HELOC vs Second Mortgage Canada 2026: Which Should You
Canadian homeowners sitting on hundreds of thousands in home equity have two main options to access it: a HELOC (revolving line) or a second mortgage (lump sum, fixed term). Here is how they compare in 2026.
| Factor | HELOC | Second Mortgage |
|---|---|---|
| Structure | Revolving line of credit — draw as needed | Lump-sum term loan |
| Rate type | Variable — prime + margin (usually prime + 0.5%) | Fixed for term |
| 2026 typical rate | Prime 4.95% + 0.5% = ~5.45% | 7-12% (subprime/private lenders) |
| Max LTV (combined with first mortgage) | 65% (readvanceable HELOC), 80% total incl. mortgage | 80-90% with private lenders |
| Repayment | Interest-only minimum; revolving | Fixed amortization 5-25 years |
| Setup cost | $0 if bundled with mortgage; $200-500 standalone | 1-5% of loan (legal, appraisal, broker fees) |
| Qualifying | Stress test applies; tight income requirements | Often easier at private lenders but much pricier |
| Interest deductibility | Yes if used for investment purposes | Yes if used for investment purposes |
| Best for | Renovations, flexible ongoing access, debt consolidation | Bad-credit borrowers or short-term bridge financing |
Our Verdict
For prime borrowers with a good credit score and stable income, a HELOC from a major bank is almost always the better tool — lower rate, free setup if bundled, revolving access, and interest-only minimum payments. A second mortgage from a private lender is best thought of as a last resort: you use it when you cannot qualify for a HELOC because of credit issues, self-employed income, or already-high leverage. Always exhaust HELOC options (including credit union HELOCs) before accepting a second mortgage.
Why this comparison matters
The average Canadian homeowner has over $500,000 in home equity. Unlocking even a portion of that equity through the wrong product can cost 400-700 basis points more per year than the right one — thousands in unnecessary interest.
Quick Verdict
HELOC for prime borrowers. Second mortgage only for subprime or short bridge needs.
When a HELOC wins
- Your credit score is 680+ and your income passes the stress test.
- You want flexibility — draw what you need, pay interest only on what is drawn.
- You are funding a long renovation where costs unfold over months.
- You want to consolidate credit card debt at a much lower rate.
When a Second Mortgage wins
- Your credit is bruised and you do not qualify for a HELOC.
- You are self-employed with income that does not pass traditional stress tests.
- You need a short bridge (6-12 months) before a sale or refinance.
- You are already at the 65% HELOC regulatory cap.
The cost math
$100,000 for 3 years of a reno. HELOC at 5.45%: ~$16,350 in interest. Second mortgage at 9%: ~$27,000 interest. The gap grows as rates compound and lender fees load onto private loans. Model both in the HELOC calculator.
FAQs
Is HELOC interest tax-deductible? Only if the borrowed funds are used to generate taxable investment income (not for personal use).
Can I switch banks on a HELOC? Yes, via a collateral charge discharge and new registration — typically $500-1,500 in legal fees.
Do private second mortgages show on credit bureau? Yes — registered on title and usually reported to Equifax/TransUnion.
What happens if I default on a HELOC? The bank can demand full repayment, initiate power of sale or foreclosure, and damage your credit severely.
Calculate total home equity in the home equity calculator.