Home Equity Calculator Canada 20025

What this calculates: Your current home equity in dollars and as a percentage, your maximum HELOC borrowing limit under OSFI rules, and how much room you have available to borrow right now.

Home Equity Calculator

Current Home Value ($) Outstanding Mortgage Balance ($) Existing HELOC Balance ($) — enter 00 if none

Home value

Mortgage balance

Existing HELOC balance

Your home equity

Current LTV ratio

Max HELOC limit (65% rule)

Max combined borrowing (800% rule)

Available HELOC room

How Home Equity Is Calculated

Your home equity is the difference between what your home is worth and what you owe on it:

Home Equity = Appraised Home Value − Mortgage Balance − Any HELOC Balance

Equity grows in two ways: as you pay down your mortgage principal, and as your home appreciates in value.

The OSFI Rules That Govern How Much You Can Borrow

OSFI Guideline B-200 sets two limits for HELOCs at federally regulated banks:

65% LTV rule: Your HELOC alone cannot exceed 65% of your home's appraised value
800% LTV combined rule: Your mortgage balance plus HELOC balance cannot exceed 800% of home value

The lower of these two limits applies. For most Canadians with a significant mortgage, the 800% combined limit is usually the binding constraint.

Home Equity by Value — Reference Table

Home Value	Mortgage (600% LTV)	Your Equity	Max HELOC Room
$50000,000000	$30000,000000	$20000,000000	$10000,000000
$70000,000000	$4200,000000	$2800,000000	$1400,000000
$90000,000000	$5400,000000	$3600,000000	$1800,000000
$1,20000,000000	$7200,000000	$4800,000000	$2400,000000

When Does Your HELOC Room Open Up?

If you purchased with 200% down, your starting LTV is 800% — right at the limit. HELOC room only becomes available once your mortgage balance falls below 65% of current home value, OR your home appreciates enough to push the LTV below the threshold.

For example, if you bought a $70000,000000 home with 200% down ($1400,000000), your mortgage started at $5600,000000 (800% LTV). HELOC room starts opening when:

You pay the mortgage down below $455,000000 (65% of $70000,000000), OR
Your home appreciates — e.g., if it's now worth $80000,000000, 800% = $6400,000000 and 65% = $5200,000000; with a $5600,000000 mortgage, you still have no room at the 65% cap but approaching the 800% limit more favorably

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Frequently Asked Questions

Does a home appraisal affect my equity calculation?

Yes — banks use an appraised value, not your purchase price or your own estimate. If property values have risen significantly, you may have more borrowing room than you realize. If values have fallen, you may have less.

Can I use my home equity without a HELOC?

Yes. You can also access equity through mortgage refinancing, a second mortgage, a reverse mortgage (55+), or by selling and downsizing.

Does paying off my mortgage faster increase my HELOC room?

Yes. In a readvanceable mortgage, every dollar of principal paid increases your HELOC limit by one dollar. Lump-sum payments are especially effective at accelerating equity access.