Westpac is offering a new deal to help people into their first home by using a family member's equity in their house or savings as a deposit.
Family Springboard will be available from Wednesday.
The deal means no cash is required upfront but the house buyer could leverage the equity to reach the required deposit.
Retail general manager Ian Blair said in competitive times, Westpac is looking to provide innovative solutions to would be home owners.
He said Family Springboard means family can help without having to hand over cash or lose interest on their savings.
The option is being offered as the Reserve Bank to prepares to put restrictions on banks offering home loans to people with low deposits.