Osterley Park and House, London (Accredited Museum)
Erddig, Wrexham (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Hinton Ampner, Hampshire (Accredited Museum)
Castle Drogo, Devon (Accredited Museum)
Dorneywood House and Gardens, Buckinghamshire
Cragside, Northumberland (Accredited Museum)
J. Seymour Lindsay
Owletts, Kent
Anglesey Abbey, Cambridgeshire (Accredited Museum)
Henry Davis Pochin (d.1895)
Bodnant Garden, Conwy
Dunster Castle, Somerset (Accredited Museum)
Croome Park, Worcestershire
Berrington Hall, Herefordshire (Accredited Museum)
Castle Ward, County Down (Accredited Museum)
Coleton Fishacre, Devon (Accredited Museum)
Baddesley Clinton, Warwickshire (Accredited Museum)
Chedworth Roman Villa, Gloucestershire (Accredited Museum)
Mottisfont, Hampshire (Accredited Museum)
Tyntesfield, North Somerset
Saltram, Devon (Accredited Museum)
Kingston Lacy Estate, Dorset (Accredited Museum)
Upton House, Warwickshire (Accredited Museum)
Attingham Park, Shropshire (Accredited Museum)
Snowshill Manor and Garden, Gloucestershire (Accredited Museum)
A La Ronde, Devon (Accredited Museum)
