Kronprinsessegade 42 is a Neoclassical property overlooking Rosenborg Castle Garden in central Copenhagen, Denmark.

The building was listed in the Danish registry of protected buildings and places in 1945. Notable former residents include businessman Hans Puggaard, military officer and carteographer Jacob H. Mansa (1797-1885), military officer H. C. G. F. Hedemann (1792-1859), editor and politician Hother Hage (1816-1873) and clergy and politician Ditlev Gothard Monrad (1811-1887).

[2] Jacob Frederick Ferdinandt Lerche, a colonellieutenant on paid stand-by (ventepenge), resided on the second floor with his wife Frederikke Elisabeth Christiane Lerckzau, two children (aged 21 and 28), husjomfru Johanne Cathrine Lehmann, a maid and a male servant.

[3] Thomas Lütcken, a captain in the Royal Danish Navy, resided on the third floor with his wife Karen Børresen (ballet dancer), their seven step children (aged five to 22) and one maid.

[6] Jens Jetsmark, editor of Adresseavisen, resided on the second floor with his wife Rosalia Augusta Bindseit, their three children (aged nine to 27) and one maid.

[8] Rasmus Olsen, a courier for Bladselskabet, resided on the ground floor with his wife Johane Kirstine Pouelsen [9] The property was home to four households at the 1845 census.Marie Ann Good, widow of treasurer D. Good, resided on the first floor with two of her children (aged 18 and 29), one lodger and two maids.

[11] Anna Maria Charlotte Reimer, an unmarried woman with a pension, resided on the third floor wi the lodger Otto Ditlev Rosenørn Lehn and one maid.

[12] Hans Bull, an army major on paid stand-by, resided on the fourth floor eoth his Anna Cicilie Risom, two of their children (aged 27 and 32) and the lodger Elsine Caroline Nested.

The two lower floors of their new building in Kronprinsessegade was adapted for use as a Sacred Heart Of Jesus Chapel (Jesu Hjerte Kapel).

They parted with the building in 1883 after prefect Griider Præsterne had presented them with new premises in Ny Kongensgade.