Pulborough Brooks is a 160-hectare (400-acre) biological Site of Special Scientific Interest south of Pulborough in West Sussex. It is part of the Pulborough Brooks nature reserve, which is managed by the Royal Society for the Protection of Birds. It is also part of the Arun Valley Ramsar site, Special Area of Conservation and Special Protection Area.
Chanctonbury Hill is an 82.7-hectare (204-acre) biological Site of Special Scientific Interest west of Steyning in West Sussex. Part of it is Chanctonbury Ring, an early Iron Age hillfort which contains two Romano-Celtic temples and which is a Scheduled Monument.
Pevensey Levels is a 3,603.2-hectare (8,904-acre) biological Site of Special Scientific Interest between Bexhill-on-Sea and Hailsham in East Sussex. It is a Nature Conservation Review site, Grade I, a Ramsar site and a Special Area of Conservation. An area of 183.5 hectares is a national nature reserve and an area of 150 hectares is a nature reserve called Pevensey Marshes which is managed by the Sussex Wildlife Trust.
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.
Brampton Meadow is a one hectare biological Site of Special Scientific Interest north-west of Brampton in Cambridgeshire, England.
Hemingfold Meadow is a 4.9-hectare (12-acre) biological Site of Special Scientific Interest west of Battle in East Sussex.
Paines Cross Meadow is a 3.7-hectare (9.1-acre) biological Site of Special Scientific Interest north-east of Heathfield in East Sussex.
Sapperton Meadows is a 14.7-hectare (36-acre) biological Site of Special Scientific Interest south of Heathfield in East Sussex.
Burgh Hill Farm Meadow is a 0.9-hectare (2.2-acre) biological Site of Special Scientific Interest west of Hailsham in East Sussex.
Combe Haven is a 153-hectare (380-acre) biological Site of Special Scientific Interest between Hastings and Bexhill-on-Sea in East Sussex. An area of 18.5 acres is Filsham Reedbed Local Nature Reserve, which is managed by the Sussex Wildlife Trust
St Dunstan's Farm Meadows is a 10.2-hectare (25-acre) biological Site of Special Scientific Interest south-east of Heathfield in East Sussex. It is in the High Weald Area of Outstanding Natural Beauty.
West Wood is a 23.6 hectares biological Site of Special Scientific Interest in Little Sampford, north of Thaxted in northwestern Essex. It is owned and managed by the Essex Wildlife Trust.
Calender Meadows is a 3.1 hectare biological Site of Special Scientific Interest north of Guilsborough in Northamptonshire.
Pakenham Meadows is a 5.8 hectare biological Site of Special Scientific Interest north of Pakenham in Suffolk.
Marden Meadows is a 3.7-hectare (9.1-acre) biological Site of Special Scientific Interest east of Marden in Kent. Part of the site is in the 5.6-hectare (14-acre) Marden Meadow nature reserve, which is owned and managed by Kent Wildlife Trust.
Norley Copse and Meadow is a 7.5-hectare (19-acre) biological Site of Special Scientific Interest east of Lymington in Hampshire. It is part of New Forest Ramsar site and Special Protection Area.
Warblington Meadow is a 3.9-hectare (9.6-acre) biological Site of Special Scientific Interest west of Emsworth in Hampshire.
