George Malcolm Young (1882-1959)
Cragside, Northumberland
Chartwell, Kent
Mount Stewart, County Down
Humphrey Arthur Pakington, 5th Baron Hampton (1888-1974)
Ightham Mote, Kent
Thomas Babington Macaulay, 1st Baron Macaulay (1800-1859)
Sissinghurst Castle Garden, Kent
Greys Court, Oxfordshire
Shaw's Corner, Hertfordshire
Anglesey Abbey, Cambridgeshire
Plas Newydd, Anglesey
Wightwick Manor, West Midlands
The Argory, County Armagh
Coleton Fishacre, Devon
Rufford Old Hall, Lancashire
Conservative Political Centre, London