New figures from the Central Statistics Office show the number of planning permissions granted for apartment units jumped by 274.2% in the first quarter of the year compared to the same time last year.
Planning permissions were granted for a total of 9,698 apartments compared to 2,592 in the first quarter of 2019.
A total of 5,091 planning permissions were also granted for houses in the first three months of the year, an increase of 3.9% on the first quarter of last year.
Today's figures showed that one-off houses accounted for 9.2% of all new dwelling units granted planning permission in this quarter.
The CSO said the total number of planning permission granted for all developments was 6,660. This compares with 6,943 in the first quarter of 2019, a decrease of 4.1%.
Of these permissions, 57.1% were for new construction, 26.1% for extensions and 16.9% for alterations and conversions.