Thompson Water, Carr and Common is a 154.7-hectare (382-acre) biological Site of Special Scientific Interest north of Thetford in Norfolk. Most of it is managed by the Norfolk Wildlife Trust as Thompson Common. It is a Nature Conservation Review site, Grade I, and part of the Norfolk Valley Fens Special Area of Conservation. It is crossed by the Great Eastern Pingo Trail Local Nature Reserve.
Buxton Heath is a 67.3-hectare (166-acre) biological Site of Special Scientific Interest north of Norwich in Norfolk. It is a Nature Conservation Review site, Grade 2, and part of the North Valley Fens Special Area of Conservation.
Leiston - Aldeburgh is a 534.8-hectare (1,322-acre) biological Site of Special Scientific Interest which stretches from Aldeburgh to Leiston in Suffolk. Part of it is The Haven, Aldeburgh Local Nature Reserve, and another area is the North Warren RSPB nature reserve. There is also a prehistoric bowl barrow on Aldringham Common, which is a Scheduled Monument. The site is in the Sandlings Special Protection Area under the European Union Directive on the Conservation of Wild Birds, and the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Lakenheath Poor's Fen is a 5.2-hectare biological Site of Special Scientific Interest west of Lakenheath in Suffolk.
Leziate, Sugar and Derby Fens is an 87.9-hectare (217-acre) biological Site of Special Scientific Interest east of King's Lynn in Norfolk.
Ant Broads and Marshes is a 745.3-hectare (1,842-acre) biological Site of Special Scientific Interest north-east of Norwich in Norfolk. Most of it is a Nature Conservation Review site, Grade 1, and it is part of the Broadland Ramsar and Special Protection Area, and The Broads Special Area of Conservation. Part of it is the Barton Broad nature reserve, which is managed by the Norfolk Wildlife Trust, and two areas are National Nature Reserves.
Booton Common'' is an 8.2-hectare (20-acre) biological Site of Special Scientific Interest north-west of Norwich in Norfolk. It is managed by the Norfolk Wildlife Trust and is a Special Area of Conservation
Broad Fen, Dilham is a 38.4-hectare (95-acre) biological Site of Special Scientific Interest north-east of Norwich in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area and The Broads Special Area of Conservation.
East Harling Common is a 15.1-hectare (37-acre) biological Site of Special Scientific Interest east of Thetford in Norfolk.
East Walton and Adcock's Common is a 62.4-hectare (154-acre) biological and geological Site of Special Scientific Interest south-east of King's Lynn in Norfolk. It is a Geological Conservation Review site and part of Norfolk Valley Fens Special Area of Conservation
Foulden Common is a 139-hectare (340-acre) biological Site of Special Scientific Interest east of Downham Market in Norfolk. It is a Nature Conservation Review site, Grade 2, and part of the Norfolk Valley Fens Special Area of Conservation.
Potter and Scarning Fens, East Dereham is a 6.2-hectare (15-acre) biological Site of Special Scientific Interest south of Dereham in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation. Scarning Fen is a Nature Conservation Review site, Grade I, and it is managed by the Norfolk Wildlife Trust.
Scoulton Mere is a 34.2-hectare (85-acre) biological Site of Special Scientific Interest west of Wymondham in Norfolk.
Southrepps Common is a 5.6-hectare (14-acre) biological Site of Special Scientific Interest north of North Walsham in Norfolk. A larger area of 12.9-hectare (32-acre) is a Local Nature Reserve. It is owned by Southrepps Parish Council and managed by Southrepps Common Group. It is part of the Norfolk Valley Fens Special Area of Conservation.
Crostwick Marsh is an 11.6-hectare (29-acre) biological Site of Special Scientific Interest in Crostwick, north of Norwich in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Middle Harling Fen is a 11.8-hectare (29-acre) biological Site of Special Scientific Interest south of East Harling in Norfolk.
Swangey Fen, Attleborough is a 48.4-hectare (120-acre) biological Site of Special Scientific Interest south-west of Attleborough in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
Badley Moor is an 18.3-hectare (45-acre) biological Site of Special Scientific Interest east of Dereham in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
Holly Farm Meadow, Wendling is a 2.6-hectare (6.4-acre) biological Site of Special Scientific Interest west of Dereham in Norfolk, England.
Great Cressingham Fen is a 14.3-hectare (35-acre) biological Site of Special Scientific Interest near Great Cressingham in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
