The present Victorian station was built on the site, and extended in the late 19th century.

Since then the station had been substantially extended, housing up to 150 scientific staff and support personnel as of 2008.

The station was extended and widened in 1950 to accommodate longer trains.

In 1959, the first expansion and remodelling began; the station was extended to the west.

Certain stations were further extended to 105m, the difference as yet being unused.

In 1907, the station was extended, to serve a growing demand for freight.

The station will be extended to the south and west with significant construction above.

The station was extended to the east in 1905.

The station was built in 1848 and has been extended several times since.

In 1953 the station was extended following the same design, the new section having a similar chimney at each end.