A new short-term letting register is set to be approved by the government today, that could free-up as many as 12-thousand properties.
Anyone advertising a place to stay on the likes of airbnb for three weeks or more in a year will have to register with Fáilte Ireland.
Property owners will have to confirm they've the correct planning permission for short term letting, with penalties for non-compliance.
It's aimed at increasing the supply of long-term rental homes.