Auckland house sale volumes plummeted in April to their lowest level for the month since the 2008 global financial crisis, as the average price slipped from a record high, according to realtor Barfoot & Thompson.

There were 664 sales in April, down 40 per cent from March and 30 per cent below April last year, Barfoot said. The average sales price of $917,079 slipped 5.3 per cent from a record $968,570 in March, which typically marks the high point for prices in the first half…