Polesden Lacey, Surrey
Unknown
Dudmaston, Shropshire
Llanerchaeron, Ceredigion
Brownsea Island, Dorset
Killerton, Devon
Standen House and Garden, West Sussex
Berrington Hall, Herefordshire
Lanhydrock, Cornwall
Townend, Cumbria
Mottisfont, Hampshire
Uppark House and Garden, West Sussex
Wimpole, Cambridgeshire
Canons Ashby, Northamptonshire
Jefco
Penrhyn Castle, Gwynedd
Blickling Hall, Norfolk
Coleton Fishacre, Devon
Wightwick Manor, West Midlands
Rufford Old Hall, Lancashire
Mr Straw's House, Nottinghamshire
Mount Stewart, County Down
Wallington, Northumberland
Simplex
Osterley Park and House, London
Winchester City Mill, Hampshire
Kingston Lacy Estate, Dorset
Sunnycroft, Shropshire
Dunham Massey, Cheshire
Wordsworth House and Garden, Cumbria
Ormesby Hall, Redcar and Cleveland