Wallington, Northumberland (Accredited Museum)
Mottisfont, Hampshire (Accredited Museum)
Washington Old Hall, Tyne and Wear (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Calke Abbey, Derbyshire (Accredited Museum)
Blickling Hall, Norfolk (Accredited Museum)
Sudbury Hall, Derbyshire (Accredited Museum)
Acme.
Wightwick Manor, West Midlands (Accredited Museum)
Tyntesfield, North Somerset
Buckland Abbey, Devon (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Ightham Mote, Kent (Accredited Museum)
Osterley Park and House, London (Accredited Museum)
Hatchlands Park, Surrey (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Ickworth, Suffolk (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Chartwell, Kent (Accredited Museum)
Buscot and Coleshill Estates, Oxfordshire
20 Forthlin Road, Allerton, Merseyside
Hale and Sons
Ormesby Hall, Redcar and Cleveland (Accredited Museum)
Attingham Park, Shropshire (Accredited Museum)
Geo. Fowler, Lee and Co.
Erddig, Wrexham (Accredited Museum)
Jones Bros and Co.
Diamond
Sunnycroft, Shropshire (Accredited Museum)
Speke Hall, Merseyside (Accredited Museum)
Kenrick