15 High Street Portsmouth PO1 2LP

This site has had 2 applications since 2026.

• 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.

  Submitted 16 Mar 2026 Heritage and listed buildings

1. 16 Mar 2026

   Received by Portsmouth

2. 25 Jul 2026

   Added to PlanIndex

3. 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.

This application is with Portsmouth for determination, against a statutory target of eight weeks. Over the last year Portsmouth decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 15 High Street Portsmouth PO1 2LP

  26/00316/LBC Submitted 16 Mar 2026 0m away

  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 docs
  Small domestic

• Portsmouth Grammer School High Street Portsmouth PO1 2LN

  26/00034/LBC Submitted 14 Jan 2026 85m away

  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

  26/00033/FUL Submitted 14 Jan 2026 85m away

  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

  25/01403/FUL Submitted 2 Dec 2025 89m away

  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 docs
  Small domestic

• 15 Peacock Lane Portsmouth PO1 2PA

  25/01066/LBC Submitted 11 Sep 2025 109m away

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

  Granted Heritage and listed buildings 5 docs

• 82 St Thomas's Street Portsmouth PO1 2EZ

  25/00923/HOU Submitted 5 Aug 2025 138m away

  Construction of front porch

  Granted Householder Extension 7 docs
  Small domestic

• 25/01493/HOU Granted

  77 Victoria Road South Southsea PO5 2BU

  Construction of single storey rear and side extension with terrace at first floor (following removal of existing extension and garage), alterations to fenestration and installation of heat pump

  19 Dec 2025 Householder
• 26/00497/HOU Awaiting decision

  46 Carmarthen Avenue Portsmouth PO6 2AQ

  Construction of two storey rear extension (following removal of existing) and enlargement of front porch

  17 Apr 2026 Householder
• 26/00095/HOU Refused

  96 Portsdown Road Portsmouth PO6 4QH

  Alterations to roof to include hip to gable buildup and construction of dormer windows to front and rear roofslopes

  29 Jan 2026 Householder
• 25/01455/HOU Granted

  77 Station Road Portsmouth PO6 1PJ

  Alterations to roof to include hip to gable buildup, and dormer window to rear roofslopes

  11 Dec 2025 Householder
• 26/00115/HOU Granted

  1 Court Mead Portsmouth PO6 2LT

  Construction of rear and side single storey extension

  2 Feb 2026 Householder