The Sussex Wildlife Trust (SWT) is a conservation charity which aims to protect natural life in Sussex. It was founded in 1961 and is one of 46 wildlife trusts across the UK and the Isle of Man and Alderney. As of 2019, it has 33,000 members and manages 2,000 hectares of land for nature. It is a registered charity and in the year to 31 March 2019 it had an income of £5.7 million and expenditure of £4 million, resulting in net income of £1.7 million.
Old Winchester Hill is a 66.2-hectare (164-acre) biological Site of Special Scientific Interest in Hampshire. It is a Nature Conservation Review site, Grade I, and a national nature reserve. Part of it is a scheduled monument.
Park Gate Down or Parkgate Down is a 7-hectare (17-acre) biological Site of Special Scientific Interest south-east of Stelling Minnis in Kent. It is also a Special Area of Conservation and is managed by the Kent Wildlife Trust,
Banstead Downs is a 126.7-hectare (313-acre) biological Site of Special Scientific Interest in Banstead in Surrey. There are Saxon burial mounds on the site and they are a Scheduled Monument Today, with wooded areas and wide open fields, Banstead Downs are predominantly used for walks by local residents. The downs also form a pathway from Belmont Village and Brighton Road to Banstead.
Swanscombe Skull Site or Swanscombe Heritage Park is a 3.9-hectare (9.6-acre) geological Site of Special Scientific Interest in Swanscombe, north-west Kent, England. It contains two Geological Conservation Review sites and a National Nature Reserve. The park lies in a former gravel quarry, Barnfield Pit.
Hollingbourne Downs is a 60.9-hectare (150-acre) biological Site of Special Scientific Interest east of Maidstone in Kent.
Sheepleas is a 99.9-hectare (247-acre) biological and geological Site of Special Scientific Interest east of Guildford in Surrey. It is a Geological Conservation Review site and a Local Nature Reserve. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Sudbourne Park Pit is a 1.1-hectare (2.7-acre) geological Site of Special Scientific Interest between Orford and Chillesford in Suffolk. It is a Geological Conservation Review site, and it is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.
Great Crabbles Wood is a 33-hectare (82-acre) biological Site of Special Scientific Interest north-west of Rochester in Kent.
Otford to Shoreham Downs is a 145.1-hectare (359-acre) biological Site of Special Scientific Interest between Kemsing and Eynesford in Kent. It is part of Kent Downs Area of Outstanding Natural Beauty and part it is Fackenden Down, a nature reserve managed by the Kent Wildlife Trust
Park Wood is a 31.1-hectare (77-acre) biological Site of Special Scientific Interest west of Chilham in Kent.
Scord's Wood and Brockhoult Mount is a 252.3-hectare (623-acre) biological Site of Special Scientific Interest west of Sevenoaks in Kent. Scord's Wood is a Nature Conservation Review site, Grade I.
Greatness Brickworks is a 7.8-hectare (19-acre) geological Site of Special Scientific Interest in Sevenoaks in Kent. It is a Geological Conservation Review site.
Peter's Pit is a 28.7-hectare (71-acre) biological Site of Special Scientific Interest north-east of Snodland in Kent. It is a Special Area of Conservation
Aylesford Pit is a 1.5-hectare (3.7-acre) geological Site of Special Scientific Interest north of Maidstone in Kent. It is a Geological Conservation Review site.
Sheep's Banks is a 5.1-hectare (13-acre) biological Site of Special Scientific Interest north of Wootton in Oxfordshire.
