National on tenancy law reform: rent rises, property shortages forecast to worsen 29 Jan, 2021 04:32 AM 4 minutes to read Nicola Willis: Raising concerns about tenancy law reform. Photo / Mark Mitchell Rents could rise even further and rental properties become harder to find when the biggest shakeup in the $180 billion sector comes in next month, National says. Nicola Willis, National's housing and urban development spokesperson, said she fears for some of the people in 600,000-plus rental properties from February 11. "National is concerned that these changes will push rents even higher and ultimately make it harder for some people to find a private rental property to live in.