New figures show rents are continuing to rise around the country.
NAMA says funding is in place to deliver 4,500 new houses and apartments in Dublin over the next 18 months.
The number of homes in negative equity has dropped by around 15%.
A new report indicates that if rents continue to rise young people will be more likely to share accommodation, or live with their parents for longer.
House prices in Dublin are now rising at more than seven times the rate of the rest of the country.
The national asking prices for houses have risen for the first time in eight years.