The architectural language of the building is difficult to enroll in school a style or accurate. From an impressionist attitude, its architecture represents an important attempt to combine various traces of European architectural tradition (that fearing the imminent Second World War, wanted to preserve the European architectural styles) present in the neo-Gothic and neo-Romanesque, modern building to the American way and River Plate character traits and not forgetting that the dome is inspired by the Rajarani temple Bhubaneshvar (Indian, the twelfth century) to represent Tantric love between Dante and techniques Beatriche.El Barolo is also a good example of the aspirations to open the way to a new architecture, overcome the tensions that had reached the historical eclecticism. From a planning point of view, it is a unique piece that demonstrates the ability to combine creativity and respect for the environment. And on a regional scale, with its near-twin, the Salvo Palace Montevideo a monument of the River Plate mystifying civilization at its peak.
Its construction was necessary to ask for special permission because it exceeded almost four times the maximum permitted height for buildings in the area. It was the first Argentine built with reinforced concrete building, the stairs have 1410 steps covered with Carrara marble and decorated with ironwork, stained glass, lamps and moldings, while the walls and columns were covered by granite

The external volume of the building complex is divided into base, shaft and crown. The central motif of the basement is the great passage with impressive portals on both streets, Avenida de Mayo and Hipolito Irigoyen. The shaft or central body work out with a hive of bow-windows terminated by a sort of three-story mansard. The crown corresponds to the tower, insinuated from downstairs, it follows from the general mass of the building to rise isolated, and be topped by a dome where many formal and symbolic resources, Memorial reached the top and are turning summary the image of the building.
Thanks to a significant share of the owners of the building were carried out restoration and conservation to keep the palace style of early twentieth century.
Numbers Palace

4,300 m2 of concrete were used; 8,300 m2 of masonry; 1,400 m2 of flooring material; 1,450 m2 for stucco and tiles, 70,000 bags of cement; 650 tons of iron and 1,500,000 bricks and similar amount of hollow bricks. The total length of the stairs is 236 meters with 1,410 steps.

The elevators (9) and hoists (2) were specially designed.

Thanks to a significant share of the owners of the building were carried out restoration and conservation to keep the palace style of early twentieth century.