Generally speaking it will cost more to lift the roof on an attached garage than a detached garage.
Raise the roof on a garage.
You could brace the inside of your garage and use hydraulic lifts to raise the roof.
Roof lifting costs vary significantly.
2 walls are concrete breeze block single thickness.
Prices fall anywhere between 5 and 20 per square foot and beyond.
This is because it affects components of your home including but not limited to.
It has a pitched roof using modern w style trusses and concrete tiles.
Consult a contractor for an estimate.
Raise garage roof by 9 inches 1 i have a garage that is 4 5m wide by 7meters long.
Planning and permits removing the exiting roof framing the extended wall and installing the roof roofing and siding finishing the space total cost and cost value roi.
I have a reasonable sized garage that is of single skin construction using 6 thick breeze block rendered on the outside.
5 the roof is tiled with thin fake slate tiles.
If it is a detached garage and what we call western platform framing 2x4 framing sole plate top plate then detach the earth quake anchors and go along jacking up the structure a 2x4 width at a time every 4 ft until you reach the desired height.
Additional support may be needed if the roof is not very stable.
Approaches to raising the roof.
You might also try raising the actual garage itself but this obviously has structural challenges.
Roof lifting cost for garage.
There are six separate cost sections for raising a roof.