In varying my morning walk from Anzac Parade to the Chancellery Building, I discovered a colonnade. As it is not far from the faculty of Built Environment, I assumed it was the result of a student project.
Upon closer inspection, I found a plaque proclaiming the sandstone columns having been salvaged from a Greek-Revival style house in Subiaco, Parramatta, called the Vineyard. It was torn down in 1961, to lay a factory car park.
The following image of the house, taken in 1961 is from Sydney Living Museums.