Belton House, Lincolnshire
Penrhyn Castle, Gwynedd
Coleton Fishacre, Devon
Tyntesfield, North Somerset
Upton House, Warwickshire
Osterley Park and House, London
Greenway, Devon
Seaton Delaval Hall, Northumberland
Ormesby Hall, Redcar and Cleveland
Blickling Hall, Norfolk
The Argory, County Armagh
Trerice, Cornwall
Herbert E. Gibbs
Florence Court, County Fermanagh
20 Forthlin Road, Allerton, Merseyside
Mount Stewart, County Down
Hanbury Hall, Worcestershire
Heals
Collier & Plucknett
Tatton Park, Cheshire
Erddig, Wrexham
Knightshayes Court, Devon
Souter and the Leas, Tyne and Wear
Hughenden, Buckinghamshire
Lindisfarne Castle, Northumberland
Vyne Estate, Hampshire
Kingston Lacy Estate, Dorset
Canons Ashby, Northamptonshire
Scotney Castle, Kent
Felbrigg, Norfolk
Calke Abbey, Derbyshire