You are going to want more than 32" for the toilet. 36" is standard (and perhaps even code in some areas???? Not here in Maine but I heard people saying that on other forums...) We have 34" and it feels fine but I dont think I'd want to go much tighter. You could solve that simply by flipping the closet and shower. So, have your shower -rotated 90 degrees and witha glass end wall- at the end of the tub (which is a nice setup you can see in many bathrooms, the tub deck can actually protrude under the shower glass wall and be a ledge or seat in the shower). Then the passageway moves to the left, and you can steal a bit of space from the other closet for the toilet. Either that of have a shorter vanity. 48" isn't a size I'd fight for. It's too short for a double vanity, really (unless you're using one of the new two-faucet 'trough" styles) so why not go down to 42" and have a better toilet area? For resale, though, you should consider a double vanity. Some people I guess expert truly huge ones, like at least 5+' long. But you CAN get smaller ones, Ikea has some great ones for tight spaces. But if you're not selling anytime soon, do what YOU like!! (But I still think you'll want more toilet space...)

I'm assuming from what the OP said that they don't want or need hall access to a bathroom that one of the bedrooms isn't going to be used as a bedroom. I also LOL at how home builders are so overspecific in naming the rooms on their floorplans. Like everyone wants a game room in the middle of all the bedrooms and home office, just the thing to ensure a good night's rest or undistracted working at a desk. One small item I find really irksome in this floorplan: the door to the master bathroom toilet room is ideally positioned to (a) block the entry from the bedroom when open, which it assumedly would be when not in use, and (b) whack the person using the sink when unexpectedly opened from inside. Also, that door to the upper left bedroom is a weird one. Perhaps to keep it from blocking access to the J&J bathroom when open, it's hinged on what would otherwise be the wrong side. As it is, especially since the bedroom closet extends further than the door opening, the door must be opened an awkward 180 degrees to enter the bedroom from the hallway. Another reason that favors making the upper right and lower left bedrooms the two en suites. This post was edited by lee676 on Wed, Jan 21, 15 at 15:32

It's not deep enough from front to back. Vanities are 21'' while kitcen cabinets are 24''. While you could place blocking at the rear to bring it forward, that wouldn't do anything for the box's ability to house a standard 22'' deep kitchen sink. You would need to add in all kinds of aditional support to be able to cut the back enough to fit in the sink and be able to reach the plumbing and still support a heavy sink full of water. A 2x4 frame ought to be able to do that, but it depends on the skill of the carpenter and what he'd charge you to completely remake the base. In most cases, he's right. The labor charge to do that would be more than just ordering the correct cabinet.

I think both walls are loadbearing, but i think we should be able to frame in smaller