Clearer rules for identifying and managing methamphetamine contamination in rental housing will take effect on 16 April, bringing greater certainty for landlords and tenants.
Under the new standards, a rental property will be considered contaminated if methamphetamine residue exceeds 15 micrograms per 100 square centimetres. Properties that exceed this level must be cleaned until contamination is reduced to 15 micrograms per 100 square centimetres or lower.
Where contamination is more severe – above 30 micrograms per 100 square centimetres – both landlords and tenants will have the option of ending the tenancy quickly.
Landlords will be allowed to carry out the cleaning themselves or hire someone to do the work. However, in defined situations where there is evidence of contamination, landlords will be required to engage professional testers. Testing and decontamination must also follow official standards.
Associate Minister of Housing Tama Potaka said the regulations were designed to remove uncertainty.
“For too long, landlords and tenants have faced confusion, inconsistent testing practices, and, at times, disproportionate responses,” he said. “These regulations set clear, evidence-based thresholds and processes so everyone knows where they stand.”
Mr Potaka said the framework had been developed using expert advice, including input from the New Zealand Institute for Public Health & Forensic Science.
Why clearer standards matter
Methamphetamine contamination has been a complex issue in the rental sector for many years, partly because previous guidance on safe levels and testing methods has evolved over time.
Clear thresholds help reduce disputes between landlords and tenants by establishing when action must be taken and what level of cleaning is required. They also help ensure that testing and remediation are proportionate to the level of risk.
These rules also give property owners greater certainty when making decisions about maintaining, renting or selling a home.
Should any of your clients want to discuss how these changes could affect their property plans or finance arrangements, we’d be grateful for a referral.
