We kept our modular shower, I don’t like it but I hide it behind the shower curtain. First, it was too big to pull through the doorway in one piece. Second, we feared the nasty floating particles (asbestos? fiberglass?) if we chopped it up.
If you go with tile, I would go for large squares, not subway tile though I like the look. Just think of all the crevices to keep clean!
Do you have a theme in mind? vintage, modern, country kitsch, outhouse colonial (:D)?
We used some vintage pieces, claw foot tub that we bought cheap ($90) but had reglazed and a vintage medicine chest ($45) that needed the lamps rewired.
For one floor I found a good vinyl remnant cheap, splurged on Armstrong for the other floor. White toilets and sinks and vanities from Loews, the vanities are just boxes really, but we found them with the wainscot doors for the cottagey look we were going for. Inside are expandable shelves from BB&B.
After the remodel I wanted to make sure we did not encourage clutter creep on the sinks and stuff. So there is a glass shelf below the medicine chest that holds the small jars, and trays of stuff we like to keep handy.
I found some towel bars and such at BB&B on sale so I went a little crazy but who hangs just one towel at a time? Double up on the towel bars, add some hookd for clothes and robes. Use the wall space for storage, shelves or a cupboard can hold extra towels or supplies.
As you can tell we did it ourselves, took forever, but glad we had the time to find the fixtures we wanted and to add the details that sprung to mind as we went forward.
Overall it shouldn’t cost that much to hire it out, I would think no more than 5k should do it.