What Is “Exclusive Possession” in Ontario Family Law?
- Julia Fogarty
- 2 days ago
- 4 min read
When a relationship breaks down few issues are as emotionally and financially charged as who gets to remain in the family home. In Ontario, where one spouse excludes the other from the use and enjoyment of a matrimonial home, this concept is referred to as exclusive possession. Exclusive possession is a powerful legal remedy that allows one spouse to remain in the matrimonial home to the exclusion of the other, even if both parties are legal owners of that property.
For high-net-worth individuals and families with complex financial and parenting dynamics, exclusive possession is not simply about occupancy --it is often a strategic inflection point that can influence parenting outcomes, financial exposure, and overall litigation leverage.
Legal Framework: The Family Law Act
Exclusive possession is governed by section 24 of the Family Law Act, R.S.O. 1990, c. F.3 ("FLA"). Under section 24(1) the court may make an order granting one spouse the exclusive possession of the matrimonial home, regardless of ownership, meaning:
A spouse can be removed from a home they legally own;
The remaining spouse gains the right to occupy that home alone; and
That order is usually temporary (interim) pending final resolution.
What is a "Matrimonial Home"?
Before exclusive possession can be considered, the property must qualify as a matrimonial home under section 18 of the FLA. In very simplified terms, this is a property that was ordinarily occupied by the spouses as their family residence at separation. Sometimes a matrimonial home can also be designated property with cooperation during the relationship. Ownership is irrelevant, even a home owned solely by one spouse can be subject to an exclusive possession order.
What Do The Courts Consider in Ordering Exclusive Possession of a Matrimonial Home?
The court will not grant exclusive possession lightly. It's a drastic remedy that interferes with property rights. Under section 24(3) of the FLA the courts may consider:
Best interests of any children;
Any existing orders or agreements between the parties or the court;
The financial position of both parties;
The availability of other suitable accommodations;
Any violence committed by a spouse against the other or against the children;
Any relevant medical needs; and more.
The dominant factor, in practice, tends to often be the best interests of the child. Where there are children involved, their stability, schooling and continuity of care will carry significant weight with a judge.
It is important to appreciate the significance of these rights for married spouses. The Family Law Act creates a unique statutory regime where both spouses have an equal right to possession of the matrimonial home, regardless of legal title. Exclusive possession is the mechanism by which the court temporarily alters that equality --carefully and only where the evidence justifies it. In practice, this means that even a titled spouse's proprietary interest can be subordinated to considerations of fairness, stability and risk management during the litigation process.
What if you're a Non-Titled Common Law Spouse?
For common law spouses, the analysis changes significantly. Parts I and II of the FLA do not apply, meaning there is no automatic right to possession -- regardless of the length or nature of the relationship. As a result, the titled spouse is often able to obtain an order requiring the non-titled spouse to vacate the subject property since you do not have an automatic right to possession.
Where the FLA fails a common law spouse, case law provides them with a potential remedy when they're able to demonstrate at least one of the following:
That the common law non-titled spouse seeking exclusive possession has a claim with merit to a beneficial interest in that property; or
They are seeking a transfer of interest in the property to satisfy a support claim.
Where the non-titled common law spouse seeks to remain in the matrimonial home the analysis becomes one couched in the principles of equity, with most often a showing of a claim for unjust enrichment or constructive trust. If there is a credible claim that the non-titled spouse contributed to things like the acquisition, preservation, improvement, or maintenance of the property in a substantive way there is potential grounds to remain in the property. This is demonstrated in cases like Morningstar v. Holley, where they discuss whether it would be unjust to permit a sale or eviction before those property rights are fully canvassed at trial. This issue comes up often in family court, and the court remains cautious about making determinations that could effectively extinguish a party's potential proprietary rights before trial. An alternative ground a spouse may pursue to resist eviction is by seeking a transfer of an interest in property to satisfy a support obligation under section 34(1)(c) of the Family Law Act. This section is less commonly relied on but the mechanism in place recognizes that property and support often go hand-in-hand, especially in situations of domestic responsibilities being carried by one spouse without compensation. In some cases, where the facts align, the courts have acknowledged that unpaid support may justify this proprietary remedy.
So where the FLA fails a common law spouse, the courts have sought to make up the difference equitably through case law. So though there is no statutory basis for doing so, the court may, given the right facts and circumstances, intercede with an order that provides the same practical results. To get this relief though is considered to be exceptional, and most often only seen where there are other issues such as family violence, financial dependency, medical vulnerability, or the absence of other suitable alternative housing.
Despite the heavier burden to establish a claim, the court have prioritized this equitable fairness on multiple occasions, like in Joyce v. O'Neill and Morrison v. Barbosa, where they chose to uphold fairness and hardship over strict legal title and permitting the non-titled spouse to remain in the home where the evidence demonstrated long-term residence, dependency and a credible claim to an interest in the property. These decisions underscore a critical point --while statutory framework may exclude common law spouses, equity will intervene where justice requires it.
In high-stakes family law matters, a cohesive legal strategy —guided by experienced counsel —can shape outcomes long before a final decision is ever made. If you are navigating separation, seek advice early to protect your position, and follow along for further insights on complex family law issues.
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