Ada Colau's permanence in the City Council makes a left-wing tripartite pact difficult in Barcelona. ERC bases do not want their party to be integrated into a government in which the former mayor is also present.

In the PSC, the scenario of Governing with the mayor, the same political figure with whom they governed as minority partners in the last two terms, is uncomfortable. Collboni postponed the traditional conference of the mayor of Barcelona at the College of Journalists at the end of January.