Llanerchaeron, Ceredigion (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Osterley Park and House, London (Accredited Museum)
Nunnington Hall, North Yorkshire (Accredited Museum)
Plas Yn Rhiw, Gwynedd (Accredited Museum)
Killerton, Devon (Accredited Museum)
Ightham Mote, Kent (Accredited Museum)
Townend, Cumbria (Accredited Museum)
Lindisfarne Castle, Northumberland (Accredited Museum)
Seaton Delaval Hall, Northumberland
Wallington, Northumberland (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Hinton Ampner, Hampshire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Unknown
Greys Court, Oxfordshire (Accredited Museum)
Chartwell, Kent (Accredited Museum)
Spode Pottery and Porcelain Factory (est.1776)
H.A.
Penrhyn Castle, Gwynedd (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Tatton Park, Cheshire (Accredited Museum)
Wightwick Manor, West Midlands (Accredited Museum)
Tyntesfield, North Somerset
