The real estate watchdog has confirmed that agents no longer have to disclose meth contamination results when selling homes if they fall under a new recommended threshold.
But agents who have faced disciplinary action for failing to alert buyers to P contamination at now discredited lower levels will not have their cases reheard, the Real Estate Authority (REA) says.
Last week, Housing Minister Phil Twyford released a report by Peter Gluckman, the Government's chief science adviser, which said there was no evidence that meth-contaminated homes were a health risk to people who lived in them.
His report set a new safety threshold of 15 micrograms per 100cm2 that would now trigger decontamination.
It meant Housing New Zealand (HNZ) had spent $100 million needlessly decontaminating state houses and evicting tenants, having previously used a much lower threshold of just 1.5mcg/100cm2.