Work is set to start later this year on the largest of three office towers in Australia’s largest commercial development following the finalisation of leasing arrangements with major tenants for the building.

In a statement on Wednesday, Barangaroo South developer Lend Lease said it had reached agreements with PricewaterhouseCoopers and HSBC to take twelve floors (26,500sqm) and 3.5 floors (8,000sqm) respectively of space within the 49 storey Tower 1 of International Towers Sydney. The company also announced it had sold a 10…