In 1774, the construction of the Bydgoszcz Canal required the building of a city lock and a causeway leading to Mill Island, which allowed the crossing of the Brda River in the continuity to the west of the axis.

[3] Real estate cadastral files of Bromberg from 1878 reveals that a southern frontage of houses stood in the area from Theatre square to the Opera Nova.

The villa of the president of the Prussian region was located at the level of today's Nr.25, together with garrison lodgings: in the same area was standing lock Nr.2 - Polish: Śluza II „Grottgera”- on the old Bydgoszcz Canal (now the plot at the intersection with Grottger Street).

With this construction, the street assumed a critical character in the city, linking western suburbs (Okole, Wilczak) with downtown.

In the 1970s, an urban traffic renovation modernized Focha street to the west of Brda with a dual carriageway on both side of the tram track.

[5] At the beginning of the 1980s, in order to renovate the tramway line, last pieces of Focha street's old granite pavement has been recovered with asphalt.

[9] 1901-1902, by Karl Bergner Vienna Secession The house has been built for Max Zweininger, owner of a famous hat manufactory in Bromberg,[10] located on the square.

A/849, April 22, 1996[12] 1901-1902,[13] by Karl Bergner Vienna Secession & Eclecticism The building at then-Wilhelmstraße 17 has been built to be a renting tenement, owned by Mr. Rapiewocki, a merchant.

1825-1850[13] Neoclassical architecture The first owner of the house at Wilhelmstraße 16 was a famous printer, Albert Dittmann, local tycoon and successful entrepreneur in Bromberg.

The facade has neo-renaissance features, with pediment bearing a bas-relief woman figure in a cartouche, hanged by vegetal garlands on the first floor.

The most striking element is the grand bay window parting the frontage and towering the entry gate: it has almost classical characteristics with fake columns, triangular pediment and four allegoric bas-reliefs.

1885,[13] by A. Berndt Neo-Renaissance[20] Albert Pallatsch, a restaurateur in Rinkauerstraße and Bahnhoffstraße in the 1900s, opened there a café-restaurant named Pilsener Hütte(1908),[21] then Rheingold (1915).

1879[13] International Style In this house lived Anton Hoffmann, from 1877 to 1880: he was a master mason and an architect very active in downtown Bydgoszcz during the second half of the 19th century.

Recently renovated, the facade displays an elegant balance, topped by a roof with parapet: pedimented windows are separated by adorned pilasters, a scrollwork frieze crowns the elevation.

The tenement has been renovated in 2007 and converted in 2014 into a four-star hotel Mercure Sepia (90 rooms) with a panoramic roof terrace (85 seats), parking (it opened officially on January 16, 2015).

Władysław Piórek (1852-1926) was a physician, national and social activist in the city, he supported Polish cultural, educational and charitable institutions.

The two-storey villa has got very neo-classical features, a set of identical windows one the ground floor and a series of smaller, square openings above.

[31] In front of the house ran the Old Bydgoszcz Canal till 1973: opposite the villa was located one of the lock (Polish: Śluza II "Grottgera") at the level of Artur Grottger street.

1896-1897[32] Eclecticism with Art Nouveau elements The commissioner and first landlord was Hugo Rossow, a restaurateur running a pub house (German: Gesellschaftshaus).

Thoroughly refurbished in 2020, after being in a poor state for many years, the building boasts, among others, bas-reliefs, cornices, bossage elements on the ground floor and a portal with pillar strips topped by a balustrade line.

One can notice two hooks on rosettes (one on the corner, one on Warmińskiego elevation) still preserved: they were used to support a traction network that carried coal to feed the former power plant located in the street (at now Nr.8) at the turn of the 20th century.

[34] 2002 International Style The plot where stands the cinema complex has been for a long time part of the Old Canal of Bydgoszcz banks, before its burying in 1973.

It was a metal bust on a pedestal, unveiled on October 27, 1894, and located between two canal locks (Nr.II-"Grottgera" and III-"Grunwaldzka"), in the area of today's Artur Grottger street.