A camper extension includes a rigid frame pivotally mountable, by a pivotable coupling, for example a hinge, onto a camper, so as to be pivotable about a horizontal axis generally bisecting a rear face of the camper, and pivotable between a stowed position inverted over the camper and a deployed position upright and adjacent the rear face, wherein the rigid frame includes floor members defining a floor, generally vertical members defining sides, and roof members outlining a roof opening, the floor members, vertical members and roof members defining an interior cavity sized to receive the camper therein when the frame is pivoted into the stowed position.