Rents in Waterford city have jumped by 8.8%, latest figures show.
The RTB Rent Index for July to September (Q3) 2020 shows that the national average rents stood at €1,256, up 1.4% (or roughly €17 per month).
The average price in Waterford is now €839 up from €772 last year.
Waterford city saw the biggest percentage increase in rental prices.
Prices increased also in Limerick and Cork, while rents in Dublin city dropped slightly - although the average cost is still over €1,690 per month, some €470 higher than Cork City.
The Residential Tenancies Board said it was the first time that standardised average rents in Limerick exceeded €1,000 per month.
Eight counties now have average rents above €1,000 euros per month; Cork, Dublin, Galway, Kildare, Limerick, Louth, Meath, and Wicklow.
This is the first time that average rents in Limerick exceeded €1,000 per month. Year-on-year the fastest growing rent in the third quarter of 2020, by county, was seen in County Waterford (7.9%) and the county with the largest year-on-year decline in rents was Sligo (-6.5%).