Insights

Practical guides on Toronto multiplex development.

Written by the team at Green Street Flats. Real numbers, real lessons from 8 completed buildings and a 200+ unit pipeline across central Toronto.

Toronto sixplex rules, 2026: the nine wards, the waivers — and what you can actually build

Where six units are as-of-right, what the development-charge waiver is worth, the four-storey envelope — and whether six is even the right number for your lot. Read the guide Zoning

A practical guide to Toronto’s multiplex zoning

What the 2023 bylaw change actually permits, when a sixplex or larger is allowable, and the common mistakes that kill an otherwise viable project. Read the guide Strategy

Why Toronto’s missing middle is the most under-built category in the city

What “missing middle” means, why it disappeared, why it’s coming back — and why purpose-built rental at this scale is the part of the market worth building. Read the essay Comparison

Fourplex vs. sixplex vs. multiplex — which is right for your lot?

A plain-English comparison of the three primary missing-middle typologies: lot requirements, costs, returns, timelines — and why the as-of-right fourplex is the floor, not the ceiling. Compare side-by-side Cost

What does it cost to build a multiplex in Toronto?

The five real cost categories, why “cost per square foot” is the wrong question, and what 65,000 SF of delivered space has taught us. Read the breakdown