6 HELOC Mistakes to Avoid in Canada (2026)

A home equity line of credit is one of the cheapest, most flexible ways to borrow in Canada — and one of the easiest to misuse. These are the 6 HELOC mistakes we see most often in 2026, and how to sidestep each one before it costs you. Explore HELOC options.

The short answer

A HELOC is revolving credit secured against your home, capped at 65% of its value, with a variable rate tied to prime. Used well, it's a powerful tool; used carelessly, it quietly erodes your equity. Avoid these six mistakes:

• Treating your HELOC like income
• Paying interest-only forever
• Ignoring the variable-rate risk
• Over-borrowing against your equity
• Using it for depreciating purchases
• Not having a repayment plan

1. Treating your HELOC like income

A HELOC is borrowed money, not extra salary. Drawing from it to cover everyday spending — groceries, bills, lifestyle — feels painless because the limit is large and payments are tiny. But every dollar drawn is debt secured against your home that has to be repaid with interest.

The fix is to reserve your HELOC for specific, planned purposes (a renovation, a one-time investment, a bridge between income events) and fund daily living from actual income. If your day-to-day budget only works with HELOC draws, that's a cash-flow problem a line of credit can't solve.

2. Paying interest-only forever

Most Canadian HELOCs require only an interest-only minimum payment on the balance you've drawn. That keeps payments low, but it means the principal never shrinks. Pay only the minimum for years and you'll owe exactly what you borrowed, having paid pure interest the whole time.

Treat the interest-only minimum as a floor, not a target. Set your own principal repayment schedule, or use a HELOC payment calculator to model a payment that actually retires the balance. If you can't make headway, converting the balance to an amortizing second mortgage can force progress.

3. Ignoring the variable-rate risk

A HELOC rate is variable — it's tied to your lender's prime rate, so your interest cost rises the moment prime rises. Borrowers who budget around today's payment can be caught off guard when rates move, because there's no fixed term protecting them.

Before you draw, stress-test your own budget: could you still carry the balance comfortably if prime climbed a point or two? If a large portion of the balance is long-term, locking it into a fixed-rate product through refinancing may be cheaper and far more predictable than leaving it floating.

4. Over-borrowing against your equity

Just because a lender approves a limit up to 65% of your home's value doesn't mean you should use all of it. Maxing out your equity leaves no cushion if home values dip or your income changes, and it shrinks the buffer that protects you in a forced sale.

Borrow against a need, not against the limit. Leaving meaningful equity untouched keeps you out of negative-equity territory and preserves room to refinance or sell on your terms. A good rule: borrow the amount your repayment plan can clear, not the maximum the appraisal allows.

5. Using it for depreciating purchases

Securing a 5-to-7-year car loan, a vacation, or furniture against your house with a 25-year-payback mindset is a common trap. The purchase loses value or disappears entirely, but the debt — backed by your home — lingers, and the interest-only minimum hides how long you'll really carry it.

Match the loan to the asset. Reserve home-secured borrowing for things that build or preserve value: renovations, education, an appreciating investment, or consolidating high-interest debt through a debt consolidation mortgage. Finance depreciating items with shorter-term credit you'll actually pay off.

6. Not having a repayment plan

The biggest HELOC mistake is treating it as open-ended. With no payoff date and only an interest-only minimum due, balances can sit untouched for a decade. The flexibility that makes a HELOC useful is the same feature that lets debt drift indefinitely.

Set a target payoff date before you draw and reverse-engineer the payment needed to hit it. Automate more than the minimum, and revisit the plan at every mortgage renewal. If you're juggling several balances, a broker can help you fold them into one structured payment — talk to an advisor.

Frequently asked questions

How much can I borrow on a HELOC in Canada?

A standalone HELOC is capped at 65% of your home's appraised value. Combined with a mortgage, total borrowing can reach 80% of value, but the revolving HELOC portion still stays within the 65% limit, minus any balance sharing the security.

Is it bad to only pay the interest on a HELOC?

It's not dangerous short-term, but paying interest-only forever means the principal never falls — you keep paying interest indefinitely. Paying more than the minimum is how you actually clear the balance and protect your equity.

Can my HELOC rate go up?

Yes. A HELOC rate is variable and tied to your lender's prime rate, so your payment rises whenever prime rises. There's no fixed term locking it in, which is why budgeting for higher rates matters.

Should I use a HELOC to consolidate debt?

It can work well if the new rate is lower and you have a real repayment plan. Without a plan, you risk freeing up credit and running balances back up — see debt consolidation for the structured alternative.

Not sure if a HELOC is the right tool for your situation? Ask Maya for a quick read, or talk to an advisor and we'll compare a line of credit against a refinance or second mortgage with your real numbers.