The building is of the Art Nouveau architecture style. The building exterior has allegorical art and stucco. There is a mosaic called Homage to Prague by Karel Špillar over the entrance. On either side are allegorical sculpture groups representing The Degradation of the People and The Resurrection of the People by Ladislav Šaloun.
Smetana Hall serves as a concert hall and ballroom. It has a glass dome. There is artwork by Alfons Mucha, Jan Preisler and Max Švabinský, too.