The seven meter high altarpiece is in brass, copper, steel, iron and glass delivered to the church's consecration, one of the artist Finn Christensen's main works.

[1][2] The wall in the congregation hall is adorned with a large work of glass and steel by Benny Motzfeldt on loan from the Oslo municipal art collection from 2003.

The chapel has an altarpiece by Tor Lindrupsen (2000) who also made the sandblasted window in the choir at the church room's baptismal font (1997).

The stone reliefs on the southern long wall are created by Einar Stoltenberg.

[1][3] Lambertseter Church is listed by the Norwegian Directorate for Cultural Heritage.