Proposals to sell Liberty Hall in Dublin have been sharply criticised by the Labour Party.
It has been reported that SIPTU is considering selling the landmark building.
Labour says Liberty Hall has great significance for the trade union movement in Ireland.
Dublin councillor Kevin Humphries said it would be like selling a piece of history.
He said that he was “quite shocked” when he read of the plans to sell the site, especially because of its links with historical events such as the 1913 lockout and the Citizens Army.
The councillor said that “it is part of not only Dublin history, but Irish history” and he added that the building has huge significance for the Labour Party and the trade union movement in Ireland.
Mr Humphries did concede that the tallest building in the capital needs a make-over.