Basement Bathroom Addition in the GTA: 2026 Costs & Permits Adding a bathroom below grade is one of the highest-value upgrades a GTA basement can get, and the short answer on price is this: a basement bathroom addition in Toronto and the 905 typically costs...
Can you convert a house into a fourplex in Toronto? As of 2026, yes — and you usually do not need a rezoning to do it. A fourplex conversion takes a single-family house and reworks the inside into up to four self-contained apartments, using a structure you (or a...
If you have unused space in your home — a full basement, a detached garage, or a big backyard — you may be sitting on a rental unit. A rental suite conversion turns that space into a legal, self-contained apartment — a secondary suite — you can rent out, adding a...
If you have read about the Toronto 4+1 and your next question is “what does it actually cost?”, here is the short answer: converting an existing house into a fourplex and adding a backyard suite typically runs about $1.8M–$2.2M all-in, while building the...
If you own a house in Toronto and you have watched rents and home prices climb, you have probably wondered whether your single lot could quietly become an income property. The answer, as of 2026, is a firm yes — and the model most builders now use has a nickname: the...
