Westpac have decreased their LVR from 92% to 87%, adding $12,500 to a deposit on a $250k house and in turn $25k for a 500k house.
Using 50K as a deposit, a 5% change in LVR ie from 95 to 90 halves the amount you can borrow. 5% of 1,000,000 is 50k, 10% of $500,000 is 50k so going from 92 to 87...