Iberian Property > News > Offices Alting sells Avenida Diagonal 431 bis to Banca March Located on Avenida Diagonal, the building has a surface area of 6,186 sqm and has undergone an extensive design and repositioning process aimed at adapting it to new market demands. Alexandre Lima | 17/12/2025 Avenida Diagonal 431 bis, Barcelona. Exclusive Content NOT A SUBSCRIBER YET? SUBSCRIBE HERE >> Already a subscriber? LOGIN HERE >> Related news: Hotels Extendam acquires three hotels in Madrid and Barcelona 08 July 2026 Hotels Magg and Onix Capital acquire land to build the first Akeah hotel in Barcelona 03 July 2026