Cumberland Fort Cumberland Road Southsea PO4 9LD

    Replacement gates and associated works

    Submitted 16 Mar 2026 Full applications
  • 26/00201/FUL Awaiting decision

    Fort Cumberland Fort Cumberland Road Southsea PO4 9LD

    External alterations to skeleton preparation laboratory building including enlargement of external door on the west elevation and creation of a new doorway using an existing window position on the east elevation for emergency escape and ventilation. existing damaged slab to be removed and replaced with access ramp and steps, improvements and repairs to upgrade building services and fire detection.

    Submitted 19 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 17 Feb 2026

    Received by Portsmouth

  2. 19 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 16 April 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.

Documents

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

22 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.

Open the documents

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 heritage and listed building applications in a median of 69 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Fort Cumberland Fort Cumberland Road Southsea PO4 9LD

    26/00201/FUL Submitted 19 Feb 2026 0m away

    83% historically approved · decision due ~16 Apr

    External alterations to skeleton preparation laboratory building including enlargement of external door on the west elevation and creation of a new doorway using an existing window position on the east elevation for emergency escape and ventilation. existing damaged slab to be removed and replaced with access ramp and steps, improvements and repairs to upgrade building services and fire detection.

    Awaiting decision Full applications Windows or glazing 17 docs

  • Fort Cumberland Fort Cumberland Road Southsea PO4 9LD

    26/00321/FUL Submitted 16 Mar 2026 326m away

    83% historically approved · decision due ~11 May

    Replacement gates and associated works

    Awaiting decision Full applications 11 docs

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    26 Feb 2026 Heritage and listed buildings
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    13 Apr 2026 Heritage and listed buildings
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    3 Nov 2025 Heritage and listed buildings
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    6 Nov 2025 Heritage and listed buildings