#housearchitecture

The Steel House by Max Núñez Arquitectos falls under the classification of a modern greenhouse and is placed in Pirque, Chile. It has been designed as a pavilion of today, combining practicality with a touch of architectural elegance. The edifice provides a place for the growth of tropical plants in a semi-arid climate area.

Project Overview

The greenhouse's full measurement is 11.4 x 11.4 meters, and it is placed on a pedestal which makes it look like a glass box that is floating. The modernist pavilions were the source of inspiration for the design; they consist of a steel frame and glass block vaults. The complete wall of glass allows to the user and the surrounding nature to be in one non-separate place.

Design Concept

The design of the greenhouse is all about minimalism and practicality. The roof of glass blocks filters sunlight so that a very light but warm atmosphere is created within the room. The steel frame is left visible which is the reason for the industrial look of the building. The area is setup around a central garden which is sunken, while a walkway along the perimeter allows easy access to the plants.

Material and Structural Strategy

An open-frame steel structure supports the building with inverted V braces which provide visual interest. The roof is composed of two barrel vaults made of glass blocks that provide sufficient light for the plants while controlling the humidity inside for their growth. The building has an automated heating, ventilation, and irrigation system that creates ideal conditions for the plants all year long.

Table: Key Features FeatureDescriptionDesignModernist pavilion-inspired structure with glass block vaultsMaterialsExposed steel frame and glass blocksFunctionalitySpace for cultivating tropical plants in a controlled environmentClimate ControlAutomated system for heating, ventilation, and irrigation Community and Cultural Impact

The Steel House serves mainly as a private greenhouse but at the same time it is a sign of the trend of sustainable architecture and going green. It is an example of a modern house in which the use of new materials and techniques the inarchitect, through close coordination between different spheres and players, managed to create a space which is functional and at the same time beautiful.

✦ ArchUp Editorial Insight

The Steel House is a perfect example of a sophisticated conversation between structure, nature, and light. Designed as a modern-day pavilion, it considers the greenhouse type to the utmost through employing a minimal steel frame and using translucent glass blocks for vaults. The floor plan gives a clear geometric order, and it's the perfect balance between precision and openness.

The project points out the expressiveness of industrial materials. Steel and glass that aren't hidden cast a transparent envelope that gives a little protection and shows the cultivated interior, plus the automated environmental system makes the plants comfortable in a semi-arid climate. Therefore, it's a combination of engineering logic and poetic clarity.

This project is a functional area and a sphere that communicates architecture through the language of silence. It proves that the honesty of materials and the control of geometry can yield elegance without being lavish, thus reconfirming the timelessness of structural transparency and environmental sensitivity in modern-day Chilean architecture.

Conclusion

The Steel House of Max Núñez Arquitectos is the complete integration of modern design and practical functionality. It has become a reference in greenhouse architecture of today, and through its design, it is able to enrich not only the users but the environment as well.

The photography is by Cristóbal Palma / Estudio Palma.

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A fully glazed corner offering panoramic views of Barcelona and the Balearic Sea defines the coastal Barcelona House, a project by UK-based Ström Architects. Inspired by California’s modernist Case Study Houses, the design emphasises restraint, simplicity, and immersion in the natural setting. Commissioned by a private client, the brief called for a "quiet luxury approach," ensuring that the house would enhance the experience of its landscape rather than overwhelm it with architectural gestures.

The house sits on a sloping coastal plot, where site restrictions influenced its two-level layout. Ström Architects responded by developing an "upside-down" arrangement: guest bedrooms and service functions are integrated discreetly on the lower floor, while the upper floor is designed as a light-filled pavilion. This level accommodates the main bedroom and expansive living areas that flow seamlessly onto a terrace with an infinity pool, all overlooking the sea through sliding glazed walls.

Barcelona House is not only a residential retreat but also a statement on essentialist architecture. It strips away detail to focus on light, horizon, and the interplay between inside and outside. Every material, from exposed concrete to timber and local stone, has been chosen to perform within the Mediterranean climate while reinforcing the project's ethos of simplicity and calm. The result is an architecture of restraint, anchoring itself in the hillside while projecting out toward the infinite horizon.

Design Vision and Concept

The central idea was to eliminate unnecessary detail and allow the architecture to dissolve into its surroundings. The glazed corner, inspired by Pierre Koenig’s Case Study House 22 in Los Angeles, is both a visual anchor and a symbolic gesture, tying Barcelona House to the lineage of experimental modernist homes that challenged conventional boundaries between interior and exterior space.

Spatial Organisation

The house employs an "upside-down" strategy. The lower level, embedded into the hillside, contains guest bedrooms, service rooms, and a spacious garage. This keeps practical functions hidden and maintains a clean, elegant upper volume. The upper floor acts as a pavilion, where long open rooms connect directly to terraces and the infinity pool. The continuity between inside and outside defines the visitor’s experience, making the house feel like one expansive plane suspended above the sea.

Material Palette

Material choices reinforce the philosophy of essentialism. The roof and floor slabs are cast in concrete, providing thermal stability and structural clarity. Timber planks line ceilings and façades, introducing warmth and natural rhythm. Local stone clads the lower floor, grounding the structure in its context. Internally, concrete walls remain exposed in some areas, balanced by timber joinery in the kitchen and living spaces. Each material performs both environmentally and aesthetically, underscoring durability and simplicity.

Relationship to Landscape

By embedding part of the structure into the slope, the architects preserved views and created a discreet silhouette. From above, the lower level is almost invisible, and the house reads as a floating pavilion. The glazed corner frames panoramic views of the Balearic Sea, ensuring that the horizon, not the building, is the protagonist. The infinity pool extends this effect, blurring the boundary between architecture, water, and landscape.

Structural Expression

The most striking gesture is the cast concrete roof projecting over the glazed corner, supported by a single slender column. This engineering solution maximises unobstructed views and reinforces the pavilion-like character. It is a contemporary reinterpretation of modernist structural daring, expressing lightness through minimal supports while ensuring robust performance against Mediterranean conditions.

ElementDesign ApproachUpper floorMain bedroom, living areas, infinity pool, terracesLower floorGuest bedrooms, plant room, garage, support spacesMaterial paletteConcrete slabs, timber planks, local stone, glazed facadesKey referenceCase Study House 22 (Stahl House) by Pierre KoenigClient requestQuiet luxury with focus on landscape views Interior Atmosphere

Interiors follow a minimalist and uncluttered ethos. Walls alternate between raw concrete and timber surfaces. The open-plan living area flows onto terraces through sliding doors, creating continuity between the domestic interior and the natural environment. Furniture and finishes are kept understated, reinforcing the idea of "quiet luxury" where the sea views remain the focal point.

Climate Responsiveness

The Mediterranean climate influenced every material choice and spatial decision. Concrete provides thermal mass, stabilising temperatures, while timber softens interiors and reduces glare. Full-height glazing captures views but requires careful shading strategies, partially provided by the projecting roof slab. The balance between exposure and protection is critical to achieving comfort and sustainability.

ChallengeSolutionSloping siteTwo-storey structure, lower level buried into slopeMaximising viewsGlazed corner with minimal supportsClimate responseConcrete mass, timber finishes, shaded glazingClient request for quiet luxuryMinimalist interiors with focus on horizon and sea

Architectural Analysis

Barcelona House demonstrates how essentialist design can achieve both elegance and functionality. The inverted plan cleverly addresses the sloping site, allowing the main floor to float as a pavilion. The use of a glazed corner recalls iconic modernist precedents but is reinterpreted for Mediterranean conditions.

While visually powerful, the design raises questions about thermal performance and privacy in fully glazed areas. These challenges can be constructive, encouraging architects to integrate advanced glazing technologies and shading systems. The restraint in detail and material expression reinforces the notion that contemporary can achieve richness through simplicity rather than ornament.

Ultimately, the project shows how clarity of form, structural economy, and sensitivity to context can create a timeless residential typology.

Project Importance

For architects and designers, Barcelona House is a study in restraint and essentialism. It illustrates how residential projects can foreground the landscape while maintaining a distinct identity. The quiet luxury approach resonates in an era when sustainability, context, and user experience often outweigh the pursuit of overtly iconic forms.

Typologically, the project contributes to the ongoing discourse on pavilion-style houses. It expands this lineage by embedding part of the structure into the landscape while keeping upper levels airy and open. In contemporary practice, this balance matters as more projects seek to harmonise environmental performance with experiential richness.

Its relevance lies in offering a model of residential where architecture recedes to foreground light, views, and atmosphere. The lessons of Barcelona House are especially pertinent to coastal regions facing both environmental pressures and demands for luxury housing that remains responsible and context-aware.

✦ ArchUp Editorial Insight

Barcelona House achieves a refined clarity, combining exposed concrete, timber, and glazing to create a pavilion of restraint. The glazed corner directly references modernist precedents, yet its Mediterranean adaptation is notable. One constructive critique lies in the heavy reliance on full-height glazing, raising questions of long-term environmental performance and privacy. However, this very tension encourages innovation in material technology and adaptive shading. Ultimately, the project delivers a strong architectural narrative that prioritises horizon, atmosphere, and spatial continuity.

Conclusion

Barcelona House by Ström Architects demonstrates the enduring relevance of modernist principles when adapted to contemporary conditions. By reducing form to essential elements, the design prioritises light, horizon, and continuity of space. The inverted layout addresses site challenges while amplifying the experience of the upper pavilion. Materiality reinforces durability and calmness, rooting the home in both its hillside and its climate.

For architectural discourse, the project shows that luxury does not have to rely on excess. Instead, quietness, restraint, and attention to the natural setting can yield profound spatial experiences. The glazed corner, infinity pool, and seamless transitions between inside and outside invite both admiration and reflection on the balance between openness and enclosure.

As a reference point for architects, Barcelona House is more than a private residence. It is an exploration of how essentialist architecture can respond to climate, context, and client aspirations without compromising simplicity. It strengthens the dialogue on how coastal housing can achieve elegance, responsibility, and timelessness, making it a valuable contribution to global architectural practice.

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ArchUp offers daily updates on top global architectural exhibitions, design conferences, and professional art and design forums. Follow key architecture competitions, check official results, and stay informed through the latest architectural news worldwide. ArchUp is your encyclopedic hub for discovering events and design-driven opportunities across the globe.

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