Erddig, Wrexham (Accredited Museum)
Brownsea Island, Dorset
Llanerchaeron, Ceredigion (Accredited Museum)
Standen House and Garden, West Sussex (Accredited Museum)
Castle Ward, County Down (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Cragside, Northumberland (Accredited Museum)
Dyrham, Gloucestershire (Accredited Museum)
Quarry Bank, Cheshire (Accredited Museum)
Wightwick Manor, West Midlands (Accredited Museum)
Snowshill Manor and Garden, Gloucestershire (Accredited Museum)
Polesden Lacey, Surrey (Accredited Museum)
Wimpole, Cambridgeshire (Accredited Museum)
Calke Abbey, Derbyshire (Accredited Museum)
National Trust Museum of Childhood (Accredited Museum)
Crosskills
Cotehele, Cornwall (Accredited Museum)
Saltram, Devon (Accredited Museum)
Merryweather and Sons
Lanhydrock, Cornwall (Accredited Museum)
William McCloud
Ardress House, County Armagh (Accredited Museum)
Arthur S. Ritchie and Co.
J. M, McKnight
Borrowdale, Cumbria
Ickworth, Suffolk (Accredited Museum)
Alexandra Jackson and Sons Ltd
Branscombe Old Bakery, Weston, Devon
Kingston Lacy Estate, Dorset (Accredited Museum)
Smallhythe Place, Kent (Accredited Museum)
