The building fronting the street was constructed by master mason Christian Olsen Aagaard in 1850.

At the far end of the courtyard is a former silver factory constructed in 1887 by Bernhard Hertz according to his own design (Store Kongensgade 23 B).

Store Kongensgade 23 and the former silver factory were listed in the Danish registry of protected buildings and places in 1989.

145 in St. Ann's West Quarter (Sankt Annæ Vester Kvarter) owned by court president (hofpræsident) Niels Simonsen.

35 with his wife Maren Schou Grønlund, their two children (aged one and three), the clerk Mathias J. Møller, the housekeeper (husjomfru) Caroline Frederikke Døllner, a maid and a caretaker.

c. 1794–1880), the widow of merchant (grosserer) Peter Christian Hagen (c. 1789–1833), resided on the ground floor with her five children (aged 11 to 19).

[7] Mathias Saxtorph, then a student of medicine, would later become a professor of surgery at the University of Copenhagen.

40 A was still home to just two households, and its residents belonged to a lower social class than that of their neighbours at No.

40 B. Hans Caspersen, a greengrocer, resided on the ground floor with his wife Anne Chrestine Walgreen, their two children (aged 15 and 18) and one maid.

[13] Mathilde Kofod, a 72-year-old widow, resided on the ground floor with her 37-year-old niece Eveline Larsen, a male servant and a maid.

[18] From 1850, the Royal Court Pharmacy was based out of the ground floor of Aagaard's building at No.

Elisabeth Aagaard resided in the building with three of her children, a housekeeper, a maid and the lodger Carl Peter Grindlig Hansen.

[20] Anton Frederik Pedersen, manager of Sømændenes Mønstring (with title of kancelliråd), resided in the building with his wife Louise Elisabeth Petersen, two of their children (aged 25 and 30) and one maid.

[22] Peter August Flor, a pastry baker (konditor), resided in the building with his wife Caroline Mathilde Severine Flor, their two children (aged nine and 10), husjomfru Petrea Mathilde Hellebroe, a nanny, a maid, a pastry baker (employee), an apprentice and a caretaker.

[23] Vilhelm Jørgensen, a brick-layer, resided in the building with his wife Lovise Marie Axel.

[24] Julius Theodor Krøncke, a master mason, resided in the building with his wife Regine Charlotte Amalie, their three daughters (aged one to three) and one maid.

[28] Theodor Johan Aagaard, a legal assistant in the Ministry of Interior Affairs, resided in the building with his wife Anna Wilhelmine Aagaard (née Richter), a maid and a lodger (law student).

[30] Birthe Nielsen, an unmarried woman, resided in the building with the widow Græser Wahlgreen (needlework).

His graduation piece, an arm ring, was acquired by Frederick VII for 300 Danish rigsdaler and presented to Countess Danner.

[34] To make his jewellery accessible to a wider customer base, he had begun to produce it in silver instead of gold, and introduced machinery to the production process for rolling and frosting.

The facade is plastered and painted in a pale grey colour with white details.

The ground floor features a wide gateway and one large display window.

[35] In Store Kongensgade 23, a long essay published by Søren Ulrik Thomsen in 2021, he writes about an apartment in the building where he only lived for around a year as an adolescent but which still came to play a formative role in his life.