He designed several churches, but spent the majority of his career working on the restoration of the historic Nidaros Cathedral.

From 1898 onwards, he worked as Christian Christie's assistant at the major restoration project for the Nidaros Cathedral.

After Christie's death in 1906, when he even became the temporary leader, cathedral architect, and artistic director until 1909.

He also led the excavation at Munkeby Abbey as well as the improvements of Steinvikholm Castle and the Old Sakshaug Church.

He also prepared plans for the restoration of Tingvoll Church which began shortly before his death and continued after he died.