Tintinhull House, Somerset
Greenway, Devon (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Mount Stewart, County Down (Accredited Museum)
Basildon Park, Berkshire (Accredited Museum)
Cliveden Estate, Buckinghamshire
Gibside, Tyne and Wear
Wallington, Northumberland (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Chartwell, Kent (Accredited Museum)
Castle Ward, County Down (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Owletts, Kent
Scotney Castle, Kent (Accredited Museum)
Shugborough Estate, Staffordshire
Wimpole, Cambridgeshire (Accredited Museum)
Gunby Hall Estate, Lincolnshire
Coleton Fishacre, Devon (Accredited Museum)
59 Rodney Street, Merseyside (Accredited Museum)
Greyfriars, Worcestershire (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)