I would like to know the cost of 2nd story addition and extension at the back 20x20 App. along with basement in Toronto.
The prices range based on many factors involved, access to site, exterior and interior finishes, permits or possibly commity of adjustments can raise the cost per sqft. You could expect approx 220-340$ per sqft by contacting me we can discuss further. I can bring along some photos of my recent 2 storey rear addition with underpinning.
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