I'm currently in the process of building my single story ICF home with a full walkout basement on the back.  I will have ICF walls from footings to roof.  The walkout side of my basement faces due south.  I'm building in west central Arkansas (cooling dominated climate).  With no roof overhang over the basement windows and patio door, I am concerned with direct summer time sunlight on the glass.  So I am concidering placing the basement windows and patio door towards the inside face of the wall and using the thickness of the wall and brick veneer to help shade the glass in the summer.  My basement walls are 8" concrete with 2.5" foam either side for 13" overall width.  Plus I'm having brick veneer installed which adds an additional ~4" to the wall thickness (2-3/4" brick plus ~1" air gap). 

For basement window and door placement, what I'm considering doing is adding an additional 6" width and 6" height to the rough concrete openings and then frame in on each side with two (2) 2x4s set flush to the inside face of the ICF wall.  The window and patio door nailing flanges would then be screwed to the outside of these 2x4s.  This would give me 3" on either side of the windows/doors to wrap the brick around the wall and bring it up to the window/door trim (with appropriate water sealing / flashing on ICF wall since the air gap behind the brick would be essentially nil).  For the windows, I would just use one (1) 2x4 at the top and three (3) 2x4s at the bottom framed opening.  I would apply a waterproof pan on the ICF wall below the window openings.  After the windows are set, I would pour a reinforced concrete ledge from the base of the windows to the outside edge of the brick veneer with 1-1/2" drop to ensure water drains away from the windows.  For the exposed ICF wall above the windows/doors, I would install the same vinyl or aluminum soffit material that I intend to install under my roof soffits.

I also have a one bay garage in my basement with roll-up door that will also be set to the inside face of the wall with brick wraping around the sides of the opening.

On the main floor of the house, I intend to set the windows and doors flush with the outside face of the ICF wall as is standard practice.  The glazing on the south side will have a 24" roof overhang to block the summer time sun (I have no windows on the west side, the east side is the garage, and the north side has a covered porch).

Has anybody else here done something similar where the windows and doors are set to the inside of the ICF wall?  Any input on the above plans would be appreciated.

Oregon State University, I think it is, has a web site calculator that will give you the angle of the sun relative to the earth for any time of day for any day of the year and for any US location. Google on solar angle and Oregon should find it.

With the solar angle known you can draw out your windows, the shading, and sunlight direction and determine just how much sun will come through your windows. Then all you have to decide is how much direct sunlight you're willing to live with and design the window set back and overhang for shade to give it to you. I think you'll find the wall thickness won't give anywhere near the shading you're going to want. You will probably have to come up with some sort of overhang shading.

I used the web site calculator and determined a 40" roof overhang, about a foot above the top of my SW facing windows, was required to limit the direct sun to about 20% of winter time full exposure. This is in SW Idaho. My windows are mounted on the outside of the ICF.

I just found my bookmark. It's University of Oregon and it looks like all they have is data for the Pacific Northwest. I'm sure you can find the data somewhere for where you live.

I'm pretty certain that the 13" or so of wall above my windows and patio door won't fully block all of the summer time sunlight hitting the glass, but I'm certain that it is much better than having the glass mounted on the outside of the ICF wall.

Calculations that I have done in the past show that I need ~30" of overhang to fully block the peak summer sun from the 6' high glass on the main floor. This is why I'm using 24" roof overhangs plus 5" gutters.

One thing I have also considered is having some small individual awnings made to fit right over the basement windows and patio door. With the windows and patio door set back ~13", I would only need awnings that project out ~16-18" from the brick to give me the desired shading.

Depending on your first floor layout, you might put a shallow deck across the back wall. That would shade your basement windows, create a shady zone on your outside patio, and reduce the heat gain into your ICF basement wall.