He tore down the North and South fortress (Noord- en het Zuidkasteel). While he was mayor of Antwerp, the Athenaeum was built, the Museum of Fine Arts, the Stuyvenberg hospital, the National Bank building in Antwerp, the Court of Justice and the theatre.
He dismantled the North and South citadel (Noord- en het Zuidkasteel). During his time as mayor of Antwerp, he was involved in various construction endeavors including the Athenaeum, the Museum of Fine Arts, the Stuyvenberg hospital, the National Bank building in Antwerp, the Court of Justice, and the theatre.