France Gets Europe’s Biggest Printed Apartment Block

Why It Matters

The project proves that large‑scale additive construction can accelerate delivery, lower material waste, and make affordable housing more sustainable, signaling a shift for the European building sector.

Key Takeaways

• 800‑sq m, 12‑unit building printed in 34 days
• Schedule cut by 3 months versus conventional construction
• On‑site waste halved; concrete use down 10% with curved design
• First French project with fully printed load‑bearing walls
• Next goal: 40‑unit complex using dual printers to slash time

Pulse Analysis

The ViliaSprint² project in Bezannes showcases how additive manufacturing is moving beyond experimental prototypes into real‑world, multi‑unit housing. By leveraging Cobod’s Bod2 printer, the French team delivered a three‑storey, 12‑flat block in just 34 days, a timeline that would traditionally span several months. This rapid construction was enabled by a combination of on‑site concrete mixing, synthetic macro‑fibres from Holcim, and optimized prefabricated floor slabs that reduced gantry repositioning. The result is a fully load‑bearing structure and walls printed in place, a first for France, demonstrating that 3D printing can meet structural standards while offering design flexibility.

Beyond speed, the project delivers notable sustainability gains. Curved geometries inherent to the printing process cut concrete volume by roughly 10%, while on‑site mixing halved material waste and reduced transport emissions. These efficiencies align with broader European goals to lower the carbon footprint of the construction sector, which accounts for a significant share of total emissions. By integrating synthetic fibres, the printed concrete achieved the necessary tensile strength without additional reinforcement, further simplifying the supply chain and reducing on‑site labor requirements.

Looking ahead, the developers aim to scale the technology with a 40‑unit residential complex printed simultaneously by two machines. If successful, the economies of scale could bring 3D‑printed construction costs in line with conventional methods, making the technology viable for larger public‑housing projects. Such scalability could attract investment from governments and housing agencies seeking faster, cheaper, and greener building solutions, potentially reshaping the European construction market over the next decade.