The number of new homes given the green light by planners grew by almost 90pc in the second quarter of the year, to 3,010 from 1,606 in 2014.
According to new figures released by the Central Statistics Office, new builds saw an 87.4pc increase year-on-year.
Planning permissions were granted for 2,637 houses between April and June compared with 1,492 in the same period last year, representing a 76.7pc jump in numbers.
Permission being sought for apartments saw a 227.2pc increase, with permission given for the building of some 373 units compared with 114 units for the same period last year.
One-off houses accounted for 27.3pc of all new dwelling units granted planning permission during the quarter.
In total, 4,038 projects were given the go-ahead nationwide. This compares with 4,149 in the second quarter of 2014, an overall fall of 2.7pc.
Total floor area granted stood at 1,024,000 square metres in the second quarter of 2015, a growth of 43.8pc based on 2014. Of this, 50pc was for new dwellings, 28pc for other new constructions and 21pc for extensions.
Only three new homes were granted permission in Galway city, the lowest in the country, followed by Roscommon where only seven were approved.
The highest number of approvals granted was in Cork, which allowed 115 new homes. Wexford and Meath finished in joint second with 49.
In Dublin, the four local authorities allowed 153 new homes.