[1] They consisting of two rows of farmsteads extending from Amager Road, now Amagerbrogade, roughly where present day Øresundsvej and Englandsvej are found today, separating their farm land to the south from their pastures to the north.
In the second half of the 18th century, the area changed character when sailors, craftsmen and workers began to settle in the community which spread along the main road.
In 1793, the northnmost part of the area, Amagerbro, was transferred to Copenhagen whose so-called Demarcation Line, which heavily restricted construction within a certain distance from the city walls, kept development to a minimum.
An early example of this was Jacob Holm, who purchased several pieces of land on both sides of the main road between 1808 and 1812, establishing both a smock mill operating an oil-press, a glue manufactury and a rope walk on it.
The differences between urban Sundby and rural Tårnby grew still larger and led to conflicts over matters such as schools, sewers and street maintenance.