Abstract: A securement device for a tap having a tap body with a bottom face and at least one water supply shaft extending from the tap body bottom face to pass through an aperture in a sink or bath, has a support member adapted to be connected to the tap body spaced from the tap body bottom face, the tap body being placed adjacent one side of a sink or bath with the tap shaft or shafts extending through the sink or bath aperture and the support member engaging the tap body on the other side (underside) of the sink or bath to secure the tap body on the sink or bath. The support member has a support plate or body with at least one edge cut-out/slot to receive a tap pillar forming or assembled to a water supply shaft of the tap body.