Auckland house sale volumes by the city's largest agency bounced back last month and average prices rose $6000 during the 30 days.
Peter Thompson, managing director of Barfoot & Thompson which sells more than 40 per cent of residential properties in the city, said the data "did the opposite to economic forecasts".
During alert level 4, economists were predicting national price declines of around 7 per cent.
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But Thompson said June was a remarkably solid month's trading with no signs of fragility.