He returned to his father's firm to work as his assistant and designed his first realized building in 1884, pension Oud Leyerhoven, a house in the Vondelstraat in Amsterdam, a street planned by his father and otherwise mostly filled with houses to his design.
He returned to his father's firm to work as his assistant a house in the Vondelstraat in Amsterdam. He designed his first realized building in 1884 a house in the Vondelstraat in Amsterdam. Amsterdam was a street planned by his father and otherwise mostly filled with houses to his design. Pension Oud Leyerhoven was 1884.