The Minister for Housing says NAMA will release 450 homes next year to help people in long term homelessness.
Focus Ireland has criticised the agency for failing to deliver on it's promise to use vacant units to help those with nowhere to live.
The charity says 5,000 people are currently homeless in Ireland and many of them are families, living in emergency accomodation such as shelters and B and B's for 10 years or more.
And it says the number of families losing their homes every month in Dublin has doubled from 8 to 16.
Minister Jan O'Sullivan says there will be quicker delivery of NAMA units from now on - because the process has been simplified:
