Erddig, Wrexham (Accredited Museum)
Nunnington Hall, North Yorkshire (Accredited Museum)
Plas Newydd, Anglesey (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Kingston Lacy Estate, Dorset (Accredited Museum)
Wimpole, Cambridgeshire (Accredited Museum)
Gunby Hall Estate, Lincolnshire
Speke Hall, Merseyside (Accredited Museum)
Tyntesfield, North Somerset
Baddesley Clinton, Warwickshire (Accredited Museum)
Rufford Old Hall, Lancashire (Accredited Museum)
Packwood House, Warwickshire (Accredited Museum)
Wightwick Manor, West Midlands (Accredited Museum)
Moseley Old Hall, Staffordshire (Accredited Museum)
Snowshill Manor and Garden, Gloucestershire (Accredited Museum)
Chirk Castle, Wrexham (Accredited Museum)
Lacock, Wiltshire
Sutton Hoo, Suffolk
Mount Stewart, County Down (Accredited Museum)