Kingston Lacy Estate, Dorset (Accredited Museum)
Mompesson House, Wiltshire (Accredited Museum)
Drew and Sons
Belton House, Lincolnshire (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Biddulph Grange Garden, Staffordshire
Chartwell, Kent (Accredited Museum)
Canons Ashby, Northamptonshire (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Saltram, Devon (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Scotney Castle, Kent (Accredited Museum)
Shugborough Estate, Staffordshire