Mortgage Interest Rates Australia 2025. Mortgage rate in australia averaged 6.86 percent from 1990 until 2025, reaching an all time high of 15.50 percent in september of 1990 and a record low of 2.14 percent in march of. Lenders' interest rates are published 25 business days after the end of each month.

We take a look at what’s in store for interest rates in 2025. From may 2022 to november 2023, the reserve bank of australia (rba) increased the cash rate 13 times, in an effort to tame inflation.