Wallington, Northumberland
Tyntesfield, North Somerset
Castle Drogo, Devon
Blickling Hall, Norfolk
Dunham Massey, Cheshire
Mr Straw's House, Nottinghamshire
Canons Ashby, Northamptonshire
Felbrigg, Norfolk
Mount Stewart, County Down
Penrhyn Castle, Gwynedd
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Dudmaston, Shropshire
Baddesley Clinton, Warwickshire
Rufford Old Hall, Lancashire
Castle Coole, County Fermanagh
Lacock, Wiltshire
Peckover House, Cambridgeshire
Wightwick Manor, West Midlands
Sudbury Hall (Children's Country House), Derbyshire