In 2011, Kavanagh College expanded from its restricted main site by purchasing buildings and a carpark on the opposite side of Tennyson Street from Otago Polytechnic and thus increasing the area of the college by 25%. Two of the buildings were demolished, their sites becoming a green area used for school recreation. One of the buildings was kept and used for 6 classrooms. That building (on the corner of York Place) has a historic connection with the important New Zealand artist Colin McCahon as that was where he was trained.