Llanerchaeron, Ceredigion (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Nunnington Hall, North Yorkshire (Accredited Museum)
Killerton, Devon (Accredited Museum)
Ickworth, Suffolk (Accredited Museum)
Hill Top, Cumbria (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Arlington Court, Devon (Accredited Museum)
Tyntesfield, North Somerset
Chartwell, Kent (Accredited Museum)
Ormesby Hall, Redcar and Cleveland (Accredited Museum)
Anglesey Abbey, Cambridgeshire (Accredited Museum)
Sunnycroft, Shropshire (Accredited Museum)
Blickling Hall, Norfolk (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Snowshill Manor and Garden, Gloucestershire (Accredited Museum)