Located in Porto, Portugal, the Costa Cabral residential building—developed by ENTRETEMPOS + ATA Atelier—fills an urban gap by interpreting the building heights and construction choices of neighboring structures.

In terms of volume, the project aligns its façade with the street line, while a setback at the roof level ensures both continuity to the north and a volumetric transition to the south.

The layout of the residences designed by  ENTRETEMPOS + ATA Atelier is organized around two main elements: the vertical circulation cores and a courtyard that spans the full height of the building. The design emphasizes a connection with open spaces.

The open-plan, permeable ground floor allows the interior to open up toward the street. The courtyard plays a vital role in the building's bioclimatic performance: it admits natural light into the kitchens and bathrooms and facilitates cross-ventilation within the apartments.

Engaging with the urban context, the facades seek to reinterpret the vertical and horizontal architectural elements of surrounding buildings through the use of a single material expressed in various ways.

Costa Cabral Building by ENTRETEMPOS + ATA Atelier. Photograph by Ivo Tavares Studio.

Costa Cabral Building by ENTRETEMPOS + ATA Atelier. Photograph by Ivo Tavares Studio.

Project description by ENTRETEMPOS + ATA Atelier

The project intents to solve the urban void by constructing a building that takes as reference the heights, alignments and constructive principles of the adjacent structures. As such, the building was designed to sit flush with the street façade, in continuity with the dominant morphology of the street, but ending with a recessed top floor that ensures both continuity to the north and a volumetric transition to the south.

Given the proportions of the plot — narrow yet deep — two structuring elements are positioned along the central axis of the building, defining both its planimetric and altimetric organization: the vertical circulation cores and a courtyard that extends through the full height of the building.

Costa Cabral Building by ENTRETEMPOS + ATA Atelier. Photograph by Ivo Tavares Studio.
Costa Cabral Building by ENTRETEMPOS + ATA Atelier. Photograph by Ivo Tavares Studio.

This void plays an profound role in the bioclimatic function of the project, once it allows natural light to enter the internal kitchen and bathroom areas, enables cross ventilation in the apartments, and, through the gate to the parking floor, admits natural air along the entire building. This passive strategy results in a significant improvement in the building’s energy efficiency, enhancing comfort and reducing dependence on conventional mechanical systems.

The façades composition seeks to reinterpret the vertical and horizontal constructive elements of the surrounding buildings through the use of a single material with distinct expression: in the first case, through prefabricated concrete panels, attached on different plans, in a calculated tetris; in the second, through exposed in situ concrete marking the slabs, the irregular balconies or parapets.

Costa Cabral Building by ENTRETEMPOS + ATA Atelier. Photograph by Ivo Tavares Studio.
Costa Cabral Building by ENTRETEMPOS + ATA Atelier. Photograph by Ivo Tavares Studio.

The ground floor embraces visual permeability, deliberately revealing its interior to the street.

Finally, the backyard is divided into two areas of approximately equal size: one with direct access from the ground floor, and the other reached by a walkway at the upper floor, establishing a more democratic strategy for accessing the exterior areas.

More information

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Architects
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ENTRETEMPOS. Lead Architect.- Vitor Preto Fernandes.
ATA Atelier. Lead Architect.- Tiago Antero.

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Project team
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Abilio Silva, Maria Rodrigues, Stefano Morini.

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Collaborators
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Structure.- STUCCO.
Eletric/ Communications / Fire Safety / Elevators.- SPSEBIM.
Fluids Engineering.- Luisa Miguel.
Thermal / Ventilation Engineering.- GET.

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Builder
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ENTRETEMPOS.

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Area
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1,400 sqm.

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Dates
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2026.

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Location
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Porto, Portugal.

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Photography
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ENTRETEMPOS is an architecture and photography studio based in Porto, founded by Vitor Preto Fernandes in 2021.

As an architecture studio, each project is conceived as a dynamic process rooted in a deep interpretation of the existing context, aiming to provide a clear, pragmatic response to specific needs. They view architecture as an opportunity to improve the physical and social conditions of a site through integrated, sustainable, and innovative solutions.

In its photographic practice, ENTRETEMPOS explores the visual power of the void, adopting a critical perspective on the moment—or phase—when architecture is typically photographed. Instead, it proposes documenting the periods during which the primary transformations of the space—and the place—occur, along with the associated social interactions: the construction phase ] – 1 [ and, ultimately, the phase of its use ] +1 [.

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ATA is an architecture atelier based in Porto, Portugal, founded in 2021 by Tiago Antero de Sousa. It emerges from an awareness process towards an eidetic reduction of the architectural practice. It comes from the search for the subjective essential acts of design, based on an analytical method as the main tool for the project work, in which the place and the intervention's relationship with it gain particular prominence. This way, it seeks to promote better responses, not only in relation to the needs and programs that are required but also in its functional and formal relationship with the city.

Team: Tiago Antero, Abilio Silva, Pedro Queirós, Francisco Soares, João Albergaria, Eleftheria Petropoulou, Tiffany Uno, Ábel Laki.

Tiago Antero. Architect by the Department of Architecture of the University of Coimbra (DARQ-FCTUC) with an exchange year at Katholieke Universiteit on Leuven. He worked in Pedra Líquida (2013-2016). He was the cofounder of Cubículo Arquitectos (2016-2021). Finally, in 2021 ATA was founded. In addition, he has been a tutor and guest speaker at several workshops in Porto and Coimbra.
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Published on: September 29, 2026
Cite:
metalocus, AGUSTINA BERTA
"In dialogue with the urban setting. Costa Cabral Building by ENTRETEMPOS + ATA Atelier" METALOCUS. Accessed
<https://www.metalocus.es/en/news/dialogue-urban-setting-costa-cabral-building-entretempos-ata-atelier> ISSN 1139-6415
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