20 Nationwide Values Average Value of Housing Stock - New Zealand Annual and Quarterly Change in Value Nationwide annual value growth has dropped further, to 4.3% at the end of September 2017. This is the lowest rate of growth since August 2012. Auckland, where the annual growth rate has now dropped to 0.8%, is a strong contributor to this weak nationwide rate. Meanwhile Napier is seeing the strongest growth, of the other main urban areas, with 18.4% annual growth and 5.2% growth in the last three months.