Goddards, North Yorkshire
Erddig, Wrexham (Accredited Museum)
Brownsea Island, Dorset
Stoneacre, Kent
Uppark House and Garden, West Sussex (Accredited Museum)
Canons Ashby, Northamptonshire (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Anglesey Abbey, Cambridgeshire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Beningbrough Hall, North Yorkshire (Accredited Museum)
Chirk Castle, Wrexham (Accredited Museum)
Clandon Park, Surrey
Clouds Hill, Dorset (Accredited Museum)
Dudmaston, Shropshire (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Dunster Castle, Somerset (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Ebworth Estate, Gloucestershire
Gray's Printing Press, County Tyrone
Hanbury Hall, Worcestershire (Accredited Museum)
Hardwick Hall, Derbyshire (Accredited Museum)
Hardy's Cottage, Dorset
Hill Top, Cumbria (Accredited Museum)
Ickworth, Suffolk (Accredited Museum)
Ightham Mote, Kent (Accredited Museum)