The buildings that line the southwest side of the street (even numbers) all date from the years after the Copenhagen Fire of 1795.

The name may, however, more specifically, have referred to a narrow strait between the old coastline at Løngangstræde and a small isle approximately where the National Museum is now located.

Diderich Fyrens (Fuirens) Gang, a just three metres wide alleyway, connected the street (at No.

Diderich Fyrens (Fuirens) Gang was not rebuilt after the fire, and the new City Hall was some 20 years later built at the northeast side of the street.

2, was built in 1797-98 by the master builders Frantz Philip Lange and Lauritz Thrane, It was listed on the Danish registry of protected buildings and places in 1959.

The Metropol Building (Kattesundet 3 / Vestergade 9 / Frederiksberggade 16), a former department store, was built in 1908 to a Jugendstil design by Anton Rosen.

The building was completed to a Renaissance Revival design by Carl Thonning and Alfred Møller.

[8] Kattesundet 1 / Vestergade 13 was built for the tobacco company Brødrene Bruun in 1906-1907 and was also designed by Carl Thonning.