Erddig, Wrexham (Accredited Museum)
Souter and the Leas, Tyne and Wear (Accredited Museum)
Lindisfarne Castle, Northumberland (Accredited Museum)
Ickworth, Suffolk (Accredited Museum)
Tyntesfield, North Somerset
Kingston Lacy Estate, Dorset (Accredited Museum)
Felbrigg, Norfolk (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Blickling Hall, Norfolk (Accredited Museum)
Edward Barnard & Sons (fl.1829 - 1977)
Trelissick, Cornwall
Castle Drogo, Devon (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Chirk Castle, Wrexham (Accredited Museum)
Moseley Old Hall, Staffordshire (Accredited Museum)
Woolbeding Gardens, West Sussex
Mr Straw's House, Nottinghamshire (Accredited Museum)
Safeway
Rufford Old Hall, Lancashire (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
