Complex sentence: It is constructed primarily of sandstone rubble, with a slate roof, and incorporates a medieval-style pele tower; the drawing room and dining room were remodeled in the Georgian style in the 1930s.
Split into simpler sentences: It is constructed primarily of sandstone rubble, with a slate roof, and incorporates a medieval-style pele tower. The drawing room and dining room were remodeled in the Georgian style in the 1930s.