a change, addition, alteration or repair to a building that is intended for residential occupancy and that is a building where after a change, alteration or repair to the building, at least 75% of the enclosed square footage of the building above the foundation at the completion of the change, alteration or repair is new. For clarity, a change, addition, alteration or repair to a building’s surfaces, fixtures or decorations is not a Reconstruction for the purposes of this Policy;