yes, 25% in the 70's when I bought my first.... "applicants MUST show evidence of the ability to save money before the banks will lend money" was the paradigm.
it was a good strategy to ensure against bad debts and security in equity. These low deposit loans really should have been outlawed after the GFC collapse of the sub-prime loans. and this would have slowed the market better than the current strategy of perpetually stimulating the housing market and causing rapid increase in prices.