The present invention relates to a built-in household appliance (1) comprising a body (2) placed into the furniture, a door (3) providing access into the body (2), a decorative panel (4) mounted on the outer surface of the door (3), at least two adjustment mechanisms (6, 106) fixed on the door (3), providing the decorative panel (4) to be moved with respect to the door (3) by being rotated around its axis and having two positioning screws (5, 105) for the two mutually perpendicular directions, and wherein one of the adjustment mechanisms (6, 106) has a third positioning screw (205), of which the rotational axis extends in the direction the decorative panel (4) is moved.