The kitchen layout does NOT work. Green is right that you cannot stand at your sink and load the DW. If you are going to do an angled island like that, it needs to be MUCH larger to work well and to adequately separate the cleanup and prep zones. You need at least 12" cabinet between the corner angle and the DW to be able to stand at the sink and load the DW. And that cleanup zone needs to be opposite the prep zone side of the sink if you are only going to have a single sink. It would be a better layout to put the cleanup zone on the top run next to the refrigerator, and then straighten the island out and put a prep sink on it to have actual prep space on the island. Right now, it doesn't meet the minimum guidelines for 36" adjacent to a water source for prep. And the clearance between the wings and the walls is tight. This is a one person kitchen. If you envision any one helping in here, then it needs to be completely redesigned. I'd personally swap it with the dining room so that it could be lighter. I dislike a dark interior kitchen, whereas a dining room can be a dark interior room because it's mainly utilized in the evening when there is no natural light anyway. The addition of a closet to the office may make it a technical bedroom, but I'd want more room to be able to realistically have a bed in it. And get rid of the angled entrance. It's only hurting the furniture placement in the room. I'm not a fan of the bathroom that ate the house syndrome, but I'd at least want a double vanity in the master. And I'd want the other upstairs bath to be accessible from the hall rather than just the bedroom. If the office has to count as a bedroom, then it HAS to have access to a bathroom. The two baths should also be back to back, as that simplifies the plumbing, and it allows the bedroom to have the choice corner location with windows in two directions. Most locations do not allow a direct stair from a garage to a basement living area. The stair would need to be in a mudroom type area with a fire door between it and the garage. I would redesign the surplus garage space to create a mudroom and pantry space from it and to contain the stairs to the garage.

What is the full size of the living room as I can't read the measurements? I am still thinking on ARG's suggestion for the screen porch but if I were to add it to the south side of the family room, would you still suggest moving the fireplace? I think adding the screened porch to the south side of the house would lose you more than you'd gain. I think you really need to bring that light in. I wouldn't put the screened porch on the south side at all. I think it would completely darken your house. If you want to do anything, one thing I'd consider is to wrap the deck around to the south side and then maybe add a pergola. This way the light still gets through but it helps protect a bit during the summers. BTW: I love the idea you have for the screened porch and I think ARGs idea fits your vision perfectly. It almost becomes an extension of your living room and dining room the way he's designed it. More space that when opened becomes indoor/outdoor space. Plus since the back of the house faces east, you're not going to lose any light by placing the screened porch there except in the early morning. Would it not need to stay where it currently is to provide a focal point or an anchor to the design of those 2 rooms. Does that make sense? In reality, how often will you use the fireplace? (And I ask that question knowing that I put a fireplace in my SW Florida home. LOL) I think if done right the windows and/or doors out to the south of the house could become just as much of a focal point from the kitchen and dining room. Maybe even more so because people are naturally drawn towards light. If you anchor your furniture in an L shape facing the outside and the fireplace on the west wall, I think you'll be fine. How about beautiful french doors? Or sliders? Or?

I suggest take the island back to the original size and make the opening to the dining room smaller. If the opening is half as big, you'll have room for the TV to go on the new wall you create from the large opening. Then a 3-seat sofa and four swivel chairs can be squared up in a "U" out in the middle of the great room space. I would also eliminate the French doors onto the screened porch. You have so little wall space for anything but a table, and a rug won't work if that door swings into the room. Rug will need to be 36-42" larger than the top of your table and not run into walls, furniture on the walls or doors. Move the French doors to the bedroom at the north of the screened porch. You may need smaller scale than shown here, especially the coffee table.

Okay: This is what I came up with! Of course, the way you use this space is EVERYTHING. I created two separate seating areas - divided by a "dining" area. One being an outdoor sectional which could be around either an additional fire pit, coffee table, or even ottomans. Near the fireplace/TV is a teak set - a sofa, two chairs, and coffee table. It also depends if you plan on bringing a grill onto the porch as well! Below are the exact pieces I used in the layout: