So now the "big picture" of what this is all about and the job in hand.   Over a year ago when we fitted the kitchen, we had neither the time or money to organise the final worktop, so I fitted a temporary cheap worktop and sink.   But being a cash strapped self builder, that worktop was not going to be wasted.  A bit of forward planning and that worktop was always destined to move to the utility room.  That is why the worktop was left deliberately over length, hanging