About the Thornford Conservation Area
The Thornford Conservation Area covers about 9.5 hectares and was designated by Dorset Council in 1994. Inside the boundary are 20 listed buildings (1 Grade II*, 19 Grade II). The most significant is Parish Church of St Mary Magdalene, 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.
- 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.
- Parish Church of St Mary MagdaleneGrade II*
- 409, Pound RoadGrade II
- 421,422 and 423, Church RoadGrade II
- 425, Church RoadGrade II
- 435, Longford RoadGrade II
- 436 and 437, Longford RoadGrade II
- 438 and 439, Longford RoadGrade II
- Coffee TavernGrade II
- Cross HouseGrade II
- Glebe CottageGrade II
- Green Hill Dairy House With Attached Front Walls and RailingsGrade II
- Greenhill FarmhouseGrade II
- Higher FarmhouseGrade II
- Pyt House and Attached Front WallsGrade II
- Telephone BoxGrade II
- The CottageGrade II
- The Grey CottageGrade II
- The Stores (ellwood and Son)Grade II
- Three Unidentified Monuments South of Church of St Mary MagdaleneGrade II
- Waverlawns and Attached Outbuildings to SouthGrade II
Streets in the conservation area
Streets with listed buildings inside the boundary. Boundaries often split a street — check your exact address.
Nearby conservation areas
Boundary and listed buildings from Dorset Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.