Plas Newydd, Anglesey (Accredited Museum)
Tintinhull House, Somerset
Erddig, Wrexham (Accredited Museum)
Dudmaston, Shropshire (Accredited Museum)
Llanerchaeron, Ceredigion (Accredited Museum)
Killerton, Devon (Accredited Museum)
Standen House and Garden, West Sussex (Accredited Museum)
Ightham Mote, Kent (Accredited Museum)
Dunham Massey, Cheshire (Accredited Museum)
Mompesson House, Wiltshire (Accredited Museum)
Springhill, County Londonderry (Accredited Museum)
Greenway, Devon (Accredited Museum)
Hughenden, Buckinghamshire (Accredited Museum)
Berrington Hall, Herefordshire (Accredited Museum)
Lanhydrock, Cornwall (Accredited Museum)
Gray's Printing Press, County Tyrone
Polesden Lacey, Surrey (Accredited Museum)
Townend, Cumbria (Accredited Museum)
Ardress House, County Armagh (Accredited Museum)
Buckland Abbey, Devon (Accredited Museum)
Vyne Estate, Hampshire (Accredited Museum)
Cherryburn, Northumberland (Accredited Museum)
Ickworth, Suffolk (Accredited Museum)
Woolsthorpe Manor, Lincolnshire (Accredited Museum)
Shaw's Corner, Hertfordshire (Accredited Museum)
Hill Top, Cumbria (Accredited Museum)
Wallington, Northumberland (Accredited Museum)
Clouds Hill, Dorset (Accredited Museum)
Aberglaslyn, Gwynedd
Brockhampton Estate, Herefordshire (Accredited Museum)