The building showcases works of art, most prominently the statues of Prospero and Ariel (from Shakespeare's "The Tempest") by Eric Gill. Their choice was fitting since Prospero was a magician and scholar, and Ariel a spirit of the air, in which radio waves travel. There was, reportedly, controversy over some features of the statues when built and they were said to have been modified. They were reported to have been sculpted by Gill as God and Man, rather than Prospero and Ariel, and that there is a small carved picture of a beautiful girl on the back of Prospero. Additional carvings of Ariel are on the exterior in many bas-reliefs, some by Gill, others by Gilbert Bayes. The reception area contains a statue of 'The sower' by Gill.