Thanks, that's just what we were thinking. We tried putting the (double) vanity on the outside wall to add a window (between the mirrors and have a lower lever makeup table) back to the room which moved the shower to the inside wall. I would love a walk in shower(for wheelchair access) with a tiled floor/drain and no shower pan, we found some river rock tile to use for the floor. I put the shower in to walk around the wall to get in for privacy--just saw a commercial for a rain shower head to eliminate water splash. Will try to attach the revised drawing (or find one of my kids to do it for me!) Any thoughts?

Here’s a pic of the space - originally a bedroom that will be converted to an en-suite main bath. The window is awesome, but are removing it and extending that wall out to absorb a small “patio” area (it’s great for letting light into this room and hallway, but that’s about it). Would plan to add a skylight in that window area instead. The overall footprint available for the bathroom is 16’ L x 11’ W. The door will go on the side the “photographer” was standing, and we’re hoping to create a little closet that side as well (ie, between the bathroom wall and bedroom area the “photographer” is standing in).

Both our existing and new bathroom are similar to your bathroom 3--rectangles with all the fixtures in the main space. We are using the same lighting for the new one as for the current, since we are happy with it. For that, we have a fan/light combo centered in the space, and then two sconces on either side of the medicine cabinet. In the new bathroom, we're using a humidity sensor switch, because our state's current code requires either that or a sensor in the fan itself. (The fan sensors are supposed to work better, but don't allow for manually turning the fan on and off, and we wanted to be able to do that.) In our current bathroom the fan is on a timer (but my kids constantly forget to turn it on, so that's high on my list to change out based on how we like the sensor switch in the new bathroom). Our sconces are on vacancy sensor switches (also required by our state code) and both are switched at the vanity rather than at the wall with the ceiling light. I had actually forgotten until I read through an old thread I posted here that this was not our preferred configuration when we updated the electrical in the existing bath 8 years ago--but as it turns out, we really like that setup so replicated it in the new bath. In your Bathrooms 1 and 2, though, it looks like you have walls separating the toilet room and the shower. Assuming those are full walls, you would want lighting for those areas separately from the main room. There, I'd probably use a fan in the shower area, and then light the toilet and sink areas separately.

The best bet to keep costs down is to leave your plumbing where it is. So you won't be appreciably moving the fixtures. First, find out what's in the wall where you'd like to move the door. Then find out why the shower is 3.5" lower than the rest of the floor. Once you know those 2 things, you'll have some idea of what is possible. Then you need to decide what the main use for this bathroom is. If it's basically a powder room that happens to have a shower, your approach will be different from what it would be for a full-use bathroom. For a full-use bath, this is what I'd do: if possible, move the door over consider boxing in the ceiling pipes if possible, raise the shower floor get rid of the framed, glass shower door. Consider replacing either with a curtain (inexpensive and easy to clean) or a an unframed glass shower enclosure (expensive) do the entire floor including shower in the same tile decide if there is room for a vanity instead of a wall sink. If not, determine where other storage space can be created add more and better lighting add an exhaust fan