Michael and Carole's place is located a little ways outside the Toronto CBD, however is very accessible by public transport to get to all the sights you need to see in Toronto. Michael provides fantastic local tips of what to see and do and where to eat if you're not sure (strongly recommend going a little bit fancy at The Ace - the peanut butter icebox pie is divine).
The space itself is quite small, as a solo traveller I recommend it, however if you are over 5'5" or so you might knock your head on the low ceiling! It's a very trendy space and cozy - warm in the fall when I stayed.
Although it is a basement apartment, to me it felt basically soundproof, I didn't hear anything except a creak in the floor here and there from upstairs and there's no traffic sounds! The hospital is right across the street, so you do hear some ambulances coming and going, but it seems intermittent and isn't an issue.
You're just two blocks away from trendy Roncesvalles Avenue, lined with plenty of fantastic places to eat - Ed's Scoops is great for dessert!
The only thing to note is the apartment only has a mini kitchen. It does not have stove or an oven. There is a fridge, a kettle,