From 12 August 2020: Rent increases limited to once every 12 months. Previously it was once every 180 days (six months).
From 11 February 2021: Several law changes to the Residential Tenancies Act took effect, as outlined above.
From 1 July 2021: All private rentals must comply with healthy homes standards within 90 days of any new or renewed tenancy.
From 1 July 2021: All boarding houses must comply with healthy homes standards.
From 1 July 2023: All houses rented by Kainga Ora (formerly Housing New Zealand) and registered Community Housing Providers must comply with healthy homes standards.
From 1 July 2024: All other private rentals must comply with healthy homes standards. This means fixed-term tenancies that have not renewed since 30 November 2020.
link to original article: https://www.business.govt.nz/news/landlords-more-tenancy-law-changes/