As of last week, private rental properties must now comply with healthy homes standards within 90 days of any new tenancy, but state houses have two years longer, and currently only a sixth of them meet the standards. Kainga Ora owns 66,000 properties and has until July 2023 to ensure they are all fully insulated, have good quality curtains or blinds, a fixed heating source, extractor fans in kitchens and bathrooms, and no drainage or moisture issues.