Whittlewood Forest is a former medieval hunting forest east of Silverstone in Northamptonshire in England. It is managed by the Forestry England. There are tracts of ancient woodland within it and old ditches can be found at the edges of several individual woods. The area has been the subject of extensive academic historical research. An area of 400 hectares in seven different patches has been designated a biological Site of Special Scientific Interest (SSSI), which is about half the size of an average English parish. It is a Nature Conservation Review site, Grade 2.
Glover's Wood is a 74.5-hectare (184-acre) biological Site of Special Scientific Interest east of Charlwood in Surrey. It is a Nature Conservation Review site, Grade 2.
Holme Fen is a 269.4-hectare (666-acre) biological Site of Special Scientific Interest near Holme in Cambridgeshire. It is also a National Nature Reserve and a Nature Conservation Review site, Grade I. It is part of the Great Fen project, which aims to create a 3,700 wetland wildlife area including Holme Fen, Woodwalton Fen and other areas. It is home to a variety of birds, including the Eurasian siskin, Nightingale and Lesser redpoll, and around 450 species of fungi.
Upwood Meadows is a 6 hectare biological Site of Special Scientific Interest west of Upwood in Cambridgeshire. It is also a National Nature Reserve and a Grade I Nature Conservation Review site. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Overhall Grove is a 17.4-hectare (43-acre) biological Site of Special Scientific Interest to the east of Knapwell in Cambridgeshire. It is a Nature Conservation Review site, Grade II, and it is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Woodwalton Fen is a 209 hectare biological Site of Special Scientific Interest in the parish of Woodwalton, west of Ramsey in Huntingdonshire, Cambridgeshire, England. It is a Ramsar wetland site of international importance, a National Nature Reserve, a Special Area of Conservation and a Nature Conservation Review site, Grade I. The site is managed by Natural England.
Hales and Shadwell Woods is a 15.4-hectare (38-acre) biological Site of Special Scientific Interest north-east of Saffron Walden in Essex. Shadwell Wood has an area of 7.1 hectares and it is managed by the Essex Wildlife Trust. Hales Wood is a National Nature Reserve, and it is listed in the Nature Conservation Review.
Ely Pits and Meadows is an 85.8-hectare (212-acre) Site of Special Scientific Interest (SSSI) on the eastern outskirts of Ely in Cambridgeshire. It is the only SSSI in the county which is designated both for its biological and geological interest. It is also a Geological Conservation Review site, and an area of 8 hectares is the Roswell Pits nature reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Eversden and Wimpole Woods is a 67.1-hectare (166-acre) biological Site of Special Scientific Interest between Kingston and Orwell in Cambridgeshire. The site has been designated a Special Area of Conservation for its barbastelle bats.
Collyweston Great Wood and Easton Hornstocks is a 151.5-hectare (374-acre) biological Site of Special Scientific Interest north of King's Cliffe in Northamptonshire. The site is a National Nature Reserve and a Nature Conservation Review site, Grade I. The site is 14 kilometres (8.7 mi) west of Peterborough and the nearest villages are Collyweston, which is 1 kilometre (0.62 mi) north west of the site, and Duddington which is a similar distance to the west.
Old Sulehay Forest is a 34.8-hectare (86-acre) biological Site of Special Scientific Interest east of King's Cliffe in Northamptonshire. It is part of the 85-hectare (210-acre) Old Sulehay nature reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Cavenham–Icklingham Heaths is a 419 hectare biological Site of Special Scientific Interest west of Icklingham in Suffolk. It is a Nature Conservation Review site, Grade I, and part of Breckland Special Area of Conservation and Breckland Special Protection Area under the European Union Directive on the Conservation of Wild Birds. Cavenham Heath is a 203.1 hectare National Nature Reserve.
Staverton Park and The Thicks, Wantisden is an 80.8-hectare (200-acre) biological Site of Special Scientific Interest west of Butley in Suffolk. It is a Nature Conservation Review site, Grade I, and a Special Area of Conservation. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Cribb's Meadow is a 4.2-hectare (10-acre) nature reserve east of Wymondham in Leicestershire. It is owned and managed by the Leicestershire and Rutland Wildlife Trust, and is designated a biological Site of Special Scientific Interest under the name Cribb's Lodge Meadows. It is also a National Nature Reserve and a Nature Conservation Review site, Grade 2.
Leighfield Forest SSSI is an 11.3 hectares biological Site of Special Scientific Interest east of Skeffington in Leicestershire, England. It consists of several fragments, including Tugby Wood, Loddington Reddish, Brown's Wood, Skeffington Wood and Tilton Wood, of the former medieval hunting Leighfield Forest, which straddles Leicestershire and Rutland. It is a Nature Conservation Review site, Grade II.
Church Woods, Blean is a 526.7-hectare (1,302-acre) biological Site of Special Scientific Interest north-west of Canterbury in Kent. It is a Nature Conservation Review site, Grade I, a National Nature Reserve, a Special Area of Conservation and part of it is a Royal Society for the Protection of Birds nature reserve.
Ellenden Wood is a 90.6-hectare (224-acre) biological Site of Special Scientific Interest south of Whitstable in Kent. It is a Nature Conservation Review site, Grade 2. and a Special Area of Conservation
Tower Hill to Cockham Wood is a 47.8-hectare (118-acre) biological and geological Site of Special Scientific Interest on the northern outskirts of Rochester in Kent. It contains two Geological Conservation Review sites.
Swanton Novers Woods is an 83-hectare (210-acre) biological Site of Special Scientific Interest east of Fakenham in Norfolk. The site is composed of Swanton Great Wood, Little Wood, Barney Wood and Guybon's Wood. It is a Nature Conservation Review site, Grade I. Swanton Great Wood and Little Wood are designated Swanton Novers National Nature Reserve
Ambersham Common is a 141.6-hectare (350-acre) biological Site of Special Scientific Interest south-east of Midhurst in West Sussex. It is a Nature Conservation Review site, Grade 2.
