Llanerchaeron, Ceredigion (Accredited Museum)
Tintinhull House, Somerset
Ightham Mote, Kent (Accredited Museum)
Basildon Park, Berkshire (Accredited Museum)
Mompesson House, Wiltshire (Accredited Museum)
Greenway, Devon (Accredited Museum)
Sissinghurst Castle Garden, Kent (Accredited Museum)
Berrington Hall, Herefordshire (Accredited Museum)
Kenrick
Polesden Lacey, Surrey (Accredited Museum)
Townend, Cumbria (Accredited Museum)
Clevedon Court, North Somerset (Accredited Museum)
Powis Castle and Garden, Powys (Accredited Museum)
Cliveden Estate, Buckinghamshire
Croft Castle, Herefordshire (Accredited Museum)
Lytes Cary Manor, Somerset (Accredited Museum)
Grantham House, Lincolnshire
Shaw's Corner, Hertfordshire (Accredited Museum)
Lamb House, Rye, East Sussex (Accredited Museum)
Hill Top, Cumbria (Accredited Museum)
Hardy's Cottage, Dorset
Stoneacre, Kent
Dyrham, Gloucestershire (Accredited Museum)