MEDIAN house prices have shot up in Sunraysia over the past year, and Merbein saw the biggest jump in the region.

Sales data from the Real Estate Institute of Victoria also showed an increased number of reported sales in Merbein, Red Cliffs, Mildura and Irymple.

REIV regional director Damian Portaro said buyers’ advocates had been propping up the market in recent months, in ways not seen befor...