Penrhyn Castle, Gwynedd
Cliveden Estate, Buckinghamshire
Felbrigg, Norfolk
Lytes Cary Manor, Somerset
Wimpole, Cambridgeshire
Knole, Kent
Ashdown House, Oxfordshire
A La Ronde, Devon
Coleton Fishacre, Devon
Hinton Ampner, Hampshire
Powis Castle and Garden, Powys
Beningbrough Hall, North Yorkshire
Sudbury Hall (Children's Country House), Derbyshire
Polesden Lacey, Surrey
Greenway, Devon
The Argory, County Armagh
Nostell Priory, West Yorkshire
Osterley Park and House, London
Belton House, Lincolnshire
Vyne Estate, Hampshire
Dunham Massey, Cheshire
Kedleston Hall, Derbyshire
Tyntesfield, North Somerset