But the current legislation dated from a time when apartment living was still relatively new, she said. To give a sense of that, Willis pointed out that in 2010 multi-unit housing developments made up around 15 percent of new houses and by 2017 that number was 40 per cent. “Multi-unit housing developments must continue to grow, but because the current law is archaic and outdated, it is creating headaches for owners and prospective buyers. It is preventing people from choosing apartment living.” realestate.co.nz Reform of the law governing apartments will make life easier for people living in multi-unit dwellings. The bill would make life easier for thousands of people currently living in multi-unit dwellings and it would open the door for thousands more people to choose that type of housing in the future, she said.