Therefore some lenders have been putting up the cost of mortgages for borrowers who can put down only a small deposit.

BBC: Fixed-rate mortgages rise again

For borrowers who can only put down a 10% deposit the average rate is higher at 6.06%.

BBC: More fixed-rate mortgages go up

To make up for the lost revenue, banks will need to improve their deposit margins by only 0.3 percentage points, Mr Meleis calculates.

ECONOMIST: Retail banking in America

The site was only in operation for a month but attracted over a thousand people who wanted to deposit Bitcoins to credit minutes to their pre-paid phone accounts.

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