 Pouso moved to Europe on August 31, 2006 when he joined Charlton Athletic of the Premier League on a season-long loan from Peñarol.He played his only league match on September 16, a 1-0 home defeat to Portsmouth, in which he was substituted after 57 minutes for Matt Holland.Pouso was signed by Iain Dowie, and was released alongside compatriot Gonzalo Sorondo by new manager Alan Pardew on February 20, 2007.