[1] The main church building was designed in Jugendstil style by Bertel Jung,[2] who was also responsible for the overall urban plan of Kulosaari.

[4] The separate belfry, completed four years before the church itself, and standing c. 30 metres (98 ft) from the church building, was initially designed by Armas Lindgren, and completed after his death by his daughter, architect Helena Stenij.

[2][1] The church and its surrounding milieu have been designated and protected by the Finnish Heritage Agency as a nationally important built cultural environment (Valtakunnallisesti merkittävä rakennettu kulttuuriympäristö).

[2] The ceiling and the stained-glass window were designed by Armas Lindgren's son-in-law, artist Antti Salmenlinna [fi].

[1] Bertel Jung's daughter, interior architect Gunilla Jung [fi], designed various interior features including the silver baptismal font, while his niece, textile artist Dora Jung, designed the priest's chasuble in white silk velvet.