Oxygen Home Loans has been named Australian Brokerage of the Year at the 10th Annual Australian Mortgage Awards at Sydney Town Hall. Oxygen Home Loans wrote $362 million in home loans for the financial year ending June 30, 2011.The result represents a 65 per cent year on year increase, achieved during a period in which there was a significant property market downturn. It includes a record 1,270 lodgments totaling $691 million from 24 brokers…