The New Zealand median weekly rent price has not moved from $420 per week according to this article in the New Zealand Herald last Wednesday:

Some interesting figures from the article:

• 7.6pc – rent rise in Auckland (July 2015 vs July 2014)
• 4.3pc – rent rise outside Auckland
• $420 – NZ median weekly rent since April
• $495 – Auckland median weekly rent since June
• 27pc – rise in median weekly rent since July 2010
• $5460 – increase in median annual renting cost since July 2010
(source: Trade Me Property)

http://www.nzherald.co.nz/business/news/article.cfm?c_id=3&objectid=11499607