About the Stanmer Conservation Area
The Stanmer Conservation Area covers about 127 hectares and was designated by South Downs National Park in 1970. Inside the boundary are 18 listed buildings (1 Grade I, 1 Grade II*, 16 Grade II). The most significant is Stanmer House, Grade I.
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 Stanmer 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.
- Stanmer HouseGrade I
- The Former Stables of Stanmer HouseGrade II*
- 1 and 2, Stanmer ParkGrade II
- 13-16, Stanmer ParkGrade II
- 3-6, Stanmer ParkGrade II
- 7-10, Stanmer ParkGrade II
- Frankland MonumentGrade II
- Garden Walls to the Home FarmhouseGrade II
- Gate Piers and Gate to Stanmer ChurchGrade II
- Lower LodgeGrade II
- Lower LodgeGrade II
- Stanmer ChurchGrade II
- Store ShedGrade II
- The BarnGrade II
- The Home FarmhouseGrade II
- Wall to the South and West of Stables at Stanmer HouseGrade II
- Wellhouse Between Stanmer House and the StablesGrade II
- Wellhouse in the ChurchyardGrade II
Nearby conservation areas
Boundary and listed buildings from South Downs National Park and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.