add a wood deck to the back of the house starting at the left edge of the recessed center section and extending across the recessed area and over the right side wing of the house the deck should continue past the right edge of the house slightly creating a small overhang to allow for a walkway beneath on the right side align the deck height with the main floor level at the back door just below the door threshold the deck should extend outward approximately 8 10 feet from the house include vertical support posts beneath the deck spaced evenly except at the far right overhang where the deck slightly cantilevers add a single staircase on the right side of the deck descending to grade positioned near the outer right edge keep the deck rectangular and continuous across these sections do not extend the deck to the left wing of the house do not change any windows doors siding rooflines materials or proportions of the house do not modify any other areas of the image match perspective lighting and scale to the existing image
