About the Portsea Conservation Area
The Portsea Conservation Area covers about 3.9 hectares and was designated by Portsmouth City Council in 1981. Inside the boundary are 12 listed buildings (1 Grade II*, 11 Grade II). The most significant is The Beneficial School, Grade II*.
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 Portsea 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.
- The Beneficial SchoolGrade II*
- 44, Queen StreetGrade II
- 45,45a and 45b, Queen StreetGrade II
- 46,46a,46b and 46c, Queen StreetGrade II
- 57,58 and 59, Queen StreetGrade II
- 60, Queen StreetGrade II
- 61 and 62, Queen StreetGrade II
- 63, Queen StreetGrade II
- George Public HouseGrade II
- Mitre Court HouseGrade II
- The WarehouseGrade II
- TreadgoldsGrade II
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.