Chimney Meadows is a 49.6-hectare (123-acre) biological Site of Special Scientific Interest between Abingdon-on-Thames and Faringdon in Oxfordshire. It is also a national nature reserve, and part of the 308-hectare (760-acre) Chimney Meadows nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire 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.
Southorpe Meadow is a 2 hectares biological Site of Special Scientific Interest in Southorpe in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
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 (47-acre) 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.
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.
Buttlers Hangings is a 3.9-hectare (9.6-acre) Site of Special Scientific Interest north of West Wycombe in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty.
Kingcup Meadows and Oldhouse Wood is a 13.2-hectare (33-acre) biological Site of Special Scientific Interest south of Denham in Buckinghamshire.
Old Rectory Meadows is a 7.9-hectare (20-acre) Site of Special Scientific Interest in Denham in Buckinghamshire.
Poker's Pond Meadow is a 1.9-hectare (4.7-acre) biological Site of Special Scientific Interest south of Stoke Hammond in Buckinghamshire.
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.
Mill Meadows, Billericay is a 6.7-hectare (17-acre) biological Site of Special Scientific Interest (SSSI) in Billericay in Essex, England. It is part of the 36.8 hectare Mill Meadows Local Nature Reserve (LNR), which is owned and managed by Basildon District Council.
Little Catworth Meadow is a 5.2-hectare (13-acre) biological Site of Special Scientific Interest between Catworth and Spaldwick in Cambridgeshire.
Iffley Meadows is a 36.1-hectare (89-acre) biological Site of Special Scientific Interest in Oxford in Oxfordshire. It is owned by Oxford City Council and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust
Bentley Station Meadow is a 5.2-hectare (13-acre) biological Site of Special Scientific Interest south of Bentley in Hampshire.
Bould Wood is a 58.2-hectare (144-acre) biological Site of Special Scientific Interest north of Shipton-under-Wychwood in Oxfordshire. An area of 23 hectares is Foxholes nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
