The clock tower was put up in 1897 to commemorate Queen Victoria’s Diamond Jubilee. One side has an entrance door, the other a drinking fountain, a window and a commemorative stone plaque.
Night-time view of Maidenhead Clock Tower.
There are more images of the Clock Tower here.

The Clock Tower in Maidenhead is in the centre of Town, right next to the train station, in the middle of King Street.