Toronto has spent three years changing its rules so that more homes can be built on ordinary residential streets. Fourplexes are now allowed across the city, and sixplexes in nine wards.[2][3] The policy question was whether people would build them. The investment question is different: can buildings with three to eight units ever be owned at scale, the way large apartment towers are?
Alliance REIT is betting they can. In late April, the Toronto-based trust announced an acquisition initiative to expand its "missing middle" portfolio across the city.[1]
The model
According to the announcement, Alliance buys underused properties, such as century-old single-family homes or mixed-use buildings, and converts them into small multi-unit rental buildings. It says it has converted more than 30 properties into hundreds of units over more than ten years, and that the portfolio runs at near-full occupancy with a waitlist.[1]
The target is three- to eight-unit buildings in established, transit-oriented neighbourhoods. Alliance describes its platform as vertically integrated, covering acquisition, development and property management.[1] The initiative is seeking both properties and joint-venture partners, and the trust says it is expanding its capital base to fund the pipeline.[1]
Why the segment is hard to aggregate
Small multi-unit buildings have always existed in Toronto. What's been missing is a way to own many of them efficiently. The obstacles are practical:
- Fragmented ownership. Each property is usually owned by an individual or family, so every purchase is a separate negotiation.
- Per-unit costs. Inspections, legal work, permits and design cost almost as much for a four-unit building as for a much larger one, so the cost per unit is high.
- Construction complexity. Converting a century-old house means dealing with old structures, servicing upgrades, fire separation and accessibility, all on a small budget.
- Financing. CMHC's multi-unit mortgage insurance products, including MLI Select, generally require at least five units.[4] Smaller buildings typically rely on other forms of financing.
A platform that does acquisition, design, construction and management in-house is trying to spread those fixed costs across many buildings. That's what makes the strategy different from a homeowner adding a basement suite.
How the economics differ from a tower
A small conversion has a different risk profile from a high-rise. Construction is shorter and usually wood-frame, with no elevators, underground parking or large mechanical systems. Each project is small enough that a problem on one site doesn't threaten the whole portfolio. On the other hand, the work is less predictable. Opening up an old building often reveals structural or servicing issues that weren't in the budget, and there are fewer economies of scale in purchasing and labour. A platform's ability to standardize designs and keep trusted trades busy across many sites is what determines whether those costs come down over time.
Why now
Alliance's own explanation is about timing. It points to softer asset values, less competition from traditional buyers, and more underused properties available, and says the current environment lets it buy at attractive prices while keeping underwriting discipline.[1] CEO Hooman Tabesh framed it as a market setting up for its next phase of growth.[1]
Those claims are the company's view, but the background is consistent with what is happening elsewhere in Toronto real estate: higher financing costs and weaker condo demand have thinned out buyers for many property types.
What the product offers renters
Small buildings in established neighbourhoods offer things towers usually can't: ground-oriented living, mature streets, local shops and transit within walking distance. Alliance says it focuses on location, livability and scarcity rather than trying to predict the market.[1] In a rental market where much of the new supply is small units in high-rises, a boutique building on a residential street is a different product, not just a smaller one.
Open questions
The segment is still early, and several things will determine whether institutional-style capital can work here:
- Execution at volume. Converting a few buildings a year is different from converting dozens. Construction management and permitting capacity become the constraint.
- Valuation. Small buildings trade less often, so there are fewer comparable sales to support valuations in a pooled vehicle.
- Liquidity for investors. Private REITs holding illiquid assets need clear redemption policies, especially when markets are soft.
- Policy follow-through. The city's multiplex permissions make the model easier. Further changes, such as sixplex permissions in more wards, would expand the opportunity.
Toronto's missing middle policy was designed to add homes one lot at a time. Whether it also creates a new asset class depends on platforms like this one proving they can run hundreds of small buildings as well as one large one.
Sources
[1] Alliance REIT launches acquisition initiative to expand Toronto's missing middle housing supply, Alliance REIT via Cision Newswire (Apr. 29, 2026): https://www.newswire.ca/news-releases/alliance-reit-launches-acquisition-initiative-to-expand-toronto-s-missing-middle-housing-supply-817031921.html
[2] Multiplex Study (2-4 Units), City of Toronto: https://www.toronto.ca/city-government/planning-development/planning-studies-initiatives/multiplex-housing/multiplex-study-2-4-units/
[3] Council votes to allow sixplexes in 9 Toronto wards, leaving suburbs to opt in, CBC News: https://www.cbc.ca/news/canada/toronto/sixplexes-toronto-approved-9-wards-1.7571079
[4] MLI Select, Canada Mortgage and Housing Corporation: https://www.cmhc-schl.gc.ca/professionals/project-funding-and-mortgage-financing/mortgage-loan-insurance/multi-unit-insurance/mliselect