Castledine had a promising loan spell with Shrewsbury Town in League One last season, making 26 appearances and scoring twice. However, his season was cut short due to a serious back injury. He will now have the opportunity to play consistent football for an entire season, which may help him decide on his future career path.

Huddersfield Town has a history of developing young players from Chelsea. Current first-team members Levi Colwill and Trevoh Chalobah had impressive spells at the club earlier in their careers. Tino Anjorin and Alex Matos also spent time at Huddersfield in the past. Chelsea hopes that Castledine will use this opportunity to grow and develop into a potential first-team player in the future.

Huddersfield finished 10th in League One last season, but the club is aiming to improve its performance in the new campaign under manager Lee Grant. The owners have backed the manager, and the club is looking forward to a better season and a possible return to the Championship.