Chastleton House, Oxfordshire (Accredited Museum)
Montacute House, Somerset (Accredited Museum)
Monk's House, Rodmell, East Sussex (Accredited Museum)
Saltram, Devon (Accredited Museum)
Knole, Kent (Accredited Museum)
Clarke
Penrhyn Castle, Gwynedd (Accredited Museum)
Belton House, Lincolnshire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Lyme, Cheshire (Accredited Museum)
Canons Ashby, Northamptonshire (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)