Unpaid Renovations and Labour: When They Support an Unjust Enrichment Claim in Ontario

Spending years and real money renovating a home that legally belongs only to your partner is more common than people realize — and it can turn into a serious problem if the relationship ends. Ontario law doesn’t automatically give you a share of the property just because you did the work. But under the right circumstances, unpaid renovations and labour can support a legal claim.

This article explains when that’s likely to be the case, and what you’d need to show.

Why Unpaid Work Can Matter Legally

The relevant legal doctrine is unjust enrichment: broadly, a court asks whether one party was enriched, whether that came at a corresponding cost to the other party, and whether there’s any lawful reason — a contract, a genuine gift, or another legal justification — for the enriched party to keep the full benefit without compensating the other.

Unpaid renovation work fits naturally into this framework. If you put money or skilled labour into a property that’s solely in your partner’s name, and the relationship later ends without any compensation or sharing of that increased value, you may have grounds for a claim.

The Kind of Contributions That Can Support a Claim

• Skilled or unskilled labour you personally performed on the property — renovations, repairs, or improvements
• Materials or contractor costs you paid for out of your own funds
• Taking on more household or childcare responsibilities that freed your partner’s time or money to work on or pay for the property themselves
• Using your own credit, or co-signing financing, to help fund renovations

What Courts Look At

• The increase in the property’s value that can reasonably be attributed to the work or money contributed
• Whether your contribution was clearly intended as a gift, with no expectation of being repaid or sharing in the value created — versus an expectation, express or implied, that you would benefit from it
• Whether there’s some other juristic reason the enriched partner is entitled to keep the full benefit, such as a written agreement stating renovations were a gift
• The length and nature of the relationship, and whether the renovation work fits into a broader pattern of pooled effort that could support a joint family venture argument rather than a narrower claim tied to one project

Evidence That Helps Prove the Claim

• [ ] Receipts for materials, permits, and any contractor invoices you personally paid
• [ ] Photos or records documenting the work, before and after, and your role in it
• [ ] Bank or credit records showing your financial contribution to the renovation
• [ ] Communications discussing the renovation, any expectations about sharing value, or future plans for the property
• [ ] An appraisal or other evidence of the property’s increased value, where available

The more contemporaneous documentation you have — created at the time, rather than reconstructed afterward — the stronger your position tends to be.

What You Might Recover

There’s no fixed formula, and outcomes depend heavily on how the claim is framed and what you can prove. Possible approaches include compensation reflecting the value of what you contributed, or, where the broader relationship shows genuine pooling of effort and resources, a proportionate interest tied to a joint family venture argument rather than a narrower calculation limited to the renovation project alone. A lawyer can advise on which approach realistically fits your facts.

Frequently asked questions