Weir Wood Reservoir is a 153.5-hectare (379-acre) biological Site of Special Scientific Interest west of Forest Row in East Sussex. It is in High Weald Area of Outstanding Natural Beauty and an area of 32.6 hectares is a Local Nature Reserve which is owned by Southern Water and managed by East Sussex County Council and Southern Water.
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.
Northaw Great Wood is a 223.6-hectare (553-acre) biological Site of Special Scientific Interest (SSSI) near Cuffley in Hertfordshire, England. It covers Northaw Great Wood Country Park, which is managed by Welwyn Hatfield Borough Council, Well Wood, Justice Hill and Grimes Bottom. Part of the site is managed by Hertfordshire County Council as a schools' park. The country park is also a local nature reserve.
Bradenham Woods, Park Wood and The Coppice is a 129.1-hectare (319-acre) biological Site of Special Scientific Interest in Bradenham in Buckinghamshire. It is in the Chilterns Area of Outstanding Natural Beauty, and it is described in A Nature Conservation Review. The site is part of the Bradenham Estate, which is owned by the National Trust. It is also designated a Special Area of Conservation. Grim's Ditch, a Scheduled Monument, runs through the site.
Aston Rowant Woods is a 209.7-hectare (518-acre) biological Site of Special Scientific Interest near Aston Rowant in Oxfordshire and Buckinghamshire. Part of it is in Aston Rowant National Nature Reserve, and a large part is in the Chiltern Beechwoods Special Area of Conservation. The site is also in the Chilterns Area of Outstanding Natural Beauty.
Lambridge Wood is a 73.8-hectare (182-acre) biological Site of Special Scientific Interest north-west of Henley-on-Thames in Oxfordshire. It is in the Chilterns Area of Outstanding Natural Beauty.
Wildmoor Heath is a 91-hectare (220-acre) nature reserve south of Crowthorne in Berkshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. The reserve is part of two Sites of Special Scientific Interest: Wildmoor Heath itself is part of Sandhurst to Owlsmoor Bogs and Heaths and a separate area called Broadmoor Bottom is part of Broadmoor to Bagshot Woods and Heaths.
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.
House Copse is a 12.5-hectare (31-acre) biological Site of Special Scientific Interest west of Crawley in West Sussex.
The Mens is a 205.2-hectare (507-acre) biological Site of Special Scientific Interest west of Billingshurst in West Sussex. It is a Nature Conservation Review site, Grade I and a Special Area of Conservation. An area of 166 hectares south of the A272 road is managed as a nature reserve by the Sussex Wildlife Trust.
Worth Forest is a 43.8-hectare (108-acre) biological Site of Special Scientific Interest south of Crawley in West Sussex. It is in the High Weald Area of Outstanding Natural Beauty.
Wakehurst and Chiddingly Woods is a 155.9-hectare (385-acre) biological and geological Site of Special Scientific Interest south-east of Crawley in West Sussex, England. It is a Nature Conservation Review site, Grade I, and part of it is a Geological Conservation Review site.
Harpsden Wood is a 29.4-hectare (73-acre) biological Site of Special Scientific Interest south of Henley-on-Thames in Oxfordshire. It is owned by the Woodland Trust and is open to the public.
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.
Coombe Wood and The Lythe is a 44-hectare (110-acre) biological Site of Special Scientific Interest west of Bordon in Hampshire. It is part of East Hampshire Hangers Special Area of Conservation and Combe Wood is a National Trust property.
Crab Wood is a 73-hectare (180-acre) biological Site of Special Scientific Interest west of Winchester in Hampshire. An area of 37.8 hectares is also a Local Nature Reserve.
Upper Greensand Hangers: Empshott to Hawkley is a 37.7-hectare (93-acre) biological Site of Special Scientific Interest north of Petersfield in Hampshire. It is part of the East Hampshire Hangers Special Area of Conservation.
Upper Greensand Hangers: Wyck to Wheatley is a 13.2-hectare (33-acre) biological Site of Special Scientific Interest east of Alton in Hampshire. It is part of the East Hampshire Hangers Special Area of Conservation.
Wick Wood and Worldham Hangers is a 91.8-hectare (227-acre) biological Site of Special Scientific Interest west of Bordon in Hampshire. It is part of the East Hampshire Hangers Special Area of Conservation.
