Mini Atalhada Building / SO Arquitetura & Design

Architects: SO Arquitetura & Design
Area: 35 m²
Year: 2026
Photography: Ivo Tavares Studio
Lead Architects: Bruno Furtado, Gonçalo Blétière Lopes
Co-authors: Margarida Condeixa, Neuza Duarte, Mariana Figueiredo
Interior Design: SO Arquitetura & Design
Landscape Design: SO Arquitetura & Design
Lighting Design: TECNIQ
Visual Identity: SO Arquitetura & Design
Structural Engineering: Teorema Contínuo – Unipessoal Lda
Hydraulic Engineering: Roberto Aguiar
Thermal Engineering: Roberto Aguiar
Acoustic Design: Roberto Aguiar
Contractor: Tecnicouto, Lda
Location: Atalhada
Country: Portugal

MINI ATALHADA transforms a former 13-square-meter storage building into a compact studio dwelling with approximately 35 square meters of gross floor area. Designed by SO Arquitetura & Design for its own architects, the project uses vertical organization to overcome the severe limitations of its original footprint. A lightweight perforated-metal stair connects a series of levels while maintaining visual continuity and allowing daylight to penetrate the interior. The lower portion accommodates the entrance and supporting functions, sleeping spaces occupy intermediate levels, and the upper floor combines living, working, and food preparation areas. Exposed reinforced concrete, light timber, black-framed openings and dark ceramic surfaces establish a restrained material language. Custom-built furniture integrates storage and domestic functions directly into the architecture, minimizing unused space. Openings orient the interior toward the surrounding landscape and sea, while artificial lighting emphasizes the stacked arrangement after dark. The project positions compact housing as an opportunity for architectural precision, resource efficiency, and alternative approaches to contemporary domestic life.

The defining condition of MINI ATALHADA is the decision by SO Arquitetura & Design to develop the dwelling for its own architects. This removed the distance normally present between designer and client, turning the conversion into an internal examination of how domestic architecture performs when almost every spatial decision has measurable consequences. The existing storage structure, positioned within a consolidated urban frontage in Atalhada and close to the southern coast of São Miguel, provided a tightly defined framework rather than an open-ended building site. Its limited dimensions established the fundamental question of the project: how can a complete home emerge when conventional assumptions about floor area no longer apply?

With horizontal expansion largely unavailable, the architects organized the dwelling as a vertical sequence. The compact footprint is extended through several levels, allowing the 35-square-meter home to accommodate a range of domestic activities without dividing the interior into a conventional series of rooms. This sectional strategy also gives circulation an architectural role. The staircase, constructed from perforated metal sheets with timber treads, occupies as little visual and physical weight as possible. Its transparency allows light to move through the house and preserves connections between levels, transforming what could have been a spatial obstruction into an element that binds the interior together.

The organization of the program responds to the qualities of each level. The lower portion establishes the connection with the street and accommodates the entrance and supporting functions, while the sleeping areas occupy intermediate floors. Above them, the living, working, and food preparation spaces take advantage of greater natural illumination and stronger visual connections with the surroundings. Rather than assigning each function to an isolated room, the design treats the dwelling as an interconnected system. Bespoke built-in furniture incorporates storage and domestic functions into the architecture, reducing visual clutter and eliminating residual areas. The approach allows individual elements to serve several purposes while maintaining a coherent interior.

The material palette reinforces this sense of integration. Exposed reinforced concrete preserves the structural character and tactile quality of the building, while light-colored timber introduces warmth to the interior and softens the mineral surfaces. Black window frames and metal components provide definition, complemented by dark ceramic finishes that add depth and contrast. Light is similarly integrated into the architectural strategy. Openings frame views toward the surrounding landscape and sea while visually extending the compact interior, and the perforated stair permits daylight to reach deeper into the vertical arrangement. After dark, integrated artificial lighting reverses the relationship, allowing the illuminated levels to become visible through the facade.

Beyond its specific spatial solution, MINI ATALHADA examines the relationship between housing, resources and architectural quality at a time when land and construction costs increasingly constrain domestic space. The project does not treat reduced area simply as a limitation, but as a condition requiring greater coordination between structure, circulation, furniture, equipment, lighting and material. Its transformation of a 13-square-meter footprint into a complete dwelling demonstrates how spatial efficiency can emerge from careful design rather than from the accumulation of floor area. In Atalhada, the resulting home uses verticality, transparency, framed views, and a controlled material palette to establish a compact but distinctive domestic environment, presenting architectural precision as an alternative measure of residential quality.