The Budget scheme for first-time buyers is now in doubt after Fianna Fáil says it is opposed to the plans.
And the party says it will table amendments to the scheme when it comes before the Dáil later this year.
Housing spokesman Barry Cowen says the high cap for the scheme makes it nothing more than a "mansion grant".
And he has cast questions about how the scheme will work - or whether it will come to fruition at all - by saying Fianna Fáil will use its Dáil power to overhaul it:
