In 1872, after his marriage to Claire Lammens, he moved to Ghent and dedicated himself to arts and crafts in the Gothic Revival style.
[2] The guild helped shape his attitudes both to social questions and to arts and crafts.
He worked closely with Henri Geirnaert, who taught at the Sint-Lucas School of Architecture.
During the First World War he remained in occupied Belgium, communicating sensitive military information to the government-in-exile.
A few days before Verhaegen's death, the exiled King Albert declared him a baron and a grand officer of the Order of Leopold.