Demand by investors for property loans may on the wane, in the manner looked for by the banking regulator, if the proprietary research by Digital Finance Analytics has the measure of the market."More than 22 per cent now say they cannot get funding (due to tighter underwriting standards and less access to interest only loans)," Martin North principal of DFA wrote at his blog on Friday.North explained that "it is as all to do with the availability and price of loans" that is behind "a slowing in the investor credit lending trends.""In our core modelling, we think investor lending could slow to growth of one per cent to two per cent ahead." That is a level less than one third of recent growth rates.This, North concluded, "would have a significant impact on lenders growth and profitability."Any dampening in demand among property investors for credit may be taking its time to flow through to the dynamics of residential trading.CoreLogic in its weekend summary said conditions "remained strong with a rebound in auction volumes and higher preliminary clearance rate over second week of May."Both volumes and the preliminary clearance rate lifted week-on-week, CoreLogic said.The auction results "add some complexity to speculation that the housing market is moving through its peak rate of growth. "At face value, auction markets are continuing to indicate continued strength in selling conditions across Sydney and Melbourne, however it's harder to know whether vendors are adjusting their reserve pricing in order to clear their property."In the five major cities covered by CoreLogic the firm recorded "a preliminary auction clearance rate of 76.2 per cent" a minor dip 73.0 per cent the weekend prior.