[1][3] In 1909, the architects Alberto Cruz Montt and Ricardo Larraín Bravo were commissioned to make a preliminary design of the facade of the new building, and in 1919 an open competition was launched by the bank for its construction, which was won by Austrian Alberto Siegel.

The building, an example of the Beaux-Arts architecture style, features a large central hall and well-designed circulation spaces.

The building features four above-ground stories and two basement levels housing an exhibition room.

The decorative ironwork details of the building were manufactured by "Mina Hnos.

", a company which also manufactured ironwork for the Club de la Unión, the Palacio Ariztía and the building housing the Banco Central.