Knettishall Heath is a 91.7-hectare (227-acre) biological Site of Special Scientific Interest west of Knettishall in Suffolk. A larger area of 176 hectares is the Knettishall Heath Nature Reserve, which is managed by the Suffolk Wildlife Trust.
Sandy Warren is a 16.4-hectare (41-acre) biological Site of Special Scientific Interest in Sandy in Bedfordshire. It is part of The Lodge, a nature reserve run by the Royal Society for the Protection of Birds (RSPB), and named after the RSPB headquarters called The Lodge at the same site.
Breckland in Norfolk and Suffolk is a 39,433 hectare Special Protection Area (SPA) under the European Union Directive on the Conservation of Wild Birds. The SPA partly overlaps the 7,544 hectare Breckland Special Area of Conservation. As a landscape region it is an unusual natural habitat of England. It comprises the gorse-covered sandy heath that lies mostly in the south of the county of Norfolk but also in the north of Suffolk. An area of considerable interest for its unusual flora and fauna, it lies to the east of another unusual habitat, the Fens, and to the south west of the Broads. The typical tree of this area is the Scots pine. Breckland is one of the driest areas in England.
Red Lodge is a village and civil parish situated in rural Suffolk, England, between Mildenhall and Newmarket, and very close to the A11 and A14 roads.
Hothfield Common is a 56.5-hectare (140-acre) biological Site of Special Scientific Interest north-east of Ashford in Kent. It is also a Local Nature Reserve, and is part of the 86-hectare (210-acre) Hothfield Heathlands nature reserve owned by Ashford Borough Council and managed by Kent Wildlife Trust.
Bourley and Long Valley is a 823.5-hectare (2,035-acre) biological Site of Special Scientific Interest between Fleet and Aldershot in Hampshire. It is part of Thames Basin Heaths Special Protection Area for the conservation of wild birds.
Castor Hanglands is an 89.8-hectare (222-acre) biological Site of Special Scientific Interest west of Peterborough in Cambridgeshire. The site is also a National Nature Reserve, and it is a Nature Conservation Review site, Grade I for its woodlands and Grade 2 for its grassland. It is common land managed by Natural England.
Sizewell Marshes form a 260-acre biological Site of Special Scientific Interest adjacent to Sizewell in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is part of a 356-acre (144-ha) nature reserve managed by the Suffolk Wildlife Trust as Sizewell Belts.
Holland Haven Marshes is a 208.8-hectare (516-acre) biological Site of Special Scientific Interest north-east of Clacton-on-Sea in Essex. It is an L-shaped site which stretches along the coast from Frinton-on-Sea to Holland-on-Sea, and then north along the Holland Brook. It includes Holland Haven Country Park, a 22.1 hectare Local Nature Reserve owned and managed by Tendring District Council.
Frilford Heath, Ponds and Fens is a 108.8-hectare (269-acre) biological Site of Special Scientific Interest in Frilford, west of Abingdon in Oxfordshire. An area of 3 hectares, separate from the main site is Hitchcopse Pit, a nature reserve managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Hardwick Lodge Meadow is a 10 hectare biological Site of Special Scientific Interest north-west of Wellingborough in Northamptonshire.
Breckland Forest is an 18,126 hectare biological and geological Site of Special Scientific Interest in many separate areas between Swaffham in Norfolk and Bury St Edmunds in Suffolk. It is part of the Breckland Special Protection Area under the European Union Directive on the Conservation of Wild Birds. It contains two Geological Conservation Review sites, Beeches Pit, Icklingham and High Lodge. Barton Mills Valley is a Local Nature Reserve in the south-west corner of the site.
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.
Newmarket Heath is a 279.3-hectare-large (690-acre) biological Site of Special Scientific Interest in Newmarket in Suffolk. It covers most of Newmarket Racecourse.
RAF Lakenheath is a 111 hectare biological Site of Special Scientific Interest covering parts of RAF Lakenheath Royal Air Force base, east of Lakenheath in Suffolk. It is in the Breckland Special Area of Conservation.
Thetford Heaths is a 270.6-hectare (669-acre) biological and geological Site of Special Scientific Interest in Suffolk. It is a Nature Conservation Review site, Grade I, and parts of it are a national nature reserve, and a Geological Conservation Review, It is part of the Breckland Special Area of Conservation, and Special Protection Area A large part of this dry heathland site is calcareous grassland, and some areas are grazed by sheep or rabbits. There are several nationally rare plants and an uncommon heathland bird, and many lichens and mosses.
West Stow Heath is a 44.3-hectare (109-acre) biological Site of Special Scientific Interest west of West Stow in Suffolk. It is part of the Breckland Special Protection Area under the European Union Directive on the Conservation of Wild Birds.
Barnham Cross Common is a 69.1-hectare (171-acre) biological Site of Special Scientific Interest on the southern outskirts of Thetford in Norfolk. It is owned by Thetford Town Council and is registered common land. It is also a Local Nature Reserve and a Nature Conservation Review site, Grade 1. It is part of the Breckland Special Area of Conservation and Special Protection Area.
Stanford Training Area SSSI is part of the British Army Stanford Training Area. It is a 4,678-hectare (11,560-acre) biological and geological Site of Special Scientific Interest north of Thetford in Norfolk. It is a Nature Conservation Review site and part of it is a Geological Conservation Review site. It is also part of the Breckland Special Area of Conservation and Special Protection Area.
Broxhead and Kingsley Commons is a 105.1-hectare (260-acre) biological Site of Special Scientific Interest north of Lindford in Hampshire. It is part of Wealden Heaths Phase II Special Protection Area for the Conservation of Wild Birds and Broxhead Common is a 41.8-hectare (103-acre) Local Nature Reserve owned and managed by Hampshire County Council.
