Ducan's Marsh is a 3.6-hectare (8.9-acre) biological Site of Special Scientific Interest north-east of Loddon in Norfolk. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Woodwalton Marsh is a 0.8-hectare (2.0-acre) biological Site of Special Scientific Interest north-east of Woodwalton in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Cornard Mere is an 8.5-hectare (21-acre) biological Site of Special Scientific Interest in Little Cornard in Suffolk. It is managed by the Suffolk Wildlife Trust.
Sizewell Marshes form a 260-acre biological Site of Special Scientific Interest adjacent to Sizewell in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is part of a 356-acre (144-ha) nature reserve managed by the Suffolk Wildlife Trust as Sizewell Belts.
Bassenhally Pit is an 8.6-hectare (21-acre) biological Site of Special Scientific Interest north-east of Whittlesey in Cambridgeshire.
Wadenhoe Marsh and Achurch Meadow is a 47.5-hectare (117-acre) biological Site of Special Scientific Interest south of Wadenhoe in Northamptonshire.
High Wood and Meadow is a 16.5-hectare (41-acre) biological Site of Special Scientific Interest between Farthingstone and Preston Capes in Northamptonshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Syresham Marshy Meadows is a 17.8-hectare (44-acre) biological Site of Special Scientific Interest west of Silverstone in Northamptonshire.
Southfield Farm Marsh is an 8.6-hectare (21-acre) biological Site of Special Scientific Interest in Kettering in Northamptonshire. An area of 2.8 hectares is managed as a nature reserve by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Lakenheath Poor's Fen is a 5.2-hectare biological Site of Special Scientific Interest west of Lakenheath in Suffolk.
Bugg's Hole Fen is a 3.7-hectare (9.1-acre) biological Site of Special Scientific Interest north-west of Thelnetham in Suffolk.
Pakenham Meadows is a 5.8-hectare (14-acre) biological Site of Special Scientific Interest north of Pakenham in Suffolk.
Harby Hill Wood is a 16.9-hectare (42-acre) biological Site of Special Scientific Interest west of Eastwell in Leicestershire.
Chater Valley is a 3.8-hectare (9.4-acre) biological Site of Special Scientific Interest north of Loddington in Leicestershire.
Shacklewell Hollow is a 3.2 hectares biological Site of Special Scientific Interest east of Empingham in Rutland, and beside the A606 road.
Cave's Inn Pits is a 5.8-hectare (14-acre) biological Site of Special Scientific Interest south-west of Shawell in Leicestershire.
Frisby Marsh is a 10.2-hectare (25-acre) biological Site of Special Scientific Interest east of Frisby on the Wreake in Leicestershire.
Holwell Mouth is a 14.5-hectare (36-acre) biological Site of Special Scientific Interest south-east of Nether Broughton in Leicestershire. It is common land.
Lount Meadows is a 8.5 hectares biological Site of Special Scientific Interest south of Lount in Leicestershire, England.
Ulverscroft Valley is a 110.8 hectares biological Site of Special Scientific Interest north-west of Markfield in Leicestershire. The site is in five separate blocks, and two areas are nature reserves managed by the Leicestershire and Rutland Wildlife Trust (LRWT). Lea Meadows is owned by the LRWT and it is also a scheduled monument. Part of Ulverscroft Nature Reserve is owned by the LRWT and part is owned by the National Trust and leased to the LRWT.
