Clandon Park, Surrey
George Stephenson's Birthplace, Northumberland (Accredited Museum)
Calke Abbey, Derbyshire (Accredited Museum)
Chirk Castle, Wrexham (Accredited Museum)
Nostell Priory, West Yorkshire (Accredited Museum)
Ashdown House, Berkshire
Mount Stewart, County Down (Accredited Museum)
Upton House, Warwickshire (Accredited Museum)
Blickling Hall, Norfolk (Accredited Museum)
Greenway, Devon (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Oxburgh Hall, Norfolk (Accredited Museum)
Hinton Ampner, Hampshire (Accredited Museum)
Scotney Castle, Kent (Accredited Museum)
Borrowdale, Cumbria
Dyrham, Gloucestershire (Accredited Museum)
Fenton House, London (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Baddesley Clinton, Warwickshire (Accredited Museum)
Stanley Hurst
Powis Castle and Garden, Powys (Accredited Museum)
