Frays Farm Meadows is a 28.2-hectare (70-acre) biological Site of Special Scientific Interest near Denham in the London Borough of Hillingdon. It was notified as an SSSI in 1981, and has been managed by the London Wildlife Trust on behalf of Hillingdon Council since 1999. It is part of the Colne Valley Regional Park.
Frogmore Meadows is a 4.6-hectare (11-acre) biological Site of Special Scientific Interest in Hertfordshire and Buckinghamshire, north of the village of Chenies. It consists of two meadows in the Chilterns Area of Outstanding Natural Beauty, next to the River Chess, one of which is a Hertfordshire and Middlesex Wildlife Trust nature reserve. The planning authorities are Three Rivers District Council, Dacorum Borough Council and Chiltern District Council.
Tewinbury is a 7.5-hectare (19-acre) biological Site of Special Scientific Interest near Tewin in Hertfordshire. The local planning authority is East Hertfordshire District Council, and the site is managed by the Herts and Middlesex Wildlife Trust
Old Rectory Meadows is a 7.9-hectare (20-acre) Site of Special Scientific Interest in Denham in Buckinghamshire.
Long Herdon Meadow is a 4.5-hectare (11-acre) biological Site of Special Scientific Interest south of Marsh Gibbon in Buckinghamshire. It is part of Upper Ray Meadows nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Temple Island Meadows is a 14.1-hectare (35-acre) biological Site of Special Scientific Interest on the Buckinghamshire bank of the River Thames. It is north of Henley-on-Thames and opposite Temple Island, an island in the Thames.
Lockington Marshes is an 11.3-hectare (28-acre) biological Site of Special Scientific Interest north of Ratcliffe on Soar in Leicestershire.
Rushy Meadows is an 8.9-hectare (22-acre) biological Site of Special Scientific Interest on the western outskirts of Kidlington in Oxfordshire.
Hook Meadow and The Trap Grounds is a 11.9-hectare (29-acre) biological Site of Special Scientific Interest on the northern outskirts of Oxford in Oxfordshire.
Bransbury Common is a 158.6-hectare (392-acre) biological Site of Special Scientific Interest south-east of Andover in Hampshire. It is a Nature Conservation Review site, Grade I.
Chilbolton Common is a 35.5-hectare (88-acre) biological Site of Special Scientific Interest in Chilbolton in Hampshire.
Foxlease and Ancells Meadows is a 68.8-hectare (170-acre) biological Site of Special Scientific Interest on the western outskirts of Farnborough in Hampshire.The site is in seven areas, two of which are nature reserves managed by the Hampshire and Isle of Wight Wildlife Trust, Ancells Farm and Whitehouse Meadow.
Moorgreen Meadows is a 14.3-hectare (35-acre) biological Site of Special Scientific Interest in Southampton in Hampshire.
Ratlake Meadows is a 4.2-hectare (10-acre) biological Site of Special Scientific Interest north of Chandler's Ford in Hampshire.
Stockbridge Common Marsh is a 64.8-hectare (160-acre) biological Site of Special Scientific Interest south of Stockbridge in Hampshire. It is owned by the National Trust.
Warblington Meadow is a 3.9-hectare (9.6-acre) biological Site of Special Scientific Interest west of Emsworth in Hampshire.
Hockley Meadows is a 9-hectare (22-acre) nature reserve south of Winchester in Hampshire. It is managed by the Hampshire and Isle of Wight Wildlife Trust. It is part of the River Itchen SSSI and Special Area of Conservation.
