As nige said no stamp duty on the building just the site price which the % can ne seen below
Aggregate ConsiderationRate of DutyUp to €10,000Exempt€10,001 to €20,0001%€20,001 to €30,0002%€30,001 to €40,0003%€40,001 to €70,0004%€70,001 to €80,0005%€80,001 to €100,0006%€100,001 to €120,0007%€120,001 to€150,0008%Over €150,0009%