About the Old Portsmouth Conservation Area
The Old Portsmouth Conservation Area covers about 42 hectares and was designated by Portsmouth City Council in 1969. Inside the boundary are 93 listed buildings (5 Grade I, 4 Grade II*, 84 Grade II). The most significant is 18 Gun Battery and Flanking Battery, Kings Stairs, Sallyport, Pointbarracks, Grade I. Part of the area lies in flood zone 3, so an extension may need a flood risk assessment.
What changes inside the conservation area
Conservation areas are “Article 2(3) land”. You keep most permitted development rights, but these are removed or tightened.
ProjectElsewhereIn Old Portsmouth CA
- Rear extensionElsewhere: 3 m · 6 m with PANo 6 m / 8 m prior approval
- Two-storey extensionElsewhere: 3 mNeeds planning permission
- Side extensionElsewhere: Half the widthNeeds planning permission
- Loft conversionElsewhere: 50 m³Needs planning permission
- Garden roomElsewhere: 2.5 m high by boundariesNot beside the house
- PorchElsewhere: 3 m²Same limits
- Solar panelsElsewhere: 0.2 m projectionSame limits
- Air source heat pumpElsewhere: 1 unitNot facing the road
- Fences, walls and gatesElsewhere: 2 m · 1 m by a roadSame limits
- External claddingElsewhere: Matching materialsNeeds planning permission
- Tree workElsewhere: No notice6 weeks’ notice to the council
- Demolition (over 115 m³)Elsewhere: AllowedNeeds planning permission
Limits for a semi-detached house under the GPDO 2015. An Article 4 direction can remove more.
Listed buildings in the conservation area
Any work affecting these needs listed building consent, inside or out. Each links to its entry on the National Heritage List.
- 18 Gun Battery and Flanking Battery, Kings Stairs, Sallyport, PointbarracksGrade I
- Cathedral Church of St ThomasGrade I
- Landport GateGrade I
- The Round TowerGrade I
- The Square TowerGrade I
- 1, Penny StreetGrade II*
- 1,3 and 5, Lombard StreetGrade II*
- 3, Penny StreetGrade II*
- Buckingham HouseGrade II*
- 10 and 12, Broad StreetGrade II
- 10, High StreetGrade II
- 11, Bath SquareGrade II
- 127,128 AND 129, HIGH STREET (See details for further address information)Grade II
- 131, High StreetGrade II
- 132, High StreetGrade II
- 133 and 134, High StreetGrade II
- 14, Broad StreetGrade II
- 15, Lombard StreetGrade II
- 16, High StreetGrade II
- 17, Lombard StreetGrade II
- 19, Lombard StreetGrade II
- 23, Broad StreetGrade II
- 23, High StreetGrade II
- 24, High StreetGrade II
Show all 93 listed buildings ↓All 93 listed buildings
- 27, Lombard StreetGrade II
- 3, Grand ParadeGrade II
- 35, Broad StreetGrade II
- 37, Broad StreetGrade II
- 4, Grand ParadeGrade II
- 41, Broad StreetGrade II
- 44 and 45, St Thomas's StreetGrade II
- 45, Broad StreetGrade II
- 47 and 48, St Thomas's StreetGrade II
- 5, Grand ParadeGrade II
- 51 and 52, St Thomas's StreetGrade II
- 53, Broad StreetGrade II
- 53, High StreetGrade II
- 55, Broad StreetGrade II
- 59 and 60, High StreetGrade II
- 6, Grand ParadeGrade II
- 63, High StreetGrade II
- 7 and 9, Peacock LaneGrade II
- 8, French StreetGrade II
- 86 and 88, St Thomas's StreetGrade II
- Aquitane HouseGrade II
- Becket House and Peppercorn HouseGrade II
- Benedict HouseGrade II
- Bollard on North Side of Round TowerGrade II
- Bollard on South Side of Junction With Bathing LaneGrade II
- Bridge TavernGrade II
- Broad Street Post OfficeGrade II
- Camber HouseGrade II
- Carlton HouseGrade II
- City Museum and Art GalleryGrade II
- Coopers HouseGrade II
- Customs Watch House With Attached Walkway and Observation HutGrade II
- Dolphin Cottage (number 31) and Number 33Grade II
- Felton House (number 12)Grade II
- Flagship HouseGrade II
- Former Barracks to Rear of Portsmouth Grammar SchoolGrade II
- Gainsford (number 11) and Clarence House (number 13a)Grade II
- Hardy House and Numbers 61 and 62Grade II
- Indian Mutiny Perthshire Volunteers MonumentGrade II
- Iron Railings Andgates Surrounding the GreenGrade II
- Iron Railings to Former Clarence Barracks Set Between Gate PiersGrade II
- K6 Telephone Kiosk Adjoining Car Park Opposite Numbers 45 and 49 (49 Not Included)Grade II
- K6 Telephone Kiosk at Junction With Tower StreetGrade II
- K6 Telephone Kiosk Outside Number 60 High StreetGrade II
- Lord Nelson MonumentGrade II
- Lower School, Portsmouth Grammar SchoolGrade II
- Moncks BarGrade II
- Number 132 1/2 and Attached RailingsGrade II
- Outbuildings to South West of Portsmouth Grammar SchoolGrade II
- Peacock CottageGrade II
- Portsmouth Grammar School and Attached RailingsGrade II
- Portsmouth Sailing ClubGrade II
- Powderham House and Lombard HouseGrade II
- Quebec HouseGrade II
- Rockingham (number 14) and Nelson House (number 15)Grade II
- Royal Garrison ChurchGrade II
- Sallyport HotelGrade II
- Seagull RestaurantGrade II
- Spice Island InnGrade II
- Still and West Country HouseGrade II
- The BoathouseGrade II
- The Dolphin HotelGrade II
- The Fitzclarence MonumentGrade II
- The Greye HouseGrade II
- The LodgeGrade II
- The Provosts HouseGrade II
- The Royal Naval ClubGrade II
- Three Bollards at North End of Broad StreetGrade II
- Two Bollards at North Side of Junction With Bathing LaneGrade II
Streets in the conservation area
Streets with listed buildings inside the boundary. Boundaries often split a street — check your exact address.
High StreetBroad StreetLombard StreetGrand ParadeSt Thomas's StreetPenny StreetBath SquareFrench StreetPeacock Lane
Nearby conservation areas
Boundary and listed buildings from Portsmouth City Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.