Nunnington Hall, North Yorkshire (Accredited Museum)
Townend, Cumbria (Accredited Museum)
Hinton Ampner, Hampshire (Accredited Museum)
2 Willow Road, London (Accredited Museum)
Saltram, Devon (Accredited Museum)
Knole, Kent (Accredited Museum)
Sunnycroft, Shropshire (Accredited Museum)
Fenton House, London (Accredited Museum)
Seaton Delaval Hall, Northumberland
Plas Newydd, Anglesey (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Chartwell, Kent (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Quarry Bank, Cheshire (Accredited Museum)
Standen House and Garden, West Sussex (Accredited Museum)
Hatchlands Park, Surrey (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)