Also look at this thread: What was Your Best Bathroom Remodeling Decision? And a more recent thread: What was Your Best/Worst Remodeling Decision? some things I thought of over the last few days: The bathroom is more complected to build than a kitchen in my option, because of the techniques involved with installing the elements. Of course layout and flow are considerations just like a kitchen. But in a bathroom there is the toilet and shower that can get difficult. If these two features have problems, you have problems. You are constantly managing water in a variety of forms, liquid and vapor, but hopefully not ice, lol. As you probably are well aware form follows function. Decide what you need to have the bathroom accomplish. I see that you have a walk in closet. Some people do put them in the bathrooms. I don't know how that works. There are several articles in the Houzz side of this site that are written on closets. They are informative and inspirational. I would try to have a W/D somewhere close to this area of the house. There is no reason you can't have 2 sets, one near your bedroom and one in the basement, or were ever. Over on the Laundry forum there is a lovely example Linus from Sweden posted on their laundry "rooms". Here is a link for fun: Showing My Laundry Room in Sweden 1) where are you putting exhaust fan/s? Besure to have enough gap under the door for "makeup air" so the fan can work effectively. You'll need to calculate how much ducting you'll have because that will impact what CFM fan you'll use. I call Fantech and they helped me figure mine out. They are reportedly good. There are other companies too. 2) Electrical outlets. I have one by my toilet at about 12" off the ground for an advanced toilet seat which, if you have a choice, is a must. Also electrical outlets within the vanity to accommodate hairdryers, etc. I have an outlet in my medicine cabinet too. I also have one in my small laundry surround so I can use an iron with the small pullout ironing board I have. 3) Floor warming wires, for the winter. You will love it. It only goes in open areas. Be sure to run it under the toe kick so you don't get cold toes. It does not go under the tub, unless they've changed specs. It is to be safely margined away from the wax ring of the toilet rough-in. Get the 240v, and lay an extra thermostatic probe under the tile, in case one goes bad, you'll have a spare. It just gets wrapped up and tucked in the box, ready and waiting for the first to fail. 4) If you are tiling your shower I would recommend porcelain over marble or other stone. The new porcelains are gorgeous and do not absorb moisture. Natural stone will take more upkeep. I used epoxy grout in my bathroom. It is not porous. Others have used cementous grout without problems. I would not use HD standard Custom Blend line for anything. People have had quality control issues, with color, etc. Laticrete is a great brand. There is Bostik that is very good. Mapei is good to I believe. If you have any detailed tiling questions, they can be answered by some on this forum, but it seems those members are not frequently posting any longer. They stop in from time to time. Go to the John Bridge Forum, for tile help professional scope. Be sure to know how a shower is put together from the studs out. You will need to know this! This is the biggest issue I have noticed on GW. People are always posting about dysfunctional showers and the poor tilers that do them. You need to do this homework before you hire it done or your GC hires it. Do not let work continue that is not to code or not to what you know to be standard work in the tile industry. There are standards and they need to be followed. You don't want to have to tear out a shower because of piss poor workmanship. 5) Benjaman Moore Aura Bath and Spa is a very nice paint. I've really liked the matte, velvety finish. 6) Plan your vanity to do what you want it to do. I keep my underware in mine. with my W/D being in the same room it made sense. DH gets his put in there too. Here is a link to my recent reveal that is long in coming, as the bathroom has been done for 1.5 years. My West Bathroom Reveal from Project in 2013-2014

Thank you for asking for more clarifications: This is an existing master bedroom, not an addition. The outside shape of the home on the "top" and "bottom" of the drawing page can't be changed due to property setbacks. The "right" side of the drawing currently has two patio doors that open to a 4ft wide catwalk that is around 4-5ft above ground - the house is a split entry so there are windows for the downstairs bedroom and office under that catwalk. Due to the roof design and cost to change it, we don't really want to consider pushing out the wall on the right that has the patio doors. To the "left" of the drawing on the other side of the wall of the existing bathroom is the kitchen. To the other side of the wall of closets in the bedroom and "below" the area noted as 5ft hallways in the bedroom is the opening for the split entry steps. Not shown in the drawing to the left of the kitchen and steps is the living room/great room.

How long have you been in the home? Generally, as with other major life events, you shouldn't make any major decisions for a year. Live in it, learn how it functions for you, see how the light changes things over the passing of seasons. You may learn to appreciate many of the things you now think need changing, ant others you haven't thought to change will demand it. Lack of color will probably be one of the major issues for you, but that is easily changed with the addition of pillows, throws, a new rug or drapes. This will also give you time to build a few ideabooks here on HOUZZ to help you get the exact direction you want to take sorted out.

Thanks MissRed 58! I would not put a wall or enclose the toilet. Just build the shower and have either a full or half wall of tile next to the toilet .Then you can use the same treatment on the shower wall next to the window or use glass on the other 2 sides of the shower. The room will look and feel more spacious and light but you will still have plenty of privacy for the toilet. I understand wanting storage but I think if you put a cabinet with a solid wall next to the window you will lose the light and only view you have in the room. Actually if you do 2 sides of glass and a solid wall of tile next to the toilet it will give you an entire wall to put all of your plumbing with easy access from the toilet side if you have a problem. You could to half tile/half glass wall on the sides of the shower and build the 1 foot wide cabinet on the side of the shower near the window and same on the side near the toilet. But I always worry about leaks with half tile/half glass. Would probably prefer the 2 sided glass and 2 solid tile walls and optimize storage in the vanity. Or build the wall near the toilet thicker and add storage near the toilet if you feel you need. Hope you can follow my jibberish above!!