The European Central Bank intends to increase the rates by the same amount again in March.
AIB has announced an average interest rate rise of 0.5% on its fixed and variable rate mortgages.
Bank of Ireland's confirmed rates for all tracker mortgages will increase by half of a per cent.
President of the ECB, Christine Lagarde, indicated they want to see energy price supports eased, after she met with Eurogroup President Paschal Donohoe: