Originally built in 1928, Macquarie bought 50 Martin Place in 2012 and began an extensive refurbishment project to update the interior of the building and create a light and open workspace.

SAS International's metal ceilings have contributed to the ‘6 Star’ Green Star Office Design rating achieved at 161 Castlereagh Street.

1 Bligh Street is the first office tower in the Sydney CBD to achieve a 6 Star Green Star Office Design rating by the Green Building Council of Australia.