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David Bastos's Condominio Cascais Residential Building emerges as a masterful composition of interlocking geometric volumes captured during the luminous golden hour, where warm amber light cascades…

Condominio Cascais Residential Building by David Bastos is a highly esteemed winner of the very prestigious 2026 Silver A' Design Award in Construction and Real Estate Projects Design Competition Category.


SilverReal Estate· 2026

Condominio Cascais Residential Building

by David Bastos

Client: DB Arquitetos

Silver A' Design Award Winner in Real Estate Category

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Verified Award Winner

Verify Award Status for #177103

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The Design

About Condominio Cascais Residential Building

Condominio Cascais is a residential development in the coastal region of Cascais, Portugal, designed by Brazilian architect David Bastos. Set on a sloping site overlooking the Atlantic, the villas are arranged in terraces to preserve open views toward the sea and the Farol da Guia. Each unit integrates private gardens and pools within natural stone and wood structures. The design connects architecture and landscape, emphasizing openness, privacy, and continuous contact with nature.

The Recognition

About the Silver A' Design Award

Condominio Cascais Residential Building is a Silver A' Design Award winner, an extraordinarily prestigious recognition granted to top-of-the-line, gorgeous, and impressive designs. Silver winners are tremendously brilliant and exceedingly creative works that illustrate the outstanding expertise, talent, and acuity of their designers. Condominio Cascais Residential Building is expected to be a wonderful, showpiece work that is remarkably professional and profoundly innovative. This Silver A' Design Award-winning design is a highly notable, admired invention that benefits and advances the boundaries of art, science, design, and technology. Condominio Cascais Residential Building is a vastly envied creation that evokes desires, introduces positive feelings, and sparks amazement and wonderment.

Interviews

Grand Interview

The Condominio Cascais Residential Building represents a remarkably confident act of cross-cultural architectural translation, in which a Brazilian design sensibility rooted in tropical modernism, open-plan living, and a deep reverence for natural materials was brought to bear on a demanding Atlantic coastal site in Portugal. Given that your practice has spent decades developing what you describe as the "rustic with sophisticated" philosophy, what was the defining conceptual moment during the development of the Condominio Cascais Residential Building when you knew that the tropical modernist language you had cultivated in Brazil could genuinely speak to the character, climate, and coastal identity of Cascais?

For me, design has never been about replicating shapes, but about capturing the atmosphere of a place. When we began designing the Cascais Condominium, the turning point was realizing that the Cascais summer and the desire for outdoor living spoke directly to our Brazilian essence.The 'rustic yet sophisticated' philosophy became the key to connecting these two worlds. The sophistication lies in the clean lines, the contemporary architecture, and the intelligent layout that keeps the surface free of cars to prioritize pedestrians. The rustic element—or rather, the warmth—comes from the meticulous selection of natural materials like stone and wood, which bring texture and warmth to the demanding Atlantic microclimate.We knew this tropical modernist language would work the exact moment we designed the transition from the indoor spaces to the private gardens and pools. We weren’t just importing Brazil to Portugal; we were celebrating Cascais’ contemporary coastal identity through our signature focus on well-being, unpretentious luxury, and a deep connection to the outdoors.

Biophilic design is one of the most debated and frequently misapplied concepts in contemporary residential architecture, yet the Condominio Cascais Residential Building appears to move well beyond the superficial inclusion of greenery or natural finishes, embedding the connection to nature into the very structural and spatial logic of the project through terraced gardens, private pools, elevated walkways, and layered planting that creates genuine sensory immersion. How did you ensure that biophilic design in the Condominio Cascais Residential Building functioned not as an aesthetic gesture but as a lived, daily experience for each resident, and what specific spatial or material decisions most powerfully achieved that depth of connection?

True biophilia is not about green decoration; it is about how architecture mediates the human relationship with the environment. To ensure that Cascais Condominium delivered a genuine, daily sensory experience, nature was treated as a structural layer of the project, rather than an afterthought.The most powerful spatial decision was the complete elimination of cars from the surface, moving all vehicular circulation underground. This allowed us to create a continuous ground-level ecosystem, where residents walk along elevated walkways that float over a lush, layered landscape. The transition into the homes happens without visual barriers: large glass panels slide entirely into the walls, directly merging the living areas with private gardens and pools.Materially, we utilized the tactile quality of raw local stone and slatted wood, which filter the intense Atlantic light and create a dynamic interplay of light and shadow throughout the day. The terraced gardens with layered plantings act as natural acoustic and visual filters, ensuring mutual privacy between units while connecting the resident's view to greenery and the sky upon waking up. Biophilic design here is experienced through the freely circulating breeze, the sound of water, and the texture of materials that will age gracefully against the coastal climate.

The terraced arrangement of the Condominio Cascais Residential Building, in which units are staggered across a steeply inclined site with displaced circulation roads specifically engineered to prevent lower villas from obstructing the sightlines and privacy of upper villas, is a quietly brilliant piece of site planning that resolves what could have been an intractable conflict between topography and the equal right of every resident to an unobstructed view of the Atlantic and the Farol da Guia. Could you walk us through the precise design reasoning that led to the displaced road strategy rather than a reorganization of the unit positions themselves, and how did that structural decision cascade through every subsequent spatial and experiential choice in the Condominio Cascais Residential Building?

The steep topography of Cascais and the iconic views of the Atlantic and the Guia Lighthouse could not be treated as a privilege for only a few units; they were the right of the entire condominium. If we had reorganized the position of the villas in a conventional manner, we would have inevitably created an undesirable hierarchy, where the rear homes looked directly onto the roofs of the ones in front.The reasoning behind the offset circulation road strategy was to use the condominium's urban infrastructure as a transition and buffering element. By shifting the circulation axis to create this strategic clearance, we gained the necessary distance for the natural terracing of the land to work in our favor. The road acts as a physical and visual 'breather.'This structural decision resonated throughout the entire resident experience: it allowed us to design the terraces and roofs of the lower villas as true suspended backyards and continuous green planes, which complement the view from the upper villas rather than obstructing it. Furthermore, by aligning this strategy with the underground vehicle circulation, we ensured that this offset surface space remained purely pedestrian and landscaped. The result is that every resident, regardless of the terrain elevation their home sits on, enjoys the same sense of amplitude, absolute privacy, and uninterrupted connection to the Atlantic horizon.

Read the Full Interview

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties
This luxury residential project in Cascais, Portugal, is situated on an inclined plot of land with all of the houses oriented to maximize views of the sea and the Farol Santa Marta. The project presents two types of layers: two-and-a-half-acre units with piscines in the area of the highest floors and three-and-a-half-acre units with piscines in the area closest to the sea. This approach maximizes each resident's perspective. Using brise-soleil and elevated points in an exuberant landscape, the architecture combines natural, wood and glass with contemporary design solutions.
Dimensions & Packaging
The project consists of luxurious apartments with escalated typologies, such as units of two or three floors. The units in the upper slope of the land consist of two pavements with private pools. The units in the lower of the land consist of three pavements with private pools with an infinite border in the covered area and extensive wood terrain. The building incorporates energy-efficient systems, such as electrical isolation, integrated LED lighting, and water collection for irrigation, supporting deep paisagism All of the units are oriented along the shoreline for maximum exposure to the sea.
Tags
Luxury Residential, Condominium, Cascais, Portugal, Sea View, Farol da Guia, Modern Architecture, Biophilic Design, Indoor-Outdoor Living, Rooftop Pool, Private Garden, Elevated Walkways, Brise-Soleil, Contemporary Villas, Sloping Terrain.
Production Technology
The project's execution makes use of a contemporary concrete structure equipped for the volumes in the balancing of several avenues and subterranean storage. The facade combine high-quality natural materials, wood composts, and high-performance, low-emissivity video extensions. The solar protection characteristics are achieved by the use of brise-soleil metal that is manufactured under pressure or with perforated paints. Paisagism was designed to give residents privacy in layers supported by large wall of land containment and integrated drainage systems.
Design Challenge
The most challenging task was to simultaneously optimize views and privacy in each unit while successfully adjusting to the terrain's inclination, Since the idea was for all the houses to face the sea and see the Farol Santa Marta, building houses in rows was unfeasible. In order to prevent the lower homes from obstructing the upper homes' view and compromising their privacy, the solution was to create roads displaced for the construction of the houses and place the pools in different levels.
Research
Research focuses on maximizing the unique panoramic views of the area sea and Farol Santa Marta. while minimizing the effects of the inclined terrain and strong coastal sunlight. This led to the development of two different, but similar, types of houses and their strategic placement: the lower units gain altitude for the view through several avenues and the piscina in the cover, while the higher units maintain the connection with the sole. The local climate analysis informed the design of a brise-soleil system to control solar and ventilation, ensuring comfort in external spaces and with a video facade.
Inspiration
The design was primarily inspired by the resort's contemporary architecture and Biofílico design (connection with nature). It blends elements of tropical modernism, such as the use of open spaces, natural materials, and sun management through the use of telas and beaars, with the experience of life in the elevated passarelas. The idea is to create a quiet, solitary, and sophisticated environment.
Project Duration
The project was conceived in November 2017 and completed in November 2021. The project is located in Cascais, Portugal, while the design work was completed in Salvador-BA, Brazil.
Operation Flow
The user interacts with the condominium as a highly private and integrated resort community. The residents enter through a controlled access point that leads to the subterranean establishment. From this point forward, the vertical access leads directly to the homes. The pedestrian flow is controlled by dedicated walkways and elevated, exclusive points that serve as platforms for circulation and observation, connecting units to common amenities like playgrounds, fogueiras, and natural gardens. The main interest is the perfect life both inside and outside, with large windows that open directly to private areas for land, gardens, and piscinas, all of which are enhanced by the expansive view of the sea
Image Credits
Professional photographs from Fernando Guerra

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