Where is the SU 

The Hallam Students Union (SU) headquarters is HSU OWEN: - Owen, 1 Howard Street, Sheffield, S1 2LW this is located to the left of the Owen Buildings main entrance 

The Hallam Students Union (SU) social space is HSU CHARLES STREET: - Charles Street, 133 Charles Street, Sheffield, S1 2ND on the ground floor of Charles street