Llanerchaeron, Ceredigion (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Osterley Park and House, London (Accredited Museum)
Killerton, Devon (Accredited Museum)
Standen House and Garden, West Sussex (Accredited Museum)
Plas Newydd, Anglesey (Accredited Museum)
Greenway, Devon (Accredited Museum)
Berrington Hall, Herefordshire (Accredited Museum)
Townend, Cumbria (Accredited Museum)
Clevedon Court, North Somerset (Accredited Museum)
Lytes Cary Manor, Somerset (Accredited Museum)
Lamb House, Rye, East Sussex (Accredited Museum)
Arlington Court, Devon (Accredited Museum)
Hinton Ampner, Hampshire (Accredited Museum)
Kingston Lacy Estate, Dorset (Accredited Museum)
Belton House, Lincolnshire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Castle Ward, County Down (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
