As many of you know, Toronto currently allows "laneway suites" across the entire city on an as-of-right basis. What this means is that no variances or special planning permissions are generally required to build. Assuming you meet the by-law, you can go straight to a building permit.
This is how Mackay Laneway House was built and, though it required an extra layer of approvals from the forestry department because of a large on-site tree, getting a building permit was relatively straight forward. I think it took between 6-8 weeks from initial submission.
As part of the City's efforts to increase overall housing supply, another form of accessory dwelling unit is currently being studied: garden suites. Public consultations are now underway and, from what I have heard, the hope is to make these similarly as-of-right before the end of the year. Hopefully it'll be earlier.
I think this will be a positive thing for Toronto and so I would encourage all of you to complete the