The average rent nationally now stands at 1-thousand 227-euro a month - a new all time high.
The latest report from Daft-dot-ie shows rental costs last year rose by 10-point-4 percent across the country.
Rents in Kildare have risen by 9.7% in the year to the end of December
Rents in the capital are 4-thousand 500-euro more a year than the Celtic Tiger peak.
While the number of properties available to rent is also at an all time low.
Daft Economist Ronan Lyons says it's about supply and demand: