Are You Leaving Money on the Table?

Every year, many Canadians receive smaller refunds than they're entitled to simply because they don't know which deductions and credits they qualify for. The Canadian tax system offers a wide range of benefits — but it's up to you (or your tax preparer) to claim them.

Here are some of the most frequently missed deductions and credits worth knowing about.

1. Home Office Expenses

If you worked from home, you may be able to deduct a portion of your home expenses. There are two methods:

  • Temporary flat rate method: A simplified option that doesn't require employer certification.
  • Detailed method: Requires a completed T2200 (Declaration of Conditions of Employment) from your employer and allows you to claim a broader range of expenses proportional to your workspace.

Eligible expenses under the detailed method include a portion of rent, utilities, internet, and maintenance costs.

2. Medical Expenses Tax Credit

This credit covers a wide range of out-of-pocket medical costs not reimbursed by insurance. Many Canadians don't realize how broad the eligible list is:

  • Prescription medications
  • Dental work (not covered by insurance)
  • Eye exams and prescription glasses or contacts
  • Private health insurance premiums
  • Physiotherapy and chiropractic services
  • Assistive devices
  • Medical travel expenses (when local services aren't available)

You can claim eligible expenses for yourself, your spouse, and your dependent children. The credit applies to amounts exceeding a threshold (the lesser of 3% of net income or a fixed annual amount set by the CRA).

3. Tuition Tax Credit and Transfer

Post-secondary students can claim the federal tuition tax credit for eligible tuition fees. If your tax payable is lower than the credit, you can carry forward the unused portion to future years — or transfer up to $5,000 to a parent, grandparent, or spouse.

Students often forget to claim this credit or fail to transfer unused amounts to a supporting family member who could benefit immediately.

4. RRSP Contributions

Contributions to a Registered Retirement Savings Plan (RRSP) reduce your taxable income dollar for dollar. This is one of the most powerful tools for lowering your tax bill. Remember:

  • You can contribute up to your available RRSP room (shown on your Notice of Assessment).
  • Contributions made in the first 60 days of the year can be applied to the previous tax year.
  • Spousal RRSP contributions can be a strategic income-splitting tool in retirement.

5. Childcare Expenses

If you paid for daycare, after-school programs, day camps, or a nanny so you could work or study, those costs may be deductible. Generally, the lower-income spouse must claim this deduction, and there are per-child limits depending on the child's age and any disability status.

6. Moving Expenses

If you moved at least 40 kilometres closer to a new workplace or school, you may be able to deduct eligible moving costs. These include:

  • Transportation and storage costs
  • Travel expenses (meals and accommodation)
  • Temporary living costs
  • Cost of cancelling a lease or selling your home

7. Disability Tax Credit (DTC)

The Disability Tax Credit is a non-refundable federal credit for individuals with a severe and prolonged impairment. It must be certified by a medical practitioner using Form T2201. Many eligible Canadians don't apply because they're unaware they qualify or find the process daunting — but the savings can be substantial.

8. First Home Buyers' Amount

If you purchased a qualifying home for the first time, you may be eligible for the First-Time Home Buyers' Tax Credit, which provides a non-refundable credit based on a set purchase amount. Check the CRA website for the current eligible amount.

Keep Your Receipts

You don't need to submit receipts when you file electronically, but the CRA can request them at any time. Keep all supporting documentation for at least six years after filing.

Final Thought

Taking the time to understand which deductions and credits apply to your situation is one of the simplest ways to increase your refund. When in doubt, review the CRA's full list of deductions and credits or consult a certified tax professional.