The building's interior consists of a central hall with galleries on two upper floors, surrounded by arcades and crowned by a sunroof. The public function of the building was limited to the ground floor, while the rest of the building was only accessible to personnel of the PTT. In 1987, the PTT announced that it intended to vacate the building and it was sold the next year for ƒ 7,5 million (about €3,2 million) to Larmag, a Swedish real estate developer, who intended to repurpose the building as a luxurious shopping mall.