The Matrimonial Home in Ontario: The Special Rules

Of all the assets that come up in a family law matter, the matrimonial home tends to be the most emotionally charged — and the most legally complex. Ontario's Family Law Act gives the home a special status that differs in important ways from how other property is treated. Understanding these rules can prevent costly mistakes, whether you're the spouse on title or the one who isn't.

This article explains the key rules around the matrimonial home in Ontario: who has the right to stay, what happens when one spouse tries to sell or mortgage it, and how it's treated in the equalization calculation.

What Is a Matrimonial Home?

Under the Family Law Act, a matrimonial home is any property that the spouses ordinarily occupied as their family residence at the time of separation. The definition is intentionally broad. It does not matter whose name is on the title. It does not matter whether the property is owned outright or subject to a mortgage. What matters is that both spouses were living there as their home when the relationship broke down.

A couple can have more than one matrimonial home. A cottage that the family used regularly as a family residence can qualify alongside the primary city home. If two properties both meet the definition, both are treated as matrimonial homes for the purposes of the special rules — which has significant implications for equalization, as we'll explain.

Conversely, a property the family owned but never lived in as a family home — a rental property, for example — is not a matrimonial home and does not attract the special rules.

Equal Right of Possession

One of the most important protections in the Family Law Act is the equal right of possession of the matrimonial home. Both spouses have an equal right to remain in and use the home, regardless of who owns it.

This means that even if only one spouse is on the title, the other spouse cannot simply be told to leave. The non-title spouse has a legal right to stay in the home.

To physically remove a spouse from the matrimonial home, a court order is required. Courts can grant a sole possession order — essentially ordering one spouse to vacate the home — but only where the circumstances justify it, such as where there has been domestic violence or where the couple's continued cohabitation is seriously harmful to one of them or the children.

This right of possession does not depend on financial contribution. A spouse who did not pay a cent toward the mortgage still has an equal right to possession by virtue of the marriage and occupation of the home.

You Cannot Sell or Mortgage Without Consent

The second major protection is the consent requirement. Under the Family Law Act, a spouse cannot sell, mortgage, lease, or otherwise dispose of an interest in the matrimonial home without the written consent of the other spouse — even if the home is owned entirely in one spouse's name.

This is a significant departure from the normal rules of property law, where the registered owner can deal with the property freely. The Family Law Act overrides that default in the case of the matrimonial home.

What this means in practice:

• If one spouse is on title alone and wants to sell or refinance, they cannot complete the transaction without the other spouse's signed consent.
• A purchaser or mortgage lender who proceeds without this consent (and without first obtaining a designation that the property is not a matrimonial home) takes the risk that the transaction can be set aside.
• The consent must be truly voluntary — it cannot be obtained under duress or as part of an unconscionable arrangement.

There are limited exceptions — for example, where a court order removes the consent requirement in specific circumstances, or where the non-title spouse designates in writing that the property is not a matrimonial home. In practice, though, both spouses must be involved in any disposition of the matrimonial home.

Designation: Protecting the Home

Spouses can formally designate a property as a matrimonial home by registering a document on title under the Land Titles system. This is a protective step that puts anyone searching the title on notice of the matrimonial home status — which in turn puts them on notice that consent is required for any disposition.

Designating a property as the matrimonial home is optional — the protections apply by default to any property that meets the definition, whether or not a designation has been registered. However, registering a designation strengthens the protection and makes it harder for a transaction to proceed without the non-title spouse's knowledge.

The Matrimonial Home in Equalization: The Deduction That Doesn't Exist

For most property, the Family Law Act allows a spouse to deduct the value of property they owned on their date of marriage from their net family property calculation, reducing their equalization obligation. This recognizes that pre-marital wealth should not be entirely redistributed through the equalization formula.

The matrimonial home is an exception. If the property that became the matrimonial home was owned by one spouse before the marriage, that spouse cannot deduct its pre-marriage value. The full value of the home on the valuation date (the date of separation) enters their net family property without any deduction for what it was worth when they got married.

Consider what this means: if one spouse owned a home before the marriage worth $300,000 as of writing (verify current values in any specific transaction), and it is worth significantly more at separation, the entire current value — not just the appreciation during the marriage — is included in their NFP. This can substantially increase their equalization obligation and is one of the most consequential differences between the matrimonial home and other property.

This rule catches many people off guard, particularly those who owned a home before marriage and never thought to structure things differently. A marriage contract, signed before or during the marriage, can modify this rule — but that conversation needs to happen in advance, not after the fact.

When There Are Two Matrimonial Homes

As noted above, more than one property can qualify as a matrimonial home. If both a city house and a cottage were ordinary family residences at the time of separation, both attract the special rules — the consent requirement, the equal right of possession, and the inability to deduct pre-marriage value.

This matters particularly for families with vacation properties that are genuinely used as a family home (not just occasionally). If both properties are matrimonial homes, neither can be deducted to the extent they were owned pre-marriage, and both require consent for any disposition. This can be a significant factor in high-net-worth family law matters.

After Separation: What Happens to the Home?

Once the couple has separated, the equal right of possession continues until a court order or separation agreement resolves it. Common outcomes include:

• One spouse buys out the other: The home is refinanced or sold to one spouse, who pays the other their share of the equity. This requires a new mortgage in the buyer's name and consent to the transaction.
• The home is sold and proceeds are divided: Jointly listed, sold to a third party, and the net proceeds divided in accordance with the separation agreement or equalization calculation.
• One spouse remains temporarily: Where children are involved, courts sometimes allow the primary caregiver to remain in the home for a period to maintain stability for the children, with the financial settlement deferred.

Frequently asked questions