Some strong performances in the Turbos midfield during 2014 earned him a Super Rugby contract with the Blues for 2015 coached by Sir John Kirwan. He played four games at Centre, one at 2nd 5/8 and was a substitute in his other game. He was in the first three games of the season (against the Chiefs, Stormers and Cheetahs) before Charles Piutau was moved from Fullback to Centre. However, Francis Saili and George Moala were the preferred mid-field combination and played most of the season's games. Northcott played the last two games at Centre against the Crusaders and Highlanders. However, the Blues did not sign Northcott for the 2016 season.