A deck construction device for assisting with laying decking. The device as a body which has a handle and a substantially planar face from which at least two spacers extend. At least one screw hole is defined through the body, the at least two spacers are arranged to span a width of a decking plank. The length of a first spacer corresponds to the thickness of a decking plank; and the length of a second spacer extends beyond the thickness of the decking.