He first made his mark while working for the Norwegian State Railways from 1878 to 1881. He mainly designed station buildings in Østfold and Vestfold, including Skoppum, Stokke, Sandefjord, and Porsgrunn. He then returned to Kristiania, having already drawn Uranienborg Church in 1880. In 1894, he gained fame for the dragon style sanatorium at Holmenkollen sanatorium (today known as Holmenkollen Park Hotel). As city architect from 1898 to 1920, he also drew several schools.[4]