The apse is entered through three rectangular portals, the central one much wider than the side ones and separated by a pair of Doric columns in red and white jasper. The columns support an entablature running around the church interior. The gilded frieze bears a quotation from St Paul's First Letter to the Corinthians, first chapter. The former apse with its altar is now occupied by the organ, and is cordoned off by a railing screen in the form of squares.