Outdoor, Small Patio, Porch, Deck, Grass, Wood Patio, Porch, Deck, and Shrubs The back, however, is a different story. The shape of the roof eave is designed to allow winter sun into the house while cutting out the hot summer sun.  Photo 6 of 9 in This Luminous Australian Renovation Packs a Lot Into a 23-Foot-Wide Lot