Blackwater Valley is a 33.9-hectare (84-acre) biological Site of Special Scientific Interest between Sandhurst in Berkshire and Blackwater in Hampshire.
Dumsey Meadow is a 9.6-hectare (24-acre) biological Site of Special Scientific Interest in Chertsey in Surrey.
Langham Pond is a 26.7-hectare (66-acre) biological Site of Special Scientific Interest north of Egham in Surrey.
Moor Park is a 6.7-hectare (17-acre) biological Site of Special Scientific Interest east of Farnham in Surrey.
Reigate Heath is a 61.7-hectare (152-acre) biological Site of Special Scientific Interest west of Reigate in Surrey. An area of 51.6 hectares is also a Local Nature Reserve. Seven bowl barrows dating to the Bronze Age are designated Scheduled Monuments.
Seale Chalk Pit is a 1.2-hectare (3.0-acre) geological Site of Special Scientific Interest west of Guildford in Surrey. It is a Geological Conservation Review site and part of the Seale Chalk Pit and Meadow 3-hectare (7.4-acre) private nature reserve, which is managed by the Surrey Wildlife Trust.
Thorpe Hay Meadow is a 6.4-hectare (16-acre) biological Site of Special Scientific Interest west of Staines-upon-Thames in Surrey. It is owned and managed by the Surrey Wildlife Trust.
Sulham and Tidmarsh Woods and Meadows is a 75.7-hectare (187-acre) biological Site of Special Scientific Interest west of Reading in Berkshire.
Loughborough Meadows is a 60.5 hectares biological Site of Special Scientific Interest on the northern outskirts of Loughborough in Leicestershire, England. An area of 35.3 hectares is managed as a nature reserve by the Leicestershire and Rutland Wildlife Trust.
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.
Roding Valley Meadows is an 18.9 hectare biological Site of Special Scientific Interest in Buckhurst Hill in Essex. It is part of a 65.2 hectare Local Nature Reserve with the same name, which is owned by Epping Forest District Council and Grange Farm Trust, and managed by the Essex Wildlife Trust.
Holly Farm Meadow, Wendling is a 2.6-hectare (6.4-acre) biological Site of Special Scientific Interest west of Dereham in Norfolk.
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.
Thursley, Hankley and Frensham Commons is a 1,878.5-hectare (4,642-acre) biological Site of Special Scientific Interest west of Godalming in Surrey. Thursley and Hankley Commons are Nature Conservation Review sites, Grade I. An area of 115.1 hectares is a local nature reserve called The Flashes and an area of 180 hectares is the Elstead Group of Commons, a nature reserve managed by the Surrey Wildlife Trust. Thursley Common is a national nature reserve. An area of 265.7 hectares is the Thursley & Ockley Bogs Ramsar site. The site is a Special Protection Area and part of the Thursley, Ash, Pirbright & Chobham Special Area of Conservation.
Thundry Meadows is a 16-hectare (40-acre) nature reserve in Elstead in Surrey. It is managed by the Surrey Wildlife Trust. Part of it is Charleshill Site of Special Scientific Interest.
Charleshill SSSI is a 10.1-hectare (25-acre) biological Site of Special Scientific Interest west of Elstead in Surrey. It is part of Thundry Meadows nature reserve, which is owned and managed by the Surrey Wildlife Trust
Ashford Hill Woods and Meadows is a 141.5-hectare (350-acre) biological Site of Special Scientific Interest near Ashford Hill in Hampshire. An area of 23.45 hectares is Ashford Hill NNR, which is a National Nature Reserve.
