Kronprinsessegade 20 is a Neoclassical property overlooking one of the entrances to Rosenborg Castle Garden in central Copenhagen, Denmark.

Edward Brown had returned to Copenhagen after making a fortune in the ingigo industry and on trade in India.

[3] Adam Mogens Wenzel von Mattner, a Major-General and chamberlain, resided on the ground floor at the 1834 census.

He lived there with his wife Anna Lucretia (née Lytton), their daighters Adelaide and Eugenie von Mattner, a husjomfru, two maids (one of them black), a male servant and a coachman.

[4] Henry Wheaton, United States Chargé d'affaires, resided on the first floor with his wife Catharine Wheatonm their four children /aged seven to 16), two male servants and four maids.

He lived there with his wife Ane Caroline Pedersen (née Lugthon Smith, 1689s-1878(, their three children (aged eight to 13), one male servant and four maids.

[7] The daughter Anne Sophy Pedersen (1824–1911) would later marry the lawyer Carl Christian Vilhelm Liebe(1820–1900).

Alfred Hage resided on the first floor with his wife Vilhelmine, their six children (aged two to 11), a governess, five maids and two male servants.

[11] Peter Pedersen, a konferensråd and former diplomat, resided on the second floor with his wife Ann Caroline Smith, their four children (aged three to 19), one male servant, a wet nurse and two maids.

[14] Sophie Berg, a widow, resided in the garret with a three-year-old foster son and the unmarried woman Mathilde Nielsine Hartman.

[17] In the 1860s the building was acquired by master carpenter and director of the Copenhagen Fire Department Julius Blom.

The wall between the two corner risalits has grey dressing on the high cellar while the upper three floors stand in red-painted, blank brick.