Lenders' consumer credit balances fell for the third month in a row in March, indicating that households continue to pay down their credit card and personal loan balances.According to the latest Reserve Bank lending data, consumer finance balances were down 0.3 per cent in March, compared with the previous month.Over the 12 months to March consumer credit balances fell by one per cent. The A$144.8 billion of consumer credit outstanding in March was the lowest level recorded since June 2014.Mortgage balances were up 0.5 per cent in March, compared with the previous month, and up 7.2 per cent over the 12 months to March.Owner-occupier mortgage balances were up 0.5 per cent month on month and up 7.2 per cent over 12 months.Investor mortgage balances were up 0.3 per cent month on month and up seven per cent over 12 months.Business credit balances grew 0.3 per cent in March, compared with the previous month, and grew 6.5 per cent over the 12 months to March.