Photographer Gonzalo Viramonte
Architect Santiago Bertotti
Interior Designer Santiago Bertotti
Landscape Design Blas Spina
Developer Monjo Arquitectura
Products and Materials EGGER
Products and Materials Canteras del Mundo
Casa BP is a quiet yet powerful architectural gesture, shaped by the rhythms of land and light. Rather than asserting itself, the house settles into the rural terrain, allowing matter, atmosphere and horizon to define its identity and emotional resonance.
Set within a vast rural environment, Casa BP establishes its presence through alignment rather than contrast. The main volume is arranged in a strictly longitudinal configuration, following the dominant edges of the site and reinforcing a sense of order within the open landscape. This linearity is not arbitrary; it is a response to the land itself, extended over a green platform that accompanies the natural slope of the terrain. By working with the existing relief instead of against it, the house achieves a grounded condition, appearing almost carved into the site. The architecture becomes legible as part of the land system, reinforcing continuity between built form and territory. The project is structured around two clear and simultaneous formal operations that define its architectural character. The primary body is conceived as a monolithic volume, articulated through continuous walls finished in earthy tones. This mass presents a nearly blind facade toward vehicular access, offering privacy, thermal stability and a sense of containment. In contrast, the opposite facade opens entirely toward the landscape, dissolving into glass and shaded transitions. This duality between opacity and permeability establishes a powerful spatial narrative, where the house protects itself from one side while fully embracing the horizon on the other.
Complementing the main volume is a secondary pavilion, subtly detached and expressed through a lighter, more contemporary language. Defined by black metal joinery, generous glazed planes and horizontal sun screens, this structure introduces transparency and rhythm without competing with the solidity of the primary body. Its metal structure and filtered light create spaces that feel open yet controlled, offering visual connection while managing solar exposure. This pavilion enriches the composition through contrast, reinforcing the dialogue between weight and lightness that runs throughout the project.
The social life of Casa BP is organized around an integrated core that brings together living room, dining area and kitchen into a single continuous space. Conceived as flexible and fluid, this central zone encourages interaction and adaptability, allowing daily life to unfold without rigid boundaries. Directly connected to this interior space is a longitudinal gallery that runs parallel to the main volume. Oriented toward the landscape, the gallery extends the social realm outward, transforming the exterior into a natural continuation of domestic life and blurring the line between inside and outside.
The private areas of the house are carefully arranged within the right wing of the main volume, where bedrooms are buffered from social spaces by a linear corridor and the thermal mass of the walls. Openings in this sector are deliberately restrained, using controlled apertures to ensure privacy while maintaining climatic comfort. This measured approach reflects a thoughtful understanding of environmental performance, where architecture relies on mass, orientation and proportion rather than excess technology to achieve stability and comfort throughout the seasons.
Landscape design is treated as an essential architectural component rather than a decorative afterthought. The garden is composed of native species such as grasses, herbaceous plants and local shrubs, arranged loosely with a strong naturalistic intention. This planting strategy reinforces the existing topography and extends the surrounding serrano landscape into the site. By softening the edges of the built volumes and reducing visual boundaries, the landscape allows the architecture to dissolve gently into its context, strengthening its territorial presence while supporting ecological balance.
A linear swimming pool is positioned in direct relationship with the gallery, operating as a horizontal mirrored plane that extends the geometry of the house into the landscape. Its reflective surface captures sky, vegetation and architecture, amplifying the sense of calm and spatial continuity. Rather than acting as a focal object, the pool reinforces the project’s linear logic, becoming another layer through which architecture, nature and light interact in a restrained and elegant manner.
Materiality plays a defining role in the tectonic expression of Casa BP. The primary volume is finished in pigmented cement render with a handcrafted texture, creating a mineral surface that unifies the architecture chromatically. In the gallery, solid wood structures appear through irregular columns and slatted ceilings, adding warmth and tactile richness. The complementary pavilion relies on glass and black metal, with sun screens and louvers modulating transparency. Together, these materials produce an architecture that feels rooted, stable and deeply connected to place.