Booming prices are forcing first home buyers to seek more financial help from their parents, in a trend threatening to widen the gap between the property haves and have nots.
Figures from Australia show 60 per cent of first home buyers now receive parental help to get a foot on the property ladder - up from just 3.3 per cent in 2010.
Aussie parents are also putting a record high $89,000 contribution into their kids' deposits, analysts Digital Finance Analytics said.
While New Zealand has no official statistics, home loan brokers Mortgage Lab estimate the number locally to also be as high as 60 to 70 per cent.
Loan Market mortgage adviser Bruce Patten said one of his team specialising in helping first home buyers said virtually every customer he'd worked with this year received some form of parental help.
Hamilton mum Jane expects she'll be called on within the next five years to kick in part of the deposit for two of her children.
She is thankful she and her husband own their family home along with three investment properties, but knows many other parents don't have such resources to call on.
"I'm deeply concerned about the unjust situation that exists for so many other hardworking families," Jane – who didn't wish to give her last name – said.
"High rents are leaving people trapped in that cycle of never being able to save the deposit for their own property."
The rise of the Bank of Mum and Dad is fuelled by runaway house prices.
The median price for residential property across New Zealand increased by 32.3 per cent from $620,000 in May 2020 to $820,000 in May 2021, the Real Estate Institute said.
Auckland prices leapt 27 per cent, from $905,000 in May 2020 to a record high of $1.148 million this year.
Some pundits now estimate Auckland buyers need incomes up to $170,000 to buy, while typical deposits climb close to $200,000.
DFA estimates Australian mums and dads currently have about $34 billion worth of loans lent to their children, making the Bank of Mum and Dad the country's ninth largest home loan lender.
DFA's Martin North said parents were contributing up to $250,000 in some urban areas.
This was pushing house prices up, increasing national debt and making it harder for those without wealthy parents, North said.
Mortgage Lab chief executive Rupert Gough said a small proportion of Kiwi parents made big contributions, such as by buying properties together with their children and listing their names on the title.
However, they were more likely to gift or lend smaller sums towards deposits, which could be as little as a few thousand dollars.
Tom Hartmann, from financial advice website Sorted said a "huge intergenerational wealth transfer" was now underway.
While parents had previously waited until the inheritance to gift cash or property, many were now stepping in earlier to help their children.
But this could come with risks.
This included failing to properly document the process so it was crystal clear whether the financial assistance was a gift or loan.
"It is really key to take professional advice, to run the numbers and to understand how it is affecting your own retirement planning because these decisions can affect decades of life."
Hartmann also knew of parents selling the family home and moving out of the city to raise money for the kids, which could lead to social isolation.
Going guarantor entails the same risk for parents who cover the entire value of the mortgage as if they had bought the new property together.
But parents can limit their risk by guaranteeing only part of a mortgage, for instance, up to $100,000.
The guarantee can be released as soon as the value of the child's property rises sufficiently to give them enough equity to cover it.
Again, parents must be working to act as guarantors
3. Offsetting bank accounts
Another variation is the mortgage offset, which allows parents with money in term deposits to lower the home loan repayments of their children.
It works by allowing parents who might have $200,000 in a term deposit to forego the interest they earned and instead have that interest directly taken off the home loan repayments being made by their child.
Bank of NZ, Westpac and Kiwibank are the only three banks offering the service, as long as the parents' term deposit and child's home loan are with the same bank.
Parents retain control of their money and can access it at any time without waiting years for their children to repay it, Gough said.
4. Lending part of the deposit
A loan to bring the deposit up to the required 10 or 20 per cent of the property value can be a cleaner way to help than putting your own assets at risk.
But Patten said banks usually prefer gifts rather than loans to keep the borrowers' total liability below the required loan-to-value ratio.
5. Gifting part of the deposit
For this reason, brokers say gifts have become the most common form of parental help.
Gough said it was crucial parents and children document the nature of the loan, including what happens to the gift if their child splits from their partner.
Should the couple be together at least three years, then the house will be treated as relationship property and divided equally.
That meant one common clause was to make the gift repayable in full upon sale of the house.
Another way to organise the paperwork was to list the child and their partner as borrowers of the gift should they split, meaning both would have to repay the money.