Dudmaston, Shropshire (Accredited Museum)
Lytes Cary Manor, Somerset (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Penrhyn Castle, Gwynedd (Accredited Museum)
Sudbury Hall, Derbyshire (Accredited Museum)
Upton House, Warwickshire (Accredited Museum)
Vyne Estate, Hampshire (Accredited Museum)
Tyntesfield, North Somerset
Stalker and Parker
Osterley Park and House, London (Accredited Museum)
Morris and Co.
Standen House and Garden, West Sussex (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Mount Stewart, County Down (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Lyme, Cheshire (Accredited Museum)
Sizergh Castle, Cumbria
Anglesey Abbey, Cambridgeshire (Accredited Museum)
Blickling Hall, Norfolk (Accredited Museum)
Coughton Court, Warwickshire
Oxburgh Hall, Norfolk (Accredited Museum)
Snowshill Manor and Garden, Gloucestershire (Accredited Museum)
Rufford Old Hall, Lancashire (Accredited Museum)
Petworth House and Park, West Sussex (Accredited Museum)
Benthall Hall, Shropshire (Accredited Museum)
Nunnington Hall, North Yorkshire (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Charles Robert Ashbee (1863-1942).
Ightham Mote, Kent (Accredited Museum)
Nostell Priory, West Yorkshire (Accredited Museum)
Grantham House, Lincolnshire
Ickworth, Suffolk (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Kingston Lacy Estate, Dorset (Accredited Museum)