The levy is due to come into force in September.
The Government is being called on to delay the introduction of a concrete levy, due to come into force in September.
A recent report from KPMG found the levy would add an extra 297 million euro to the cost of delivering the coalitions' Housing for All plan.
As building costs are already rising, Independent TD for Galway East and quantity surveyor Sean Canney, says its unfair and will just push house prices even higher.