House in Caxias by João Caetano Arquitetura: A Modern Fusion of Privacy and Nature

Located in Oeiras, Portugal, the House in Caxias designed by João Caetano Arquitetura stands as a remarkable architectural response to a challenging plot. Completed in 2023, this contemporary residence masterfully balances privacy, landscape integration, and site-specific design solutions.

Architectural Context and Site Challenges

Situated within a masterplan for detached housing, the project adhered to strict guidelines concerning maximum built area, number of floors, and setback distances from neighboring plots. The irregular plot shape and pronounced slope added complexity to the design process. Notably, the best views and larger garden area were oriented towards the north—a direction typically less favorable for solar exposure in this region. Additionally, a mature pine tree near the road served as a natural landmark and a starting point for the design concept.

Design Concept: A Home Embraced by Nature

The architectural approach prioritizes privacy and landscape harmony. The house turns its back to the street, with extended walls creating a protective barrier from neighboring properties. This design ensures seclusion while enabling the interior spaces to embrace the surrounding greenery. Over time, the dense planting scheme will enhance the sense of privacy, blurring the lines between built and natural elements. Bushes soften the structure’s edges, while tree canopies emerge above the walls, merging architecture with vegetation.

A defining visual feature of the house is its pink-toned facade, which contrasts with the lush greenery, emphasizing the architectural volume without disrupting the natural environment.

Spatial Organization and Indoor-Outdoor Flow

The steep slope of the site influenced the house's multi-level composition. The basement level functions as a solid plinth, accommodating a garage, storage, and technical areas. This foundation also integrates the swimming pool terrace, forming a robust base for the upper floors.

On the ground floor, the main living spaces seamlessly connect with the outdoors. Large openings face north towards the swimming pool and scenic views, while a south-facing enclosed courtyard shields the interior from the street. This dual orientation resolves the site’s initial challenge, allowing the home to capitalize on both views and optimal sunlight.

Upon entering the residence, visitors encounter a stark contrast: the solid, closed street facade gives way to an open, light-filled interior. Views extend towards the lush courtyard and the expansive northern terrace. The courtyard thrives with vibrant flora, flooding the interior with colors and fragrances, particularly during springtime. This verdant setting transforms the ground floor into an uninterrupted living experience, where the indoor and outdoor spaces coalesce into a fluid environment for relaxation and social gatherings.

Private Retreats on the Upper Level

The first floor houses the private quarters, with bedrooms benefiting from the favorable southern orientation. Generous windows ensure abundant natural light, while elevated sills and solid shutters maintain privacy. These design elements allow residents to regulate their connection with the outside world, striking a balance between openness and seclusion.

Architectural Significance and Lasting Impression

House in Caxias exemplifies how contemporary architecture can address site constraints while fostering a harmonious relationship with nature. João Caetano Arquitetura has crafted a residence that not only respects its surroundings but also transforms them into an integral part of the living experience. The house’s distinctive pink hue, coupled with the vibrant landscape, creates a timeless aesthetic that redefines suburban living in Portugal.

All photographs are works of Nuno Almendra .