Designer House is a full interior architecture project transforming a plain Delft apartment into a home of character and refined contrasts. The intervention covered every room: entrance, kitchen, living room, bedroom, and bathroom. Key architectural decisions included the design of a concealed walk-in wardrobe behind a bold yellow curtain, the integration of a sauna-inspired bathroom with wood, iron, and a century-old Delft blue ceramic basin, and the layered composition of living spaces balancing heritage furniture, original artworks, and contemporary design pieces.