As a result, Belaúnde also became a government public-housing consultant throughout the country and abroad. In 1943, Belaúnde began teaching architecture and urban planning at Escuela Nacional de Ingenieros of Lima and later became the dean of the Civil Engineering and Architecture department. Belaúnde also directed the construction, along with other professors and students, of the faculty of architecture of the National University of Engineering in 1955.