About the Didcot Old Conservation Area
The Didcot Old Conservation Area covers about 9.3 hectares and was designated by South Oxfordshire District Council in 1979. Inside the boundary are 13 listed buildings (1 Grade II*, 12 Grade II). The most significant is Church of All Saints, 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.
- Church of All SaintsGrade II*
- 125, Lydalls RoadGrade II
- 29 and 31, Manor RoadGrade II
- Blagrave FarmhouseGrade II
- Church Rooms Rectory CottagesGrade II
- Cross Approximately 4 Metres South of Church of All SaintsGrade II
- Group of 4 Headstones and One Coffin Slab 1 Metre South and East of South Aisle of Church of All SaintsGrade II
- Manor CottageGrade II
- Manor RoadGrade II
- Smiths Farmhouse and Attached WallsGrade II
- The NookGrade II
- Thorney Downe Cottage Thorney Downe HouseGrade II
- White CottageGrade 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 South Oxfordshire District Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.