Casa Oeiras, OODA. Image © Fernando Guerra FG+SG
Patio houses embody one of the most enduring architectural typologies, encapsulating the duality of openness and seclusion while nurturing a profound connection with nature. While the term is also used in contemporary American real estate to describe low-maintenance, single-story dwellings on small lots, its classic architectural meaning refers to an introverted design organized around a private, central courtyard. It is this traditional form, the subject of this article, that traces its origins back thousands of years. Patio houses emerged independently in various regions, responding universally to fundamental human needs: privacy, climatic adaptability, and spatial coherence. Despite diverse geographic and cultural expressions, the core principles of introversion, controlled openness, and environmental sensitivity remain remarkably consistent throughout the evolution of this typology.