Planning application
15 High Street Portsmouth PO1 2LP
Works: Extension Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Remodelling of interior, removal of rear bay window to be replaced with new timber glazed doors. Adaption to existing single-storey extension with new timber glazed doors and window. Removal of existing railings to roof terrace to be replaced with new traditional style black metal railings.
As published by the council, reference 26/00316/LBC
Application record
- Reference
- 26/00316/LBC
- Type
- Listed Building Consent
- Status
- Awaiting decision
- Received
- 16 Mar 2026
- Validated
- 16 Mar 2026
- Ward
- St Thomas
- Decision by
- Delegated
- Postcode
- PO1 2LP
Site history
Applications at this address on the Portsmouth register
This site has had 2 applications since 2026.
-
26/00315/HOU Awaiting decision
15 High Street Portsmouth PO1 2LP
Remodelling of interior, removal of rear bay window to be replaced with new timber glazed doors. Adaption to existing single-storey extension with new timber glazed doors and window. Removal of existing railings to roof terrace to be replaced with new traditional style black metal railings.
Timeline
Dates from the published record
-
16 Mar 2026
Received by Portsmouth
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 11 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
Carl Architect Ltd Agent, an architecture practice registered in Southsea
Active · incorporated 2006 · Southsea
21 applications on PlanIndex · across 7 councils · 100% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
6 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 documentsWhat 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
-
15 High Street Portsmouth PO1 2LP
87% historically approved · decision due ~11 May
Remodelling of interior, removal of rear bay window to be replaced with new timber glazed doors. Adaption to existing single-storey extension with new timber glazed doors and window. Removal of existing railings to roof terrace to be replaced with new traditional style black metal railings.
Awaiting decision Householder Extension Windows or glazing 6 docsSmall domestic -
Portsmouth Grammer School High Street Portsmouth PO1 2LN
88% historically approved · decision due ~18 Mar
Internal alterations including creation of larger openings to form new common rooms and to accommodate a pre-school External alterations including Installation of railings, 3 no. external canopy structures and alterations to fenestration
Awaiting decision Heritage and listed buildings Windows or glazing 40 docs -
Portsmouth Grammer School High Street Portsmouth PO1 2LN
83% historically approved · decision due ~18 Mar
Internal alterations including creation of larger openings to form new common rooms and to accommodate a pre-school External alterations including Installation of railings, 3 no. external canopy structures and alterations to fenestration
Awaiting decision Full applications Windows or glazing 29 docs -
Buckingham Cottage 1 Highbury Street Portsmouth PO1 2EU
Conversion of existing hotel (Class C1) to single dwellinghouse (Class C3), including provision of refuse and cycle storage and alterations to the existing boundary wall to facilitate creation of off-street parking
Granted Full applications 5 docsSmall domestic -
15 Peacock Lane Portsmouth PO1 2PA
Internal works to increase size of opening between kitchen and dining room by removing part of wall
Granted Heritage and listed buildings 5 docs -
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