Cock Marsh is an 18.3-hectare (45-acre) biological Site of Special Scientific Interest north of Maidenhead in Berkshire. It is also the location of a Round barrow cemetery and common land where livestock have grazed for hundreds of years. Cock Marsh is managed by the National Trust.
Blackwater Valley is a 33.9-hectare (84-acre) biological Site of Special Scientific Interest between Sandhurst in Berkshire and Blackwater in Hampshire.
Avery's Pightle is a 1.3-hectare (3.2-acre) biological Site of Special Scientific Interest south of Enborne in Berkshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Titsey Woods is a 45.3-hectare (112-acre) biological Site of Special Scientific Interest north-west of Oxted in Surrey.
Snelsmore Common is a 104-hectare (260-acre) biological Site of Special Scientific Interest north of Newbury in Berkshire. It is owned by West Berkshire Council and managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Longmoor Bog is a 14-hectare (35-acre) biological Site of Special Scientific Interest north of Finchampstead in Berkshire. An area of 11.8 hectares is a Local Nature Reserve. It is part of California Country Park, which is owned and managed by Wokingham District Council.
L-Moor, Shepreth is a 6.6 hectare biological Site of Special Scientific Interest in Shepreth in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Cowden Pound Pastures is a 5.9-hectare (15-acre) biological Site of Special Scientific Interest north of Cowden in Kent. It is managed by the Kent Wildlife Trust
Swangey Fen, Attleborough is a 48.4-hectare (120-acre) biological Site of Special Scientific Interest south-west of Attleborough in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
West End Common is a 70.3-hectare (174-acre) Local Nature Reserve on the north-western outskirts of Esher in Surrey. It is owned and managed by Elmbridge Borough Council. It is part of Esher Commons, which is a Site of Special Scientific Interest.
Charleshill SSSI is a 10.1-hectare (25-acre) biological Site of Special Scientific Interest west of Elstead in Surrey. It is part of Thundry Meadows nature reserve, which is owned and managed by the Surrey Wildlife Trust
Buchan Hill Ponds is a 19.5-hectare (48-acre) biological Site of Special Scientific Interest on the south-west outskirts of Crawley in West Sussex.
Coates Castle SSSI is a 7.7-hectare (19-acre) biological Site of Special Scientific Interest west of Pulborough in West Sussex.
Iping and Stedham Commons is a nature reserve owned and managed by the Sussex Wildlife Trust. It is a 125.4-hectare (310-acre) biological Site of Special Scientific Interest near the villages of Iping and Stedham, west of Midhurst in West Sussex. It is also a Local Nature Reserve and a Nature Conservation Review site, Grade 2.
Northpark Copse to Snapelands Copse is a 101.4-hectare (251-acre) biological Site of Special Scientific Interest north of Midhurst in West Sussex.
Bramshott and Ludshott Commons is a 374.4-hectare (925-acre) biological Site of Special Scientific Interest near Grayshott in Hampshire. It is part of Wealden Heaths Phase II 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.
Greywell Fen is a 38-hectare (94-acre) biological Site of Special Scientific Interest in Greywell in Hampshire. It is a Nature Conservation Review site, Grade 2, and an area of 13 hectares is a nature resserve called Greywell Moors, which is managed by the Hampshire and Isle of Wight Wildlife Trust.
Hazeley Heath is a 180.8-hectare (447-acre) biological Site of Special Scientific Interest west of Farnborough in Hampshire. It is part of Thames Basin Heaths Special Protection Area for the conservation of wild birds.
