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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Wills & Estate Planning Ontario » Making a Will & Power of Attorney Ontario » Will Planning for Grandparents: Leaving Money Directly to Grandchildren in Ontario

Will Planning for Grandparents: Leaving Money Directly to Grandchildren in Ontario

11 Jun 2026 5 min read No comments Making a Will & Power of Attorney Ontario
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In Ontario, leaving money directly to a grandchild under the age of 18 can result in the funds being locked in court until they come of age. To avoid this, generally, grandparents should use their Will to create a “Testamentary Trust,” allowing them to pick the exact age of inheritance and specify that funds be used for education or living expenses.

As a grandparent in Ontario, it is completely natural to want to leave a financial legacy for your grandchildren. Whether you live in London, Toronto, or Ottawa, you might wish to help them buy their first home, pay for university tuition, or simply have a safety net. 💰 However, skipping a generation in your estate planning introduces unique legal challenges that require careful drafting.

Many people mistakenly write a simple Will stating, “I leave $50,000 to my grandson.” Under the Succession Law Reform Act of Ontario, minors cannot legally control significant property. If you do not structure the gift properly, the government may step in to manage the money, and your grandchild will receive a lump sum on their 18th birthday-an age when many young adults lack financial maturity. This guide outlines the steps to safely structure your Will to protect your grandchildren’s inheritance.

Step-by-Step Process in Ontario for Grandchild Inheritances

Proper estate planning ensures your money is used exactly how you envisioned. 📍 Creating a structured inheritance requires working with an Ontario estate lawyer to draft specific trust clauses. Here is the step-by-step process.

Step 1: Understand the Danger of Direct Gifts

If you leave a direct cash gift to a minor grandchild without a trust, the executor of your Will cannot simply hand the cheque to the grandchild’s parents. In Ontario, any inheritance over $35,000 CAD left directly to a minor must generally be paid into the Accountant of the Superior Court of Justice. The Office of the Children’s Lawyer oversees these funds, and the parents must beg the court for permission to use the money for the child’s needs. You must plan to avoid this administrative nightmare.

Step 2: Establish a Testamentary Trust in Your Will

The standard legal solution is to create a ‘Testamentary Trust’ directly inside your Will. 📄 This is not a separate document; it is a dedicated section of your Will that springs into action upon your passing. You will legally state that the grandchild’s share of your estate is to be held in trust, rather than given to them immediately.

Step 3: Define the Terms of an Educational Trust

You have complete control over how the trust money is spent while the child is growing up. Most grandparents instruct their lawyer to draft an “Educational Trust.” This clause grants your chosen trustee the power to use the funds at their discretion to pay for the grandchild’s post-secondary tuition, housing, health care, and general maintenance while they are under the age of distribution.

Step 4: Select a Trustworthy Estate Trustee

Choosing who manages this money is critical. 👤 You must name an Estate Trustee (executor) in your Will. While many grandparents choose the grandchild’s parents for this role, you are not legally required to do so. If you feel the parents are financially irresponsible, you can appoint a trusted friend, a different adult child, or even a corporate trust company to manage the grandchild’s inheritance objectively.

Step 5: Set Staggered Distribution Ages

Giving an 18-year-old a massive sum of money is rarely a wise decision. A well-drafted Will in Ontario allows you to stagger the payout. For example, you can stipulate that the grandchild receives 10% of the capital at age 21, 40% at age 25, and the remainder at age 30. This ensures that if they make a financial mistake early in life, the bulk of their inheritance is still protected.

Step 6: Handle Special Circumstances (Henson Trusts)

If your grandchild has a disability and receives Ontario Disability Support Programme (ODSP) benefits, a standard inheritance will cause them to lose their provincial funding. ♿ In this scenario, your lawyer must draft a specialized “Henson Trust.” This gives the trustee absolute discretion over the funds, ensuring the inheritance is not counted as an asset by the ODSP program.

How Much Does a Will with a Trust Cost in Ontario?

Investing in a properly drafted Will saves your family thousands in legal fees after you pass. 💸 Here are the typical costs as of 2026 in CAD:

  • Lawyer Drafting Fees: A comprehensive Estate Plan (Will, Power of Attorney for Property, and Power of Attorney for Personal Care) that includes custom testamentary trusts generally costs between $1,000 and $2,500 CAD for an individual, or $1,500 to $3,500 CAD for a couple.
  • Court Holding Fees: If you fail to use a trust and the money goes to the Superior Court, the government charges management fees that slowly eat away at the grandchild’s inheritance over time.
  • Corporate Trustee Fees: If you hire a trust company to manage the funds instead of a family member, they typically charge 3% to 5% of the estate value as an administrative fee.

How Long Does the Process Take?

Drafting a Will is a surprisingly quick process if you know what you want. After your initial consultation with an estate lawyer, it usually takes 2 to 4 weeks for them to draft the documents and present them for your review. Once you finalize the terms, you must attend a brief signing meeting where the Will is executed in front of two witnesses, making it legally binding immediately.

Direct Gift vs. Testamentary Trust

Understanding the difference is key to protecting your wealth. 📝 Here is a comparison of how the money is handled.

Inheritance TypeWho Controls the Money?When Do They Get It?
Direct Gift (No Trust)The Ontario Superior Court (if under 18).Automatically at age 18.
Testamentary TrustThe Trustee you personally select.At the exact ages you specify (e.g., 25 or 30).

Frequently Asked Questions (FAQ)

What if I pass away before the grandchild is born?

You can structure your Will using an “open class” of beneficiaries. Instead of naming specific grandchildren, the Will states “to all my grandchildren alive at my death.” This ensures any future children born to your kids are automatically included without needing to rewrite your Will constantly.

Can the grandchild’s parents access the trust money?

Only if you name the parents as the Estate Trustees. Even then, they are legally bound by the rules of the trust and have a fiduciary duty to spend the money solely for the benefit of the grandchild, not for their own personal expenses or debt.

How are Testamentary Trusts taxed in Ontario?

In Canada, Testamentary Trusts are generally taxed at the highest marginal tax rate. However, a skilled accountant can flow the income generated by the trust directly to the grandchild, allowing it to be taxed at the grandchild’s much lower personal income tax bracket.

Can I just open a joint bank account with my grandchild?

This is highly discouraged. Joint accounts can expose your life savings to the grandchild’s future creditors, or family law claims if they marry and divorce. It also creates complex tax issues. A formal Will is the safest method of wealth transfer.

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