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.
Salcey Forest is a fragment of a former medieval hunting forest east of the village of Hartwell, between Northampton and Newport Pagnell in Northamptonshire. It is managed by Forestry England and to promote biodiversity, and is also commercially exploited for timber products. The eastern third of the forest, an area of 159.6 hectares, is a biological Site of Special Scientific Interest (SSSI).
Beacon Hill, Warnford is a 46.4-hectare (115-acre) biological Site of Special Scientific Interest west of Warnford in Hampshire. It is a Nature Conservation Review site, and an area of 40.1 hectares is a national nature reserve. There is a round barrow cemetery dating to the Late Neolithic or Bronze Age on the hill, and this is a scheduled monument.
Queendown Warren is a 22.2-hectare (55-acre) biological Site of Special Scientific Interest south-east of Rainham in Kent. It is a Local Nature Reserve, a Nature Conservation Review site, Grade 2, and a Special Area of Conservation. It is in the Kent Downs Area of Outstanding Natural Beauty. It is managed by the Kent Wildlife Trust, and part of it is owned by Plantlife.
High Woods is a 33.7-hectare (83-acre) biological Site of Special Scientific Interest on the northern outskirts of Bexhill-on-Sea in East Sussex. It is owned by Rother District Council and managed by Highwoods Preservation Society.
Marline Valley Woods is a 55.1-hectare (136-acre) biological Site of Special Scientific Interest on the western outskirts of Hastings in East Sussex. An area of 40.3 hectares is a Local Nature Reserve owned by Hastings Borough Council and managed by the Sussex Wildlife Trust.
Woolmer Forest is a 1,298.5-hectare (3,209-acre) biological Site of Special Scientific Interest south of Bordon in Hampshire and West Sussex. It is also a Special Area of Conservation and part of the Wealden Heaths Phase II Special Protection Area. Two areas are Nature Conservation Review sites, Grade I.
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.
Denham Lock Wood is a 6.3-hectare (16-acre) biological Site of Special Scientific Interest (SSSI) next to the Grand Union Canal, and near Denham in the London Borough of Hillingdon. It was notified in 1986 and is managed by the London Wildlife Trust on behalf of Hillingdon Council. It lies within the Colne Valley Regional Park.
Dymock Woods is a 53-hectare (130-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1990. The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS).
Blo' Norton and Thelnetham Fens are a 21.3 hectare biological Site of Special Scientific Interest (SSSI) on the Norfolk/Suffolk border. Blo' Norton Fen is in the parish of Blo' Norton in Norfolk and Thelnetham Fen is in Thelnetham parish in Suffolk. It is a Nature Conservation Review site, Grade 2, and part of the Waveney and Little Ouse Valley Fens Special Area of Conservation, Thelnetham Fen is managed by the Suffolk Wildlife Trust and Blo' Norton Fen by the Little Ouse Headwaters Project (LOHP).
Bigsweir Woods is a 48.16-hectare (119.0-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1984. The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS).
Dingle Wood is a 9.95-hectare (24.6-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1972. The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS). The wood is located within the Forest of Dean Forest Park and the Wye Valley Area of Outstanding Natural Beauty.
Highbury Wood is a 50.74-hectare (125.4-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1983.
Shorn Cliff And Caswell Woods is a 69.2-hectare (171-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1986. The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS).
The Hudnalls is a 94.4-hectare (233-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1972. The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS).
Tring Woodlands is a 23.8 hectare biological Site of Special Scientific Interest in Tring in Hertfordshire. It is part of the Chilterns Area of Outstanding Natural Beauty and the local planning authority is Dacorum District Council. The wood has a rich flora, showing that it is well established. It is a good example of a semi-natural beech wood in Hertfordshire. Plants that are abundant include woodruff, wood anemone and dog's mercury, and there are a variety of woodland birds. There is access to the wood from Hastoe Hill.
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.
Lavington Common is a 31.2-hectare (77-acre) biological Site of Special Scientific Interest south-west of Petworth in West Sussex. It is a National Trust property.
St Leonard's Forest SSSI is an 85.4-hectare (211-acre) biological Site of Special Scientific Interest east of Horsham in West Sussex. The SSSI is in two separate areas, with the western part being in the 289-hectare (710-acre) Forestry Commission managed St Leonard's Forest.
