Erddig, Wrexham (Accredited Museum)
National Trust Museum of Childhood (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Plas Newydd, Anglesey (Accredited Museum)
Greenway, Devon (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
National Trust Carriage Museum (Accredited Museum)
Trelissick, Cornwall
Killerton, Devon (Accredited Museum)
Clevedon Court, North Somerset (Accredited Museum)
Vyne Estate, Hampshire (Accredited Museum)
Aberconwy House, Conwy (Accredited Museum)
Clouds Hill, Dorset (Accredited Museum)
Ty Mawr Wybrnant, Conwy (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Tyntesfield, North Somerset
Hinton Ampner, Hampshire (Accredited Museum)
Greys Court, Oxfordshire (Accredited Museum)
Castle Ward, County Down (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Wightwick Manor, West Midlands (Accredited Museum)
Treasurer's House, North Yorkshire (Accredited Museum)