 His renovation (started in 1832) of the medieval Bouchout Castle at Meise, near Brussels, included not only Gothic Revival additions but also the earliest example of Flemish Renaissance Revival interior architecture in Belgium.Suys was also engaged in urban-scale projects, notably the project for the Leopold Quarter (Quartier Léopold), commissioned to him in the 1830s and carried out in the following years.Eventually Suys continued to design other buildings in the new quarter designed by him.