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Planning application

26/00034/LBC

Portsmouth Grammer School High Street Portsmouth PO1 2LN

Awaiting decision Portsmouth Listed Building Consent

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 26/00034/LBC

Timeline

Dates from the published record

  1. 14 Jan 2026

    Received by Portsmouth

  2. 21 Jan 2026

    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 heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • 26/00033/FUL 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

    14 Jan 2026 0m away Full applications
  • 26/00316/LBC 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.

    16 Mar 2026 85m away Heritage and listed buildings
  • 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.

    16 Mar 2026 85m away Householder
  • 25/01066/LBC Decided

    15 Peacock Lane Portsmouth PO1 2PA

    Internal works to increase size of opening between kitchen and dining room by removing part of wall

    11 Sep 2025 125m away Heritage and listed buildings
  • 25/01403/FUL Decided

    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

    2 Dec 2025 173m away Full applications
  • 26/00313/FUL Awaiting decision

    Portsmouth Grammar School Cambridge Road Portsmouth

    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

    16 Mar 2026 174m away Full applications

In Portsmouth

  • 26/00228/LBC Granted

    West Chapel Kingston Cemetery St Marys Road Portsmouth

    Repairs to disused chapel, including roof slating, artificial lead flashing detailing, flat roofing, reconstruction of unstable flint and brick walls, replacement of defective timbers to roof and floor construction, replacement rainwater goods, repointing, stone repair and replacement, decorations, render, repairs and protection to parquet floor, replacement glass and lead light repairs, replacement window mesh, replacement defective ironmongery, replacement internal door, repairs to existing doors, and sundry other repairs.

    26 Feb 2026 Heritage and listed buildings
  • 26/00476/LBC Awaiting decision

    116 - 118 Commercial Road Portsmouth PO1 1EP

    Replacement of principal entrance door

    14 Apr 2026 Heritage and listed buildings
  • 26/00461/LBC Awaiting decision

    36 Kent Road Southsea PO5 3ES

    The proposal is to remove a dated PVC 1960s extension (circa. 8m2) to the rear of a Grade II listed Victorian building and replace with a timber verandah and door set, creating balcony space and improving the aesthetic from the rear of the property.

    13 Apr 2026 Heritage and listed buildings
  • 25/01272/LBC Refused

    Great Salterns Mansion Eastern Road Portsmouth PO3 6QB

    External alterations including construction of panel sign

    3 Nov 2025 Heritage and listed buildings
  • 25/01306/LBC Granted

    Admiralty House Hm Dockyard Queen Street Portsmouth PO1 3PZ

    Repairs to stone balustrade

    6 Nov 2025 Heritage and listed buildings