Buttermere Valley, Cumbria
Greenway, Devon (Accredited Museum)
Newark Park, Gloucestershire
Greys Court, Oxfordshire (Accredited Museum)
Howard and Sons
Cragside, Northumberland (Accredited Museum)
Coughton Court, Warwickshire
Dunham Massey, Cheshire (Accredited Museum)
Tyntesfield, North Somerset
Dinton, Wiltshire
Vyne Estate, Hampshire (Accredited Museum)
Borrowdale, Cumbria
Dorneywood House and Gardens, Buckinghamshire
Sizergh Castle, Cumbria
Calke Abbey, Derbyshire (Accredited Museum)
Blickling Hall, Norfolk (Accredited Museum)
Tatton Park, Cheshire (Accredited Museum)
Hawkshead, Cumbria
The Argory, County Armagh (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Carlyle's House, London (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Kingston Lacy Estate, Dorset (Accredited Museum)
Belton House, Lincolnshire (Accredited Museum)
Chartwell, Kent (Accredited Museum)
Scotney Castle, Kent (Accredited Museum)
Lacock, Wiltshire
A La Ronde, Devon (Accredited Museum)
59 Rodney Street, Merseyside (Accredited Museum)
Mount Stewart, County Down (Accredited Museum)
Attingham Park, Shropshire (Accredited Museum)