This work analyzes the change in quality of the urban open spaces within the city of Lima, Peru. Through the investigation of three separate urban environments, it becomes clear what the original objectives and overarching purposes were behind the constructive-spatial structures which further emphasize the urban planning freedom of architects and urbanists. The open space planning analysis aspect of this work was performed using the residential neighborhood of San Felipe in the district of Jesús María, a portion of the Cuarto Programa in the district of El Agustino, and the multi-story residential building Nafisini in the district of Jesús María. On the outskirts of the city, the open spaces disappear through occupation and partly state-supported urbanization developments. In the central region, densification is promoted by the municipality and district administrations and ought to be the formula for city growth. Besides these, there exist public housing projects from the forties through the sixties which remain a part of the city landscape. Through the use of literature analysis and interviews with experts, these examples provide the essential stimuli required for the devel-opment of urban open spaces within the city of Lima. As part of a final step, the scope level of this work is evaluated via planning instruments used in the Barrio Mio participative program and potential local recreation areas such as the Lo-mas. The final outcomes of this work and the investigation performed are summarized with-in the conclusion.