The Heiligenkreuz Abbey invited him to decorate their new sacristy.
In 1935, however, the choir was extended by four metres and a new sacristy was built.
The flat murtaket was replaced with an arched vault, and a new sacristy was built.
In 1770, a new sacristy was built, together with a main altar.
A new sacristy was built to the northeast.
A new sacristy for the church was designed in 1840.
One leads to the Chapel of St Richard, the other to the new sacristy (1894).
A difficult person to work with, Michelangelo refused to direct the completion of the new sacristy.
He built a new sacristy and chancel in the cathedral.
The church was extended in 1787 and received a new sacristy in 1981.