Building Minister Nick Smith says tighter rules for businesses which test for meth contamination will be in place by the end of the year as real estate industry insiders report increasing numbers of cowboy operators milking owners.
Homeowners continue to shell out millions to decontaminate properties while prospective home buyers are making last-minute discoveries that their potential home was once a haven for the drug.
Industry insiders say 40 per cent of homes that are tested come back positive for methamphetamine and that is on the increase as public awareness builds about how widespread the issue of P contaminated homes really is.
Harcourts chief executive Chris Kennedy yesterday called for the Government to "urgently set in place standards around the methamphetamine testing industry" after being inundated with reports of varying levels of competency of P testing companies.
"In my investigations I've found that the testers and cleaners have differing viewpoints on the severity of contamination and the methods for decontamination.