Alexander Keiller Museum, Wiltshire (Accredited Museum)
Clandon Park, Surrey
Mottisfont, Hampshire (Accredited Museum)
Coughton Court, Warwickshire
Powis Castle and Garden, Powys (Accredited Museum)
Saltram, Devon (Accredited Museum)
Dunster Castle, Somerset (Accredited Museum)
Charlecote Park, Warwickshire (Accredited Museum)
Lacock, Wiltshire
Polesden Lacey, Surrey (Accredited Museum)
Canons Ashby, Northamptonshire (Accredited Museum)
Chirk Castle, Wrexham (Accredited Museum)
Rufford Old Hall, Lancashire (Accredited Museum)
Unknown
Dudmaston, Shropshire (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Paul
Nunnington Hall, North Yorkshire (Accredited Museum)
Standen House and Garden, West Sussex (Accredited Museum)
Cotehele, Cornwall (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Chedworth Roman Villa, Gloucestershire (Accredited Museum)
