Is that a coat closet for your split level entry. If you could find another space for those items, you could do a larger maser bath shower and expand the main bath a little more.

Olychick, if we go with a pocket or barn door, how long could the vanity be? It seems like that would make a very narrow walkway? I think I would only have 40" in front of the toilet? That would only leave 18" for a walkway? Maybe expand the pedestal sink to a small vanity that was 21" wide or so and extend the countertop across the top of toilet? Is that still done? That would be leaving 31" for the toilet from the wall to the vanity.

Karenseb, there isn't any place to relocate the coat closet's contents and there is also a support beam in the corner where the bathroom and the coat closet meet on the stair side. It would be nice to have space to expand there, though!

I think you could be creative with depth and width and placement, maybe even shortening existing vanity at bit, scootching tub toward toilet a little, etc. to give you a few more " in master. Here are a couple of pics to just get you thinking.

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Can you post a drawing of the existing bathroom?

The Toilet is presently behind the door? or is it presently on the garage wall?

ETA: Sorry! I see that the existing toilet is labeled.

Someone please correct me if I'm wrong, but I'm pretty sure 52" of width for a toilet and lavatory is not code compliant.

I can't see how a sink and toilet can fit on the on the 52 inch wall. I came up with this solution. Put the toilet across from a narrow vanity in the master. Enlarge your shower from 40 X 40 to 40 X 48. I would do a quality pocket door to the master. I did have a bathroom one time where the door opened up against the toilet, not great.

Use a narrow vanity in the main bathroom with one sink and put in a 30 or 32 X 60 inch tub/shower. Toilets require 30 in minimum.. 36 inches is best. I made the mistake in our last house of setiting the center of the toilet 16 inches from the wall and it was TOO close.

I think 17 from the center of the toilet to wall would work okay, 16 inches center to a vanity.

In the main bathroom, you have to be careful if the toilet gets to close to the vanity. You won't have room to stand there or open doors and drawers. If you do a deeper vanity, make sure you can use the whole vanity, unless you just want counter space.

Thanks, Karen. I like how your plan looks with the larger shower. I actually like the toilet the way it is in the room right now, 15.5" from center to wall. It's been that way since we moved in 10 years ago. But, it only has the wall on one side. Currently on the other side of the toilet is the towel rack and floor vent. I wonder if it would feel too boxed in to have a vanity there? I should mock it up and see how it feels.

I checked for vanities under 20 inches on wayfair and surpringly, they had a few. Most of them are shown with open space on the sides. That's because even though you could fit a 20 or 22 vanity next to the 30 inch toilet space, your sink would be very close to the wall. The recommendation is 15 inches from the center of the sink to the side wall.

Thanks, Karenseb. I think I would like a bigger sink in there.

To lessen bathroom noises in the living space, I tried to get the door farther down the hall and no plumbing in the common wall between bathrooms and living room.

Here's another...

And if having bigger vanities and more clear floor space is more important than a master shower, there's this. I know many gardenwebbers may say this is a bad idea, but This layout for the main bath is one of my favorite because of the nice size vanity and the private location of the toilet. (The shaded area could just be a ledge with shelving above for storage.)

Here is a different idea I had for the master bathroom. The shower could be approximately 40" x 52", with a corner vanity that is 29" on each side. This would require a pocket door to the master.

Thanks for your ideas, benjesbride! I do think a shower in the master is best. I do like your first one, though. What are the dimensions for the shower in the master? Would it be possible to do that layout for the hall bath without moving the door?

I don't think it's very appealing to open the door right onto the toilet. I recommend you get bids to understand the potential cost before assuming it's cost prohibitive.

One good thing about the first suggestion I posted is that all of the plumbing (except the master toilet) is on one wall. It's possible that keeping the plumbing on one wall will make the plumbers job easier thus saving you money.

I don't think it would be cost prohibitive to move the door, but it would require moving the electrical and the plumbing from that wall.

The "regular" bath layout that jensbride posted first is very similar to what our DD & DS shared for years and worked very well. The door, however, was a pocket style and placed directly across from the toilet. This allowed the vanity to be scooted around the corner to take up the whole wall. It leaves the toilet close to the tub, but with lots of elbow room. Our kids just learned to keep the door partially closed when the bath wasn't in use due to the "view".