Wallington, Northumberland
Erddig, Wrexham
Nunnington Hall, North Yorkshire
Standen House and Garden, West Sussex
Ightham Mote, Kent
Greenway, Devon
Mr Straw's House, Nottinghamshire
Hill Top, Cumbria
George Stephenson's Birthplace, Northumberland
Dyrham, Gloucestershire
Cragside, Northumberland
Felbrigg, Norfolk
Sunnycroft, Shropshire
Blickling Hall, Norfolk
Penrhyn Castle, Gwynedd
Mount Stewart, County Down
Wightwick Manor, West Midlands
Waddington
Polesden Lacey, Surrey
Quarry Bank, Cheshire
Orme and Sons Limited.
Castle Ward, County Down
Tyntesfield, North Somerset
Lacock, Wiltshire