Buying the window or door may be the least expensive part.

@Mark Bischak, Architect...Meaning that possibly the extra structural support needed for the "wall" will cost more?

"the extra structural support needed for the "wall" will cost more?"

Yes, a lot more. Crap ton of steel as the walls cannot help carry the structure above's weight.

$$$$$$$$$$

I can't imagine doing this in a cold climate. Most of these installations look Cali coastal and very temperate - like "ability to have windows open 11 months of the year" temperate.

And yes - the cost of both the window AND the engineering and structure to accommodate it will be very significant

There is also a geometric difference in cost and difficulty and air tightness between images with picture one being the easiest and least expensive to execute and picture two being the hardest and most expensive.

That said, in my opinion picture one is sort of a party trick that doesn't provide much bang for the buck because the entire configuration is pretty ordinary and traditional except for that missing corner.

This is really messy, but would a conventional corner in picture one be significantly less impressive than it's open corner? For me extra expense would not be worth it given the overall construction and design of the rest of that picture

I have an mcm flw house with those corner windows they are single pane so not energy efficient I live the look I am in

Pal, that first photo is probably an older LA property. The sliders look like older ones and probably had size limitations. These days they would have done multi-slide units that could be wider and taller than what is shown, with no vertical support structures.

We were able to do 10 ft tall sliders even with hurricane/impact glass, so non-impact could be even taller.

These corner sliding doors are now very common in FL and are offered as upgrades in even lower priced developments. If someone hasn't lived in CA or FL they might not realize how common these large sliders are in those locations, more so in FL.

Yes, I realize the one picture is not as new construction. But with those size limitations. I feel like it then puts Two verticals close to the corner instead of One in the corner, and I don't think it really improves the view, it's not like opening the corner prevented blocking the Eiffel Tower or anything and the skyline is actually blocked on the left. I think it ends up as a "look what I can do" sort of trick that isn't worth the effort.

The second picture with the big expanse of a single pane of glass may well be worth the expense if you have the budget. that is the true sort of voided corner that International Style architects were all over.

The corner slider is the sort of thing that will get less expensive with economies of scale, and may in fact, have a positive impact on how those rooms actually work in an inside/outside blurring kind of way.

For my money I would probably want the fixed glass panoramic thing unless I lived in a perfectly temperate climate completely without flying insects.

@palimpsest Good points. Yes, it's sort of a party trick, but especially in the case of open corner window walls, it would open up the entire span so much...it will be like one is outside and not separate from nature.

Cost isn't important in this case because it's a small house and maximizing the view is practically the only thing I care about in this house. We have probably just 2 or 3 corners that would work. Architect just finished making the elevations but haven't finalized windows/sliding doors.

@just_janni I did find some in cold climates, and will keep looking more.

https://www.nanawall.com/blog/money-saving-advantages-of-insulated-glass-walls

In yellow are the potential places for open corner windows, doors, or big glass for our new build. The view from each direction is mountains, aspens and forest. It's high on a ridge and very expansive views in almost all directions... Kitchen,DR and LR aren't separate. Wrap around deck most of these 3 sides, as shown. Comments welcome!

These product links might give you some ideas:

https://www.marvin.com/products/collections/signature/coastline

https://www.euro-wall.com/