'Lenders are being over cautious with the multiples of income they are willing to lend on - especially for fixedrate deals where there is no
BOIM managing director Roland McCormack said the scheme offers parents an alternative to giving their children a lump-sum deposit.
He said the scheme would be particularly useful in London and the South East, where the price of a first home has soared beyond reach for many.
But he added: 'Young people in other regions might find they can get a bigger property than they originally expected.'
The loan is available for up to 95 per cent of a property value.
There is a two-year discount at 3.89 per cent, a three-year fixed-rate at 4.89 per cent, and a five-year fixed-rate at 5.29 per cent.
The property can be owned solely by the child or jointly by the child and the parent. The Consumer Credit Counselling-Service questioned takingon such huge debts. A spokesman said: 'Given that the housing market is known for instability, this seems a dangerous level of debt to get into.
'Traditionally, the prudent loan level has been three to four times salary.
Going to eight times, even in a low-interest rate climate, appears risky.
'Even a small rise in interest rates could increase monthly repayments substantially.'
Editor of Mortgage Strategy magazine, Robyn Hall, said the scheme was a novel and major development but one that must raise 'some concerns'.
'It's not exactly what many would see as a prudent approach to lending,' he said.
But he said those who take legal advice should be safe.