By Dave Rogers2021-04-29T16:14:00+01:00 Octagon scheme designed by local practice Glenn Howells Contractors are on alert after Argent was given the green light this morning by Birmingham planners for a 49-storey residential tower at its Paradise scheme in the city. Designed by local practice Glenn Howells Architects, the 155m tall building is called Octagon because of its shape and will be one of the tallest in a glut of towers planned for the city. The scheme has earned its Octagon name because of its shape The tallest will be a 61-storey block at 100 Broad Street by another local firm Glancy Nicholls, which is also behind a 51-storey scheme at One Eastside.