The Sá da Costa House, designed by architect Gonçalo Byrne, is a masterful response to the constraints and opportunities presented by its location in Alvalade. Byrne’s vision was to create a harmonious balance between built space and nature, despite the neighborhood’s regulations that favor pavilion-style solutions with limited outdoor areas. The architect’s innovative approach involved leveraging the plot’s natural unevenness to strategically position the building’s height along the street front. This design choice allowed for a compression of the structure towards the north and east, effectively freeing up a generous garden space to the south.

Byrne’s design philosophy emphasizes the integration of architecture with its environment, creating a seamless transition between indoor and outdoor spaces. The house opens onto the garden, blurring the boundaries between the interior and the lush exterior, which serves as a private oasis for the residents. The use of natural materials and thoughtful spatial arrangements enhances this connection, providing a serene and inviting atmosphere.

The building’s interaction with its surroundings is further highlighted by its orientation and the careful consideration of light and shadow. Large windows and open spaces allow for an abundance of natural light, creating dynamic and ever-changing interior environments throughout the day. Byrne’s design not only meets the client’s requirement for a large built area but also elevates the living experience by prioritizing the quality of space and the relationship with nature.

In Byrne’s own words, “Architecture should not only shelter but also inspire and connect us to the world around us.” The Sá da Costa House exemplifies this ethos, standing as a testament to the power of thoughtful design in overcoming site challenges and enhancing the human experience.