The good news about turning a window into a door assuming it s wide enough is that the advanced carpentry required for altering a load bearing wall.
Turning windows into french doors.
If necessary build steps to lead up to the door.
Dan faires explains why it s better to let a professional install french doors.
Converting an existing window into a door opening with bi fold french doors is something that will take preparation and time to do but the end result will be fabulous.
Once determined nail the stringers into the wall for support.
So you ve just built a new deck on the back of your house and those once lovely double windows in the living room would now make a better door sliding glass or french out to that awesome deck.
Because you are almost certainly going to be increasing the width of the opening and very likely raising and lengthening the support header over the window as well you are going to to be above the cost in the referenced comments probably in the 2000.
Turning a window into a patio door may seem like an overwhelming project for a homeowner.
For example say you have a finished opening size of 72x80 then buy two sets of doors that are 36x80 and install them side by side according to the instructions.
The cost to install french doors starts at about 400 and with labor estimates running between 75 and 180 per door.
The kits have different assortments of parts and the dlx kit has enough parts to do a standard 6ft patio door 2 each full surround 15 lite grids 3 panes across and 5 panes down or several windows.
There s also another option you might not have considered yet converting an existing window into a french glass door.
If you want lots of light to come in a door can do that better than a window.
You can expect an average cost of 525 and up.
Here is a recent response on cost to install a sliding glass door which is quite a bit easier than a french door but same general size.
The patio door after it has been installed.
And one of the most cost effective remodeling jobs you can do is turn a window into a door.
Doors offer almost everything a window can offer and more.