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Highlights • The details of the project of a 6-storey CLT building are presented. • The design for gravity and seismic loads is discussed in detail. • A recently developed proposal of revision of the timber chapter within the Eurocode 8 on seismic design is applied. • The design of the anchoring connections to the concrete foundation for multi-storey timber buildings is discussed. • Some details are also given regarding construction issues and fire design. Abstract This paper presents the design and construction of a six-storey residential cross-laminated timber (CLT) building in Florence, Italy. The different phases of the design process are described in detail, together with the production, transportation and on-site construction. Special emphasis is given to the seismic design, where a recently developed proposal for the revision of the Eurocode 8 has been applied, demonstrating its feasibility. Some design and construction issues are also addressed, including the connection of hold-down anchors to the concrete foundation. This connection represents the weakest link of the traditional commercial connectors used for CLT buildings, especially concerning the seismic design. [ABSTRACT FROM AUTHOR]