The Contract 936 for the design and construction of Bencoolen station and associated tunnels was awarded to Sato Kogyo (S) Pte Ltd at a sum of S$177.58 million in April 2011.
Construction of the station and the tunnels commenced in the second quarter of that year and completed in 2017.

As the station is located under Bencoolen Street, a portion of the Bencoolen Street was closed from Prinsep Link to Bras Basah Road from 16 October 2011 to 10 December 2016.

On 3 March 2017, a burst pipe caused flooding at Bencoolen MRT station.
It was partially submerged by water that came from within.

The station opened on 21 October 2017 along with the rest of Stage 3 of the Downtown Line, as announced by the Land Transport Authority on 31 May that year.
The Contract 936 for the design and construction of Bencoolen station and associated tunnels was awarded to Sato Kogyo (S) Pte Ltd at a sum of S$177.58 million in April 2011. Construction of the station and the tunnels commenced in the second quarter of that year and completed in 2017.
As the station is located under Bencoolen Street, a portion of the Bencoolen Street was closed from Prinsep Link to Bras Basah Road from 16 October 2011 to 10 December 2016.
On 3 March 2017, a burst pipe caused flooding at Bencoolen MRT station. It was partially submerged by water that came from within.
The station opened on 21 October 2017 along with the rest of Stage 3 of the Downtown Line, as announced by the Land Transport Authority on 31 May that year.
Bencoolen MRT station