Bathroom remodeling in Kansas has to respect basements, outside walls, and winters that actually freeze. A lot of tubs sit on an exterior wall where the supply lines feel the north wind. Below them, in plenty of houses, is a basement ceiling that will advertise any mistake as a stain over the water heater. Slab houses exist too, especially newer ones, and moving a drain there is a different kind of commitment. Say which floor you have before you describe the finish you want.
Start with the failure, not the picture. A surround that opened, tile that lost its grip at the curb, a valve crusted with minerals, a fan that drones into the joist space, a window in the shower that pours cold air or leaks when rain comes sideways. If the basement ceiling is marked, water has already left the room. Covering that history with a new wall is how the same stain returns next winter and looks like a mystery.
Layout is a drain question. If the toilet stays, say so. If you want a curbless shower, say whether you are on a framed floor over a basement or on a slab, because the slope has to go somewhere real. Grab bars need blocking if someone in the house needs them. You are not designing the whole room on the phone. You are preventing a pretty plan that the structure will not hold.
Heat and exhaust are the Kansas half of a bath remodel. A room on the north wall that has no real heat will freeze a line the first hard night you leave a window cracked. A fan that does not exit the house will load the attic or the joists with moisture that then drips in January and gets blamed on the roof. Know whether you can shut the water off, and know whether other drains are slow before you build a better room on a bad branch.
The plains will still freeze and the minerals will still crust the valve. Call with the town, the floor type, and what is already failing. Tub, shower, or the whole room, say which, and mention any stain in the basement. Call the number on this page.