House prices have gone up by just over 8% in the year to August.
According to new data from the Central Statistics Office, that's down from a 10% rise in the 12 months to July.
Dublin properties have seen a rise of 6.1%, more than half the 13% rate recorded in April.
The biggest increase was in the mid-west where prices jumped by 21%.
The August increase of 8.6% is the slowest in 23 months.