Minerva Building design changes and a further increase in height, to 53 floors and . Its location marks the Eastern gateway to the City and the building might have acted as a focus for the regeneration of the eastern City fringe. The site is outside the strategic views of St. Paul's, and does not contain listed buildings, although it does infringe upon a conservation area. It also lies within one of the three proposed viewing cones for the Tower of London, as do 30 St Mary Axe, Heron Tower and Tower 42. Although the official height was , the building was claimed
30 St Mary Axe of the building during the summer and warm the building in the winter using passive solar heating. The shafts also allow sunlight to pass through the building, making the work environment more pleasing, and keeping the lighting costs down. The primary methods for controlling wind-excited sways are to increase the stiffness, or increase damping with tuned/active mass dampers. To a design by Arup, its fully triangulated perimeter structure makes the building rigid enough without any extra reinforcements. Despite its overall curved glass shape, there is only one piece of curved glass on the building, the lens-shaped cap at the apex.