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: Market Updates Office take-up in Barcelona exceeds 300,000 sqm 20 January 2026 Residential Rockfield and Ardian acquire 1,500 beds in Spain, France and Italy 23 January 2026