K2 is a residential tower block in Leeds, UK. The building is situated in the city centre, on Albion Street and Great George Street, opposite St John's Centre. The lower two floors contain commercial premises, including a Jongleurs Comedy Club, Bar Risa and formerly a Hard Rock Cafe. The building is the joint 9th tallest building in Leeds. The building has 20 stories and is 242 feet (74 m) tall. The commercial parts of the building are known as 'The Cube'. Ventura Outsourcing have 35,000 square feet (3,300 m2) of office space in the upper floors of 'The Cube'.