Nicolai Peter Rostrup, owner of N. P. ROSTRUP, a coffin manufacturer and retailer founded in 1844, who acquired the building in 1865, made it is family home and also ran his business from the premises.
Rostrp's son, Kaspar Rostrup, an attorney, continued the business after his father's death, qualifying as a master joiner in 1866.

N. P. Rostrup was after Kaspar Rostrup's death continued by his son Aage Rostrup and after his death in 1946 by his widow Anne Rostrup.
The firm was based at Valkendorfsgade 36 into at least the 1950s.

FDF rented a 4-room apartment on the second floor from April 1916.
In 1942 the organisation moved to larger premises at Frederiksborggade 5.
Nicolai Peter Rostrup, owner of N. P. ROSTRUP, a coffin manufacturer and retailer founded in 1844, who acquired the building in 1865, made it is family home and also ran his business from the premises. Rostrp's son, Kaspar Rostrup, an attorney, continued the business after his father's death, qualifying as a master joiner in 1866. 
N. P. Rostrup was after Kaspar Rostrup's death continued by his son Aage Rostrup and after his death in 1946 by his widow Anne Rostrup. The firm was based at Valkendorfsgade 36 into at least the 1950s.
FDF rented a 4-room apartment on the second floor from April 1916. In 1942 the organisation moved to larger premises at Frederiksborggade 5.
Valkendorfsgade 36