The principles of the eco-village and the smart-city are all contained within this experimental project: green roofs, community manager, walkability, integration of different urban functions, features and centrality of green space, environmentally friendly materials; indeed, it has been used the cross-laminated timber panels building system, making it the highest building in Europe built with this technology, enough efficient to let a reduction of 50% of the construction time at the same cost of traditional residential buildings. The Cenni district’s buildings are designed in the energy class A (the greatest energy class). The excellent performances, which allow to estimate a reduction of the consumption of the 70-80%, are the result of the construction characteristics of the buildings, of the ecological devices adopted and of the plant and equipment used (heat pumps fed by groundwater ) that allowed combine great economy, an high comfort and above all an elevated social identity of the persons who live there. Inhabitants are happy and proud to live in this district.