2011

Structural work at the cathedral and new entrance to the cathedral museum
Structural work at Antoniuskirche
Structural work at Bishop's Crypt
Foundations are drained
Outside drainage work
Stone work on the westwork

2012

Entrance to the cathedral museum (temporary) to be used as an information center for the restoration of the cathedral
Structural work at the cathedral and Bishop's Crypt
Building services for the cathedral
Structural work at Antoniuskirche
External works

2013

Interior work at the cathedral in particular the high choir
Construction of the organ loft
Casting of the bells
Completion of landscaping

2014

Installation of doors in the cathedral
Works of art are returned
Organ tuning

15 August 2014
Reopening of the cathedral