Outside 7 1 4 x 4 29.
Bump out roof design.
You d want some footings supporting it which would add cost but i agree it would look nicer.
You can cantilever from 2x8 joists a maximum distance of 29 inches.
If your house s finished floor is above the grade of the landscape outside your contractor can build a bump out of up to about 3 feet deep and as long as 10 to 12 feet.
They put in a garden window.
Check with your building inspector.
There would be a step up on the roof that you d fill in with siding.
So if your existing joists are 2x8s 7 1 4 in.
For the underneath you can build an enclosure of cinder block under the bump out and then brick over it.
For example a 2x8 joist has a depth of 7 1 4 inches.
Floor joists can typically cantilever up to four times their depth.
Generally bump outs can be cantilevered a distance equal to four times the size depth of the floor joists.
Cantilevered bump out distance is limited by the size of the floor joists.
There is an additional bump out.
Deep the new joists can extend 29 in.
The front of the a frame is all windows.
There is also a bump out closet.
You could raise up the roof just over the bump out area not the porch.
It sounds farfetched but a bump out addition is a clever secure and economical way to add on says curt schultz a realtor architect builder in pasadena calif.
It s worth the added room.
A bump out addition is a great way to expand a small bathroom without messing with other nearby rooms.
One problem with a frame houses is that they can be dark inside.