External facade of the renovated 19th-century industrial building near Vannes station, showing the blend of historic stone and modern aluminum extensions.

Van Station: Adaptive Reuse of a Historic Industrial Complex

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Urban Context and Site Heritage

The project is located in a strategic position opposite the Van railway station, within a historic industrial fabric dating back to the 19th century. The complex consists of an old house, a 44-meter-long hall, and the remains of a former glass roof that once formed part of a winter garden. Despite the Architecture value of the site, it remained abandoned for a long period, leading to a gradual deterioration of its structural and architectural condition.

Deterioration as a Trigger for Architectural Intervention

Over time, the site suffered from evident neglect and degradation of its core elements, placing it in an unstable structural condition, particularly in the main hall, which represents the largest and most sensitive component within the overall composition.

Reactivating Function Through Reinterpretation

In this context, the objective was not merely a conventional restoration, but rather a reinterpretation of the latent potential within the existing structure. The approach therefore aimed to open the site to new and multiple functions, including wellness, work, cultural activities, and dining, within a flexible space capable of adapting to different uses. This aligns with contemporary Design strategies that prioritize adaptability.

The Hall as a Driver of Structural Transformation

On the other hand, the transformation of the main hall became a central axis in the rehabilitation process, coinciding with the treatment of accumulated structural degradation over time, with the aim of restoring balance between preserving the historic fabric and updating its function within a flexible contemporary framework. Such Construction challenges require innovative structural thinking.

FieldDetails
ArchitectsOffice Zola architectes
Area1800 m²
Year2025
PhotographsMaxime Delvaux, Office Zola architectes
ManufacturersALKERN, BEHAR, Coil, Egoluce, Master Industrie, Nora, SBI, Schuco, Sfel, TD ACOUSTIC
Lead ArchitectsLaure Gahéry, Edouard Guyard
Structural EngineeringArest
AcousticsAlhyange
MEP Designkypseli
CategoryMixed Use Architecture, Offices, Sustainability
Construction EconomicsBMF
Fire Safety Systemkypseli
SignageBriand&Bertherau
CityVannes
CountryFrance
Close-up of the glass winter garden and outdoor balcony area in the Maison FLOW project, featuring original stone walls and modern steel railings.
The rehabilitation of the winter garden creates a fluid transition between the historical core and the new functional spaces. (Image © Maxime Delvaux)

Removal as a Tool for Spatial Reconfiguration

As part of the building’s rehabilitation, a decision was made to remove an entire section of the roof along its full length. This intervention was not a mere structural dismantling, but a deliberate act aimed at redistributing spatial potential within the architectural mass.

Introducing Light and Expanding Functional Capacity

This act of removal enabled a series of fundamental transformations; it contributed to the creation of new spaces and increased spatial capacity, while also improving the structural performance of the building. It further allowed natural light to penetrate deep into the interior, while maintaining a key constraint of preventing any opening toward adjacent properties, in accordance with regulatory requirements.

The Inner Courtyard as a New Spatial Core

Through the void created by the removal, a planted courtyard was established, redefining the relationship between interior and exterior. Consequently, a “flexible space” emerged, characterized by a high degree of adaptability and potential for evolution, becoming the building’s vital core and primary spatial driver. This approach reflects principles found in innovative Projects that integrate nature with built form.

Flexibility and Structural Economy

The architectural approach here reflects a clear emphasis on condensation, modularity, and functional flexibility. This is expressed through the distribution of working areas beneath the structural trusses, as well as the introduction of suspended spatial units and multi-purpose halls, enhancing the space’s capacity for reinterpretation according to needs.

Rapid Transformation Systems and Reuse Redefinition

In the same context, the main event hall was equipped with technical elements enabling rapid spatial reconfiguration, such as a retractable tiered seating system accommodating up to 140 seats, in addition to a movable partition connected to safety systems. Thus, the space can be reconfigured within minutes. This level of versatility is often highlighted in Architecture Competitions focused on adaptive reuse.

The Hidden Infrastructure as a Driver of Flexibility

Moreover, these invisible engineering systems reinforce the notion of adaptability and reversibility, generating a layer of modularity on both the physical and visual levels, granting the building a continuous capacity for transformation without losing its structural coherence.

Detailed floor plans of the basement, ground floor, and first level of the Maison FLOW renovation project.
Floor plans reveal the structural logic of the portal frames and the redistribution of the interior void.
Longitudinal and transverse architectural sections showing the vertical relationship between the old house, the winter garden, and the main hall.
Sections highlight the balance between the heavy historic stone masonry and the lightweight timber and steel additions.
Exploded axonometric diagram showing the removal of the roof section to create an internal patio and the vertical extension process.
The strategic removal of a roof section transforms the deep industrial volume into an airy courtyard system.
Axonometric organization chart of the project showing the distribution of catering, social spaces, and work meeting rooms across different levels.
A programmatic breakdown showing the synergy between wellness, work, culture, and dining within the historic shell.

Balancing Preservation and Innovation

The structural approach is based on achieving a precise balance between preserving the historic fabric and introducing contemporary innovative elements. Within this framework, the original stone structure was restored, while also reusing stones resulting from demolition processes, thereby reinforcing material continuity and reducing construction waste. A thorough understanding of Building Materials was essential for this process.

Diverse Materials and New Structural Layers

In parallel, floors and additional levels were constructed using wood, chosen for its lightness and flexibility, which suits the nature of the internal modifications. At the same time, a reinforced concrete portal frame was introduced, providing clear structural support while helping to liberate interior spaces and reorganize them. Detailed Material Datasheets guided the selection of these components.

An Experimental Approach to Technical Solutions

The technical decisions were characterized by an experimental attitude, where each structural condition was addressed individually to determine the most appropriate solution. As a result, hybrid systems emerged, combining different materials and techniques, with sections and assemblies designed to adapt to the specific constraints of each space.

Aluminum as a Visual and Functional Language

In this context, aluminum was selected due to its light weight, recyclability, and reflective properties. Externally, it blends visually with the surrounding environment, while internally it enhances natural lighting by capturing light variations and redistributing them within the space. This material choice aligns with trends documented in the Archive of contemporary architectural solutions.

Precise Interventions Rather Than Formal Gestures

Ultimately, the project moves away from expressive architectural gestures in favor of a series of precise, coherent interventions focused on the functional performance of materials. Through this restrained approach, spatial elements, light, and vegetation are allowed to naturally shape the architectural experience, reinforcing the project’s long-term sustainability. Such thoughtful integration is a recurring theme in Top News regarding modern heritage conservation.

Minimalist workspace in Maison FLOW featuring full-height reflective aluminum panels and exposed ceiling technical systems.
Reflective aluminum surfaces are used internally to bounce natural light deep into the building’s floor plates. (Image © Maxime Delvaux)
Large multipurpose hall with retractable seating and reflective aluminum wall panels, showcasing flexible interior design.
The main hall features a retractable grandstand for 140 seats, allowing the space to transform from a lecture theater to an open work area in minutes. (Image © Maxime Delvaux)

Rehabilitation as a Strategic Environmental Choice

Choosing rehabilitation over full reconstruction represents a direct approach toward reducing the project’s carbon footprint. From this perspective, the material continuity of the building becomes part of sustainability itself, rather than merely a Construction decision.

Low-Impact Materials and Redefining Finishes

In this context, the materials used reflect a strategy of constructive restraint; bio-based insulation materials and breathable lime plaster layers were adopted, alongside leaving technical systems exposed instead of concealing them within the building cavities. Finishes were reduced to a minimum, while existing heritage elements were reused, reinforcing the continuity of the site’s material memory. This careful selection of materials aligns with the detailed information found in Material Datasheets.

Environmental Performance Based on Passive Strategies

On the operational level, the approach relies on low-energy solutions grounded in passive strategies such as cross-ventilation, solar shading systems, and the use of light colors to reduce heat absorption. Additionally, rainwater harvesting systems were integrated to enable more efficient reuse within a closed operational cycle.

Quiet Radicality in Architectural Practice

Ultimately, the project embodies what can be described as a “quiet radicality,” where transformation occurs through careful subtraction rather than excessive addition, and innovation emerges through simple yet effective solutions. Through this approach, Architecture adopts a restrained, sober, and enduring language that reveals the quality of space, light, and material rather than imposing a formal presence.

Interior view of a white acoustic textured wall above a clean minimalist workspace in the renovated industrial complex.
Minimalist interior finishes and acoustic treatments enhance the sensory experience within the flexible office spaces. (Image © Maxime Delvaux)
Bright white upper-floor studio with large windows overlooking the city, featuring bio-sourced insulation and exposed ducts.
Upper-level spaces prioritize cross-ventilation and natural light, aligning with the project’s low-energy bioclimatic strategy. (Image © Maxime Delvaux)

✦ ArchUp Editorial Insight

The project operates as a repurposing of a 19th-century industrial asset adjacent to the Van railway station, driven by a financial rationale that links embodied carbon reduction, enhancement of land value, and compliance with heritage conservation requirements. Regulatory constraints preventing openings toward adjacent properties, the structural deterioration of the main hall, as well as insurance considerations and demolition costs, collectively form the governing framework of the intervention. The removal of the roof along the entire length of the hall transforms the interior void into a courtyard system that redistributes light and intensifies patterns of use. The program integrates wellness, work, culture, and dining through flexible units, suspended structures, and reconfigurable fittings. Such innovative spatial solutions are often explored in Interior Design approaches that prioritize adaptability.

The material strategy relies on the reuse of stone, the introduction of timber, reinforced concrete portal frames, and aluminum as a performative system solution. The approach is grounded in an operational balance between preservation and functional densification, achieved through passive ventilation strategies and an exposed technical infrastructure. This balance is a recurring theme in Research focused on sustainable heritage conservation.

By integrating these methods, the project demonstrates how existing Buildings can be transformed into high-performance spaces without erasing their historical identity. Furthermore, the use of reclaimed stone and bio-based insulation reflects a deep engagement with Building Materials that support a circular economy. The overall strategy contributes to ongoing Discussion within the architectural field regarding low-impact rehabilitation.

This approach to adaptive reuse and environmental responsibility positions the project as a relevant case study for Architecture Competitions focused on innovation in heritage contexts. The documented process and outcomes add valuable knowledge to the broader Archive of contemporary sustainable projects.


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