Colleen Milne said foreign buyers were not as active in Auckland.
"The new IRD number requirements may have had some dampening effect on offshore buyers in Auckland, although this is not shown in the data. However, the forthcoming relaxation of the loan-to-value-ratio (LVR) restrictions for the regions will have a positive effect for first home buyers but may add to the consequential shortage of listings in their range.
The lowering of interest rates has also had a positive impact on buyer sentiment in the regions, although the effect is hard to measure in the Auckland market," she said.
Nationally, there were 8174 unconditional residential sales in September, a 38.3 per cent increase on last September and an increase of 5.3 per cent on August.
"The national median house price rose $19,650 (+4.2%) to $484,650 from August to September to reach a new record high. In comparison with September 2014 the national median house price increased by $64,650 (+15.4 per cent), with all, but one, region recording increases," REINZ said.
"Auction sales in Auckland reached a new milestone with the number of auctions representing a majority of sales for the first time. Auction sales in Waikato/Bay of Plenty also set a new record, representing more than one quarter of all sales for the first time."
See the latest REINZ property stats here: