Turning a basement into a movie theater involves five main steps: (1) engineering the acoustics — parallel-wall echo control, bass traps, ceiling absorption, and soft finishes to keep dialogue clean; (2) pulling structured wiring, low-voltage cable, HDMI, and dedicated AV circuits before drywall goes up, because retrofitting is 2 to 3 times more expensive; (3) recessing or ceiling-mounting the projector and specifying the screen size to the seating distance; (4) layering the lighting across at least three scenes (ambient, pre-show, movie mode) on dimmable circuits controlled through one keypad or smart-home scene; and (5) integrating the AV rack, subwoofer placement, and any smart-home control at the design phase, not as an afterthought. The Ashford’s basement theater — navy paneled walls, projection screen, brass wall sconces, subwoofer positioned for performance — was designed exactly this way from framing through final punch.