Add new 100-square-foot master bath to existing master bedroom over crawlspace. Include 42x42-inch neo-angle shower with ceramic tile walls, accent strip, recessed shower caddy, body-spray fixtures, and frameless glass enclosure. Put in freestanding soaker tub with high-end faucets; stone countertop with two sinks; two mirrored medicine cabinets with lighting; a compartmentalized commode area with one-piece toilet; and a humidistat-controlled exhaust fan. Use larger matching ceramic tiles on the floor, laid on diagonal with ceramic tile base molding. Add general and spot lighting and waterproof shower fixture. Cabinetry has custom drawer base, wall cabinets. Extend HVAC. Electric in-floor heating.