Llanerchaeron, Ceredigion (Accredited Museum)
Dudmaston, Shropshire (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Dinton, Wiltshire
Mitchell and Co.
Knightshayes Court, Devon (Accredited Museum)
Killerton, Devon (Accredited Museum)
Greenway, Devon (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Collard and Collard
Kedleston Hall, Derbyshire (Accredited Museum)
Berrington Hall, Herefordshire (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Steinway
Powis Castle and Garden, Powys
Westwood Manor, Wiltshire (Accredited Museum)
Dinefwr, Carmarthenshire
Cobbe
Mottisfont, Hampshire (Accredited Museum)
Vyne Estate, Hampshire (Accredited Museum)
Sheringham, Norfolk
Lytes Cary Manor, Somerset (Accredited Museum)
Grantham House, Lincolnshire
Farnborough Hall, Warwickshire
Wallington, Northumberland (Accredited Museum)
