Adult individuals, legal entities including those of public law, or unrecognised associations, who are owners or co-owners of historic residences or individual units used as residences, or who hold other real rights over them. Spouses, relatives and relatives-in-law up to the third degree of the owner of a historic building may also be eligible for membership, subject to their consent.
Members who contribute significantly, with special donations or otherwise, to achieving the association’s aims.