The prices of new apartments were up by 9% compared to the previous quarter and new houses were 2.4% costlier, the official statistics show.
The prices of second-hand apartments have been on the rise since the start of 2016.
In the first quarter of the year, they were up by 4.1% compared to the previous quarter, which is the highest quarterly growth since 2007. A total of 2,433 transactions were made.
Second-hand apartments in Ljubljana were 4.6% costlier in the January-March period than in the October-December 2017 period. In the rest of the country, the increase was 2.3%.
The prices of second-hand family houses increased by 5.9% compared to the previous quarter.
Between January and March, housing price were up 13.4% compared to the same period last year. Up the most were the prices of new apartments (by 27.4%), new houses (by 20.4%), second-hand apartments in Ljubljana (by 15.9%), second-hand apartments in the rest of the country (by 10.4%) and second-hand family houses (by 9.7%).