- Ontario equalises net family property. It does not split each asset down the middle.
- What is measured is the increase in each spouse’s net worth between the date of marriage and the date of separation.
- Certain property is excluded, including most gifts and inheritances received during the marriage, if it has been kept traceable.
- The matrimonial home is treated differently from every other asset, and the difference matters a great deal.
The basic idea
Ontario’s scheme is not a division of property. It is a division of the growth in property. Each spouse calculates their net worth on the date of separation, subtracts their net worth on the date of marriage, and the resulting figure is their net family property. The spouse with the higher figure pays half the difference to the other.
The outcome is a single payment, not a transfer of specific assets. Title does not move because of equalisation; a car registered to one spouse stays registered to them.
This surprises people who expect a court to divide belongings. In practice the parties usually agree how to deal with the assets themselves, and the equalisation payment sits alongside that.
What goes into the calculation
Everything of value counts, whether or not the other spouse knew about it: real property, bank accounts, investments, pensions, business interests, vehicles, and personal property of real value. Debts are deducted.
Pensions deserve specific mention because they are frequently the largest asset in the calculation and are commonly overlooked. A pension earned during the marriage is family property and has to be valued.
The date matters throughout. Assets are valued as at the separation date, which is why that date is worth establishing carefully.
Exclusions
Some property is left out of the calculation entirely. The main categories are gifts and inheritances received from a third party during the marriage, certain damages awards for personal injury, and proceeds of some life insurance policies.
The critical qualification is traceability. An inheritance kept in a separate account remains excluded. The same inheritance used to pay down the mortgage on the matrimonial home generally is not, it has been converted into an asset that receives different treatment.
This trips up a great many people. Money that felt separate throughout the marriage can become shareable because of where it was put.
The matrimonial home
The home the spouses were living in at separation has its own rules, and they are unlike the rules for anything else.
The date-of-marriage deduction generally does not apply to it. A spouse who owned the home before the marriage, and who lived in it with their spouse at separation, ordinarily cannot deduct its value from their date-of-marriage figure. The whole value enters the calculation.
Both spouses also have a right of possession regardless of whose name is on title, and neither can sell or mortgage it without the other’s consent or a court order.
The combined effect is that bringing a home into a marriage has consequences that owning any other asset does not. It is one of the most common reasons people are surprised by their equalisation figure.
When the result would be unfair
The scheme is deliberately mechanical, which produces predictability at the cost of occasional harshness. There is a safety valve, but it is a narrow one: a court can order an unequal division where equalisation would be unconscionable.
That is a demanding standard, a long way beyond merely unfair. It is met rarely, in circumstances such as the deliberate depletion of assets or a very short marriage where the result would be grossly disproportionate.
Common-law relationships
The equalisation scheme applies to married spouses. Common-law partners in Ontario do not have an equalisation right, whatever the length of the relationship.
That does not leave them without remedies. Claims in unjust enrichment and constructive trust are available where one partner contributed to property held in the other’s name. But these are argued case by case and are harder, slower and less predictable than equalisation.
The practical gap between the two regimes is much larger than most couples assume, and it is the single most useful thing for a long-term unmarried couple to understand.
Common questions
Does it matter whose name the house is in?
For equalisation, generally not. Both possession rights and value treatment for the matrimonial home apply regardless of title.
What if my spouse hid assets?
Disclosure is compulsory and non-disclosure has consequences, including setting aside an agreement reached without it. A settlement built on incomplete disclosure is vulnerable.
Are debts shared?
Debts are deducted in each spouse’s own calculation rather than divided. A debt in one spouse’s name reduces their net family property, which affects the payment.
How is a business valued?
By a valuator, and it is frequently contested. Where a spouse controls a private company, valuation is often the largest single point of disagreement in the case.
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