Cox and Yeman
Standen House and Garden, West Sussex
Ightham Mote, Kent
Kingston Lacy Estate, Dorset
Canons Ashby, Northamptonshire
Clarke
Knole, Kent
Penrhyn Castle, Gwynedd
Felbrigg, Norfolk
Tyntesfield, North Somerset
Castle Drogo, Devon
Polesden Lacey, Surrey
Powis Castle and Garden, Powys
The Argory, County Armagh
Dunham Massey, Cheshire
Knightshayes Court, Devon
Stevens and Sons
Shugborough Estate, Staffordshire
Ickworth, Suffolk
Burroughes and Watts Ltd
Cragside, Northumberland
