Lansdowne House 26 Hampshire Terrace Portsmouth PO1 2QF
Approved on 18 February 2026
Council decision: ApproveDelegated (officer decision)
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Application for prior approval (Schedule 2, Part 3, Class MA) for change of useof existing ground floor office to form residential dwelling
- Received
- 11 December 2025
- Decision level
- Delegated (officer decision)
- Public comments
- 1
- Council
- Portsmouth City Council
- Ward
- St Thomas
- Agent
- PLC Architects
- ReceivedReceived11 Dec
- ValidatedValidated11 Dec
- Consult.Consultation14 Jan
- TargetTarget Date5 Feb
- DecidedDecided18 Feb
Decided in 69 days
About this application
This is a planning application at Lansdowne House 26 Hampshire Terrace Portsmouth PO1 2QF. Portsmouth has handled 1,334 applications of this type. This one was decided in 69 days, 13 days longer than Portsmouth's typical decision time. The site is in the TheTerraces conservation area, with 4 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 28 applications across St Thomas. We hold 195 applications in total for the PO1 postcode area.
Application details
- Postcode
- PO1 2QF
- Application type
- Commercial Prior Approvals
- Scale / size
- Small
Planning application dates
- Date validated
- 11 December 2025
- Consultation expiry
- 14 January 2026
- Consultation start
- 17 December 2025
- Neighbour consultation start
- 17 December 2025
- Neighbour consultation end
- 14 January 2026
- Last date for comments
- 14 January 2026
- Target decision date
- 5 February 2026
- Permission expires
- 18 February 2031
Applicant and agent
- Agent
- PLC Architects
- Agent address
- Lansdowne House 25-26 Hampshire Terrace Portsmouth PO1 2QF
Planning decision
- Statutory period
- 56 days
Additional information
- Planning Portal ID
- PP-14557502
- Documents
- 6
- Constraints
- 3
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: TheTerraces
- Nutrient neutrality catchment: Solent: Includes Chichester and Langstone Harbours SPA/Ramsar, Solent and Southampton Wat…Applies to new homes and overnight accommodation
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions, tree preservation orders and brownfield registers. Ask the council if these matter.
Also checked, none recorded (18)
flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves and heritage coasts.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Source: Portsmouth
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