Osterley Park and House, London (Accredited Museum)
Knightshayes Court, Devon (Accredited Museum)
Ightham Mote, Kent (Accredited Museum)
Nostell Priory, West Yorkshire (Accredited Museum)
Coade's Artificial Stone Manufactory Co. (1769 - 1840)
Basildon Park, Berkshire (Accredited Museum)
Mompesson House, Wiltshire (Accredited Museum)
Sissinghurst Castle Garden, Kent (Accredited Museum)
Acorn Bank, Cumbria
Hughenden, Buckinghamshire (Accredited Museum)
Melford Hall, Suffolk (Accredited Museum)
Hatchlands Park, Surrey (Accredited Museum)
Berrington Hall, Herefordshire (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Mount Stewart, County Down (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
