Standen House and Garden, West Sussex (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Lindisfarne Castle, Northumberland (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Arlington Court, Devon (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Shugborough Estate, Staffordshire
Castle Drogo, Devon (Accredited Museum)
Mr Straw's House, Nottinghamshire (Accredited Museum)
Beningbrough Hall, North Yorkshire (Accredited Museum)
Florence Court, County Fermanagh (Accredited Museum)
Ham House, Surrey (Accredited Museum)
Chirk Castle, Wrexham (Accredited Museum)
Snowshill Manor and Garden, Gloucestershire (Accredited Museum)
Greyfriars, Worcestershire (Accredited Museum)
Fleece Inn Bretforton, Worcestershire
Saltram, Devon (Accredited Museum)
Coleton Fishacre, Devon (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Dinton, Wiltshire
Nunnington Hall, North Yorkshire (Accredited Museum)
Plas Yn Rhiw, Gwynedd (Accredited Museum)
Killerton, Devon (Accredited Museum)
Bateman's, East Sussex (Accredited Museum)
East Riddlesden Hall, West Yorkshire (Accredited Museum)
Shaw's Corner, Hertfordshire (Accredited Museum)
Smallhythe Place, Kent (Accredited Museum)
Castle Ward, County Down (Accredited Museum)
Calke Abbey, Derbyshire (Accredited Museum)