Dinton, Wiltshire
Knightshayes Court, Devon (Accredited Museum)
Plas Yn Rhiw, Gwynedd (Accredited Museum)
Cotehele, Cornwall (Accredited Museum)
Basildon Park, Berkshire (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Hughenden, Buckinghamshire (Accredited Museum)
Mount Stewart, County Down (Accredited Museum)
Clevedon Court, North Somerset (Accredited Museum)
Lindisfarne Castle, Northumberland (Accredited Museum)
Gawthorpe Hall, Lancashire
Croft Castle, Herefordshire (Accredited Museum)