The range built in the same style was older and housed the individual friars' cells, chapter hall and perhaps a library.
The priory church had a nave and single side aisle with a choir with an apse on the east end.
Queen Dorothea of Brandenburg, the wife of Christopher II and Christian I, whose generosity permitted a major expansion of the priory complex.
Since the Dominicans were a mendicant order they were reliant on the gifts of individuals or families to support the priory and its works, usually schools and hospitals.
The continuous existence of the friary was threatened in the early 16th century as Danes exchanged their Catholic beliefs and institutions for those of the Lutheran reformers.
Mendicant orders were particularly disliked for the constant appeals for alms in addition to the usual tithes and fees Danes paid to the church until the Reformation.
Count Christopher went to war on behalf of Christian II, the last Catholic king of Denmark, and he lost.
The last Dominican prior at Holbæk, Hans Pedersen, wrote a letter of gift to the town as a place for the sick and poor.
In the 1970s the remaining sections of the priory were restored and turned over to St Nicholas' church for a meeting halls and offices.