Offham Marshes, also known as The Pells and Offham Marsh, is a 39.1-hectare (97-acre) biological Site of Special Scientific Interest on the northern outskirts of Lewes in East Sussex in parish of Hamsey. It includes the Pellbrook Cut, an area to the north of it called The Pells and the marshland to the south of the Cut and east of the railway track.
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.
Old Rectory Meadows is a 7.9-hectare (20-acre) Site of Special Scientific Interest in Denham in Buckinghamshire.
Rodbed Wood is a 2.2-hectare (5.4-acre) biological Site of Special Scientific Interest in Medmenham in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty.
Castor Flood Meadows is a 41.8-hectare (103-acre) biological Site of Special Scientific Interest on the western outskirts of Peterborough in Cambridgeshire.
Papercourt Marshes is a 10-hectare (25-acre) nature reserve in the south-east of the borough of Woking in Surrey. It is managed by the Surrey Wildlife Trust. A roughly 50 hectares lake and associated surrounds, including the marshes totalling 20.0 hectares is designated a biological Site of Special Scientific Interest as Papercourt.
Rushy Meadows is an 8.9-hectare (22-acre) biological Site of Special Scientific Interest on the western outskirts of Kidlington in Oxfordshire.
Bere Mill Meadows is a 10.3-hectare (25-acre) biological Site of Special Scientific Interest east of Whitchurch in Hampshire.
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.
Coulters Dean is a 2.2-hectare (5.4-acre) biological Site of Special Scientific Interest south-east of Buriton in Hampshire. It is part of the 4-hectare (9.9-acre) Coulters Dean nature reserve, which is managed by the Hampshire and Isle of Wight Wildlife Trust.
Eling and Bury Marshes is a 112.3-hectare (277-acre) biological Site of Special Scientific Interest between Totton and Southampton in Hampshire. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation.
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.
Hythe to Calshot Marshes is a 591.8-hectare (1,462-acre) biological Site of Special Scientific Interest which stretches along the west bank of Southampton Water between Calshot and Marchwood in Hampshire. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation. Calshot Marshes is a Local Nature Reserve and Hythe Spartina Marsh is a nature reserve managed by the Hampshire and Isle of Wight Wildlife Trust.
Lincegrove and Hackett's Marshes is a 37.8-hectare (93-acre) biological Site of Special Scientific Interest on the west bank of the River Hamble between Southampton and Fareham in Hampshire. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation. Hackett's Marsh is a 20.4 hectares Local Nature Reserve.
Moorgreen Meadows is a 14.3-hectare (35-acre) biological Site of Special Scientific Interest in Southampton in Hampshire.
Titchfield Haven is a 134.5-hectare (332-acre) biological Site of Special Scientific Interest north-west of Gosport in Hampshire. Most of it is a local nature reserve and a national nature reserve. It is part of Solent and Southampton Water Ramsar site and Special Protection Area.
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.
