About the Thetford Conservation Area
The Thetford Conservation Area covers about 80 hectares and was designated by Breckland District Council in 1973. Inside the boundary are 173 listed buildings (8 Grade I, 10 Grade II*, 155 Grade II). The most significant is Abbey Farm Cottage, 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.
- 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.
- Abbey Farm CottageGrade I
- Ancient House MuseumGrade I
- Farm Building to West of Abbey Farm CottageGrade I
- Nunnery BarnGrade I
- Priory GatehouseGrade I
- Remains of Dominican Church at Thetford Grammar SchoolGrade I
- Remains of Priory of Our Lady of Thetford Including Prior's LodgingGrade I
- Remains of Priory of St SepulchreGrade I
- 3 and 4, Market PlaceGrade II*
- 3 and 5, Castle StreetGrade II*
- Bell HotelGrade II*
- Church of St CuthbertGrade II*
- Church of St Mary the LessGrade II*
- Church of St PeterGrade II*
- Fulmerston's AlmshousesGrade II*
- Nunnery Place Ruin Approximately 10 Metres South East of the NunneryGrade II*
- Roman Catholic Church of St Mary and parish hallGrade II*
- The NunneryGrade II*
- 1-9 and 9a, Magdalen StreetGrade II
- 1, 2 and 3 Nunnery CottagesGrade II
- 1, Castle StreetGrade II
- 10, Garden PlaceGrade II
- 10, Old Market StreetGrade II
- 10, Raymond StreetGrade II
Show all 173 listed buildings ↓All 173 listed buildings
- 10, White Hart StreetGrade II
- 11 and 11a, Raymond StreetGrade II
- 12 and 14, Bridge StreetGrade II
- 12-18, Grove LaneGrade II
- 12, 14 and 16, Mill LaneGrade II
- 13 and 15, Water LaneGrade II
- 14, Magdalen StreetGrade II
- 14, White Hart StreetGrade II
- 15, 17, 19 and 19a, White Hart StreetGrade II
- 16 and 20, Magdalen StreetGrade II
- 17 and 19, Magdalen StreetGrade II
- 17, Bridge StreetGrade II
- 18, White Hart StreetGrade II
- 19, Guildhall StreetGrade II
- 2, 2a and 4, Magdalen StreetGrade II
- 2, 2a, 4, 4a, 6 and 6a, White Hart StreetGrade II
- 2, 4 and 6, Earls' StreetGrade II
- 20, White Hart StreetGrade II
- 21-27, Magdalen StreetGrade II
- 22, Magdalen StreetGrade II
- 22, Miller's LaneGrade II
- 23, Old Market StreetGrade II
- 24 and 26, Magdalen StreetGrade II
- 27 and 29, Bury RoadGrade II
- 28, Bridge StreetGrade II
- 3 and 5, Old Bury RoadGrade II
- 3-17 Melford CommonGrade II
- 3-9, Ford StreetGrade II
- 3, 5 and 7, Norwich RoadGrade II
- 30, Bridge StreetGrade II
- 30, Castle StreetGrade II
- 31, Magdalen StreetGrade II
- 32, 34 and 36, Castle StreetGrade II
- 33 and 35, Magdalen StreetGrade II
- 36a and 38, Magdalen StreetGrade II
- 37 and 39, St Nicholas StreetGrade II
- 37, Bury RoadGrade II
- 38-48, Castle StreetGrade II
- 39 and 41, Magdalen StreetGrade II
- 3a, White Hart StreetGrade II
- 4, Raymond StreetGrade II
- 40 and 42, Earls' StreetGrade II
- 40, Magdalen StreetGrade II
- 41, King StreetGrade II
- 42, Magdalen StreetGrade II
- 43 and 45, Castle StreetGrade II
- 43, Earls' StreetGrade II
- 44, Earls' StreetGrade II
- 45, King StreetGrade II
- 46, Earls' StreetGrade II
- 47 and 49, King StreetGrade II
- 47, Castle StreetGrade II
- 49, Castle StreetGrade II
- 5 and 5a, White Hart StreetGrade II
- 50-60, Castle StreetGrade II
- 50-62, Bury RoadGrade II
- 50, 52 and 52a, Magdalen StreetGrade II
- 51 and 53, Old Market StreetGrade II
- 51, Castle StreetGrade II
- 51, King StreetGrade II
- 54-60, Magdalen StreetGrade II
- 57 and 59, Castle StreetGrade II
- 59-71, Bury RoadGrade II
- 6 AND 8, BRIDGE STREET (See details for further address information)Grade II
- 6-24, Nether RowGrade II
- 6, 6a-D and 8, Raymond StreetGrade II
- 6, 8 and 10, Grove LaneGrade II
- 61, Magdalen StreetGrade II
- 62 and 64, St Nicholas StreetGrade II
- 7, White Hart StreetGrade II
- 71-87, Castle StreetGrade II
- 8, White Hart StreetGrade II
- 89 and 91, Castle StreetGrade II
- 9 and 11, White Hart StreetGrade II
- 97-103, Castle StreetGrade II
- Bank HouseGrade II
- Baptist ChapelGrade II
- Bidwell Brewery BuildingGrade II
- Black Horse Public HouseGrade II
- Boscombe House and TwyfordGrade II
- Bridge House Including Attached Outbuildings at Rear and Gate PierGrade II
- Castle HouseGrade II
- Central Hotel (part)Grade II
- Central Hotel (part)Grade II
- Charles Burrell MuseumGrade II
- Cintra, Including Garden Wall and Area RailingsGrade II
- Coffin Cover Immediately North East of Chancel of Church of St Mary the LessGrade II
- District Council Offices and Attached MaltingsGrade II
- Dolphin InnGrade II
- Doorway in Garden Wall South East of Number 9Grade II
- Ford Place and Attached GrottoGrade II
- Forecourt Walls and Gates to United Reform ChurchGrade II
- Former Factory of Charles Burrell and SonsGrade II
- Former Garage Adjoining Riversdale (not Included)Grade II
- Former Mechanics InstituteGrade II
- Frickley VillaGrade II
- Garden Wall to King's HouseGrade II
- Gates and Boundary Wall at Grammar School and Attached 'kissing' GateGrade II
- Gothic HouseGrade II
- Green Dragon Public HouseGrade II
- Group of 5 Table Tombs Immediately South East of Chancel of Church of St Mary the LessGrade II
- GuildhallGrade II
- Harbord's AlmshousesGrade II
- Ivy LodgeGrade II
- King's Head InnGrade II
- King's HouseGrade II
- Kingdom HallGrade II
- Kitchen Garden Walls at Ford PlaceGrade II
- LosingaGrade II
- Melford BridgeGrade II
- Methodist ChurchGrade II
- Monument at NGR TL8754982673, 100 metres south of Friary House (Friary House not included)Grade II
- Norfolk HouseGrade II
- Number 6 Market Place and Number 1a Castle StreetGrade II
- Numbers 21 (the Gables) and 21aGrade II
- Nuns Bridge CentralGrade II
- Nuns Bridge NorthGrade II
- Nuns Bridge SouthGrade II
- Office Immediately South of Nunnery BarnGrade II
- Old Mill Public House, Rudolph's Nite Spot and Old Mill Pizza HouseGrade II
- Old Water MillGrade II
- Outbuildings in Yard of Numbers 27 and 29, King's Head InnGrade II
- Red Lion Public HouseGrade II
- School House, Thetford Grammar SchoolGrade II
- Shambles Shopping ArcadeGrade II
- Southern Gate Pier at Number 16Grade II
- Spring HouseGrade II
- St Nicholas HouseGrade II
- Table Tomb 15 Metres North of Nave of Church of St Mary the LessGrade II
- Tanner HouseGrade II
- Template HouseGrade II
- The Albion Public HouseGrade II
- The ChantryGrade II
- The LimesGrade II
- The Old CageGrade II
- The Old GaolGrade II
- The Old Rectory Guest HouseGrade II
- The Paddock Including Front Wall and StablesGrade II
- The Presbytery of the Roman Catholic Church of St MaryGrade II
- Thetford Glass WarehouseGrade II
- Thetford Grammar School Library and Attached Former StableGrade II
- Thetford War MemorialGrade II
- Thomas Paine HotelGrade II
- Town BridgeGrade II
- United Reform ChurchGrade II
- Vine HouseGrade II
- WarehouseGrade II
- Warehouse and StablesGrade II
- WhitewaysGrade 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 Breckland District Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.