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Owned by Arexpo/Lendlease and designed by PIUARCH, in collaboration with Waugh Thistleton Architects and AIACE, Horizon 4.1 is one of the most significant pieces of the MIND – Milano Innovation District business area.

The architecture promotes the concept of Common Ground — a collective space that dissolves the boundary between inside and outside, generating urban continuity, visual permeability and fluidity in the pathways. It is a space that encourages interaction, hence the sequence of interior spaces — lobby, Retail & Welcome, coworking and conference centre — configured as a dynamic ecosystem capable of stimulating aggregation, collaboration and shared innovation.

From a functional point of view, the layout favours reconfigurable and modular environments, a strategic factor that responds to the need for adaptability required by a constantly changing working environment.

Horizon 4.1 also adheres to the highest international sustainability standards, adopting in particular the DfMA (Design for Manufacturing and Assembly) method, which standardises components and construction flows to optimise time, costs and material circularity.

The structure of the building consists of two reinforced concrete cores (structural cores) that resist horizontal and vertical forces, while the rest of the building is made of laminated timber (glulam) and XLAM panels for columns, beams and floors. This technological choice significantly reduces the embodied carbon footprint, speeding up prefabricated assembly and facilitating dismantling and reuse during decommissioning.

Horizon 4.1 will be LEED Gold & Platinum, WELL Gold and WIRED Platinum certified.