The facade of the house Osambela is neoclassical, reminiscent of the Rococo. Sample 5 balconies, Louis XVI style, decorated with garlands and accompanied by 3 balconies sill. At the top is a gazebo covered by a small dome silhouette Muslim.  On it the great scholar of Lima, architect Hector Velarde, said:  "Although the house was completed between 1803 and 1805 in its present form, the eighteenth-century architecture remains perfectly still and looks much of the finery of Louis XVI and reminiscences of Louis XV; cover with neoclassical pilasters with garlands Ionic capitals, typical of the style, arch in segment of a circle, perillones cup shape flowers, overlapping central entry openings on three floors with plastic and vertical continuity of low relief in the French manner. It is remarkable that this sense of verticality is accentuated even more by the lookout, as Lima, who tops and exalted, by contrast, and so eloquently, broad and horizontal rhythm of the facade. That minaret, covered by a small dome silhouette Muslim, it seems that the first owner of the house, the Spanish banker Osambela binoculars watched the entrance of the galleons to Callao ... ".