Architecture based on the city’s measurements and alignments.


A project signed by a leading Italian firm.

Antonio Citterio Patricia Viel’s project combines Italian design and architectural excellence with care and attention to detail typical of Italy’s history and culture.

Regeneration, sustainability, connection, green values and social inclusion are project features that represent a significant urban change in a city with an international profile.

Antonio Citterio
Patricia Viel


Certified space quality and efficiency

The building integrates the latest technologies and materials and is designed to achieve the highest currently available certifications for this type of building.
Porta Nuova is the first district in the world in the process to obtain the LEED and WELL for Community certifications.

LEED Platinum

The Leadership of Energy and Environmental Design
is an international certification system for financially, environmentally and socially sustainable buildings
and urban spaces. Obtaining LEED BD+C v4 (Building Design and Construction, version 4) Core&Shell Platinum certification is one of the project’s basic objectives.

Well Gold

I Portali buildings are among the first WELL Building Standard® registered Italian commercial offices
to achieve the GOLD level and set new technical innovation standards for its occupants’ health and well- being.


With its high energy performance and maximum reductions in CO2 emissions, made possible by the extensive photovoltaic system and the integration of high- performance façades, with automatic solar shading, I Portali buildings comply with the international Nearly Zero Energy Consumption Building (NZEB) standard.

Cradle to Cradle

As required by the design protocol that introduces circular economy criteria in material and process implementation, I Portali buildings use environmentally safe, healthy and cyclical materials, renewable energy and the responsible use of water.

Wired Score

WiredScore certification is an office building evaluation system for the assessment, promotion and improvement of building connectivity.

West building

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East building

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I Portali

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