Llanerchaeron, Ceredigion
Cragside, Northumberland
Greys Court, Oxfordshire
Scotney Castle, Kent
Felbrigg, Norfolk
Calke Abbey, Derbyshire
Anglesey Abbey, Cambridgeshire
Sudbury Hall (Children's Country House), Derbyshire
Coleton Fishacre, Devon
Tyntesfield, North Somerset
59 Rodney Street, Merseyside
Dunham Massey, Cheshire
Wightwick Manor, West Midlands
Lacock, Wiltshire
Snowshill Manor and Garden, Gloucestershire
Dudmaston, Shropshire
Mount Stewart, County Down
Wallington, Northumberland
The Argory, County Armagh
Mr Straw's House, Nottinghamshire
Castle Ward, County Down
Chartwell, Kent
Quarry Bank, Cheshire