Planning application
Portsmouth Grammer School High Street Portsmouth PO1 2LN
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 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
As published by the council, reference 26/00033/FUL
Application record
- Reference
- 26/00033/FUL
- Type
- Full Application
- Status
- Awaiting decision
- Received
- 14 Jan 2026
- Validated
- 21 Jan 2026
- Ward
- St Thomas
- Decision by
- Delegated
- Postcode
- PO1 2LN
Site history
Applications at this address on the Portsmouth register
This site has had 2 applications since 2026.
-
26/00034/LBC Awaiting decision
Portsmouth Grammer School High Street Portsmouth PO1 2LN
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
Timeline
Dates from the published record
-
14 Jan 2026
Received by Portsmouth
-
21 Jan 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 18 March 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
Harrington Design Architects Ltd Agent, an architecture practice registered in Chichester
Active · incorporated 2007 · Chichester
13 applications on PlanIndex · across 6 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
29 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 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.
Nearby applications
Within 500 metres
-
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 -
15 High Street Portsmouth PO1 2LP
88% 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 Heritage and listed buildings Extension Windows or glazing 6 docsSmall domestic -
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 -
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 -
Buckingham Cottage 1 Highbury Street Portsmouth PO1 2EU
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Portsmouth Grammar School Cambridge Road Portsmouth
83% historically approved · decision due ~20 May
Conversion of school (Class F1) to form 16no. residential dwellings (Class C3), including associated landscaping, refuse and cycle storage and demolition of existing ancillary rifle range/swimming pool buildings
Awaiting decision Full applications Demolition 20 docs
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