The Catholic parish church for eastern Oslo, it was run by the Franciscans until 1 September 2008.

St. Hallvard's monastery and church in Oslo, designed by the architects Lund & Slaatto, has three sections: the monastery, parish offices, and the church, surrounding a circular central nave.

The building has three levels, built of brick and concrete exposed both to the interior and exterior.

[1] The church attracted much attention in academic circles when it was completed in 1966 and won several architectural awards.

The roof of the church room hangs down and gives the lowest height where it is traditionally highest.