Widening took place in the area just before the First World War and two goods lines were laid around the back of the platforms.

This was to increase capacity of the line and aid the movement of coal traffic towards Immingham Docks, opened in 1912.

[3] This work required the removal of Darnall tunnel about 0.75 miles (1.2 km) to the east of the station.

The tracks through Darnall were electrified from 1955 to 1981, though only to allow electrically hauled goods trains to reach Rotherwood Yard.

The station itself was rebuilt in 1928 to an island platform design, much favoured by the Great Central, which the M.S.& L.R.