Ickworth, Suffolk
Polesden Lacey, Surrey
Goddards, North Yorkshire
Erddig, Wrexham
Seaton Delaval Hall, Northumberland
Clumber Park, Nottinghamshire
Mr Straw's House, Nottinghamshire
Lacock, Wiltshire
Tyntesfield, North Somerset
Trerice, Cornwall
Mount Stewart, County Down
Tredegar, Newport
Penrhyn Castle, Gwynedd
Dudmaston, Shropshire
Mompesson House, Wiltshire
Lanhydrock, Cornwall