30-Year Mortgage in Canada — Who Qualifies, Costs & Complete Guide
Updated
The 2024 federal policy change made 30-year amortizations available to first-time buyers and new-build purchasers with insured mortgages for the first time. This guide explains who qualifies, the real cost difference, and when extending to 30 years makes strategic sense.
The 2024 policy change explained
What changed
Before (Pre-2024)
After (2024 Onwards)
Insured mortgages (less than 20% down) capped at 25-year amortization
First-time buyers: 30-year insured amortization on any home
Uninsured mortgages (20%+ down) already allowed up to 30 years
New-build purchasers: 30-year insured amortization (even if not first-time)
For this policy, a first-time buyer is someone who:
Has not owned a home in the last 4 years (anywhere in the world)
Has not occupied a home owned by their current spouse/partner in the last 4 years
Payment comparison — 25 vs 30 years
Monthly payment difference
Mortgage Amount
Rate
25-Year Payment
30-Year Payment
Monthly Savings
% Reduction
$300,000
5.00%
$1,745
$1,610
$135
7.7%
$300,000
5.50%
$1,828
$1,703
$125
6.8%
$400,000
5.00%
$2,326
$2,147
$179
7.7%
$400,000
5.50%
$2,437
$2,271
$166
6.8%
$500,000
5.00%
$2,908
$2,684
$224
7.7%
$500,000
5.50%
$3,046
$2,838
$208
6.8%
$600,000
5.00%
$3,489
$3,221
$268
7.7%
$600,000
5.50%
$3,655
$3,406
$249
6.8%
$750,000
5.50%
$4,569
$4,258
$311
6.8%
Total interest cost difference
Mortgage Amount
Rate
Total Interest (25 yr)
Total Interest (30 yr)
Extra Interest (30 yr)
$300,000
5.00%
$223,500
$279,600
+$56,100
$300,000
5.50%
$248,400
$313,080
+$64,680
$400,000
5.00%
$297,800
$372,920
+$75,120
$400,000
5.50%
$331,100
$417,560
+$86,460
$500,000
5.00%
$372,400
$466,240
+$93,840
$500,000
5.50%
$413,800
$521,680
+$107,880
$600,000
5.50%
$496,600
$625,960
+$129,360
$750,000
5.50%
$620,700
$782,880
+$162,180
Key insight: The 30-year amortization saves $150–$310 per month but costs $56,000–$162,000 more over the life of the mortgage. The monthly savings feel modest; the total cost is substantial.
Equity build-up comparison
How much of your home do you own after 5, 10, and 15 years?
Year
Equity (25-yr amortization)
Equity (30-yr amortization)
Difference
Year 5
$78,000
$58,000
25-yr has $20,000 more equity
Year 10
$178,000
$139,000
25-yr has $39,000 more equity
Year 15
$305,000
$249,000
25-yr has $56,000 more equity
Year 20
$422,000
$363,000
25-yr has $59,000 more equity
Year 25
$500,000 (paid off)
$432,000
25-yr has $68,000 more equity
Based on $500,000 mortgage at 5.5% — principal repayment only, excluding appreciation
You build equity significantly slower with a 30-year amortization. After 10 years, you have $39,000 less equity — roughly 22% less — than with a 25-year schedule.
How 30-year affects mortgage qualification
Purchasing power comparison
Household Income
Max Mortgage (25-yr)
Max Mortgage (30-yr)
Extra Purchasing Power
$80,000
$370,000
$400,000
+$30,000 (8%)
$100,000
$465,000
$500,000
+$35,000 (8%)
$120,000
$555,000
$600,000
+$45,000 (8%)
$150,000
$695,000
$750,000
+$55,000 (8%)
Approximate — assumes 5.25% stress test, GDS 39%, no other debts
The extra purchasing power is meaningful but not transformative — roughly 7–8% more mortgage capacity.
Stress test with 30-year amortization
The stress test still applies. The qualifying rate remains the higher of your contract rate + 2% or 5.25%. The 30-year amortization affects the payment calculation within the stress test, which is why it provides a modest qualification boost.
Factor
25-Year
30-Year
Contract rate
5.00%
5.00%
Qualifying rate
7.00% (5.00 + 2.00)
7.00% (5.00 + 2.00)
Qualifying payment ($500K)
$3,480/mo
$3,286/mo
Required income (GDS 39%)
$107,000/yr
$101,000/yr
CMHC insurance premiums — no change
The CMHC insurance premium rates are the same for 25-year and 30-year amortizations:
Down Payment
CMHC Premium (% of mortgage)
5% (up to $500K)
4.00%
5% ($500K–$999,999)
4.00% on first $500K, 4.00% on remainder
10%
3.10%
15%
2.80%
Insurance cost example
Scenario
25-Year
30-Year
Purchase price
$600,000
$600,000
Down payment (5%)
$30,000
$30,000
Mortgage
$570,000
$570,000
CMHC premium (4.00%)
$22,800
$22,800
Total mortgage
$592,800
$592,800
Monthly payment
$3,611
$3,365
Monthly savings
—
$246
When 30 years makes sense
Good reasons to choose 30-year
Reason
Details
Cash flow flexibility
Lower payments free up $150–$300/mo for other priorities (emergency fund, RRSP, RESP, debt repayment)
Starter home strategy
If you plan to sell in 5–7 years, the equity difference is small and the cash flow helps now
High-cost market entry
In Toronto or Vancouver, the extra qualification room can mean the difference between buying and renting
Investing the difference
If you invest the $200/mo savings at 7% over 30 years, you accumulate ~$235,000 — potentially offsetting the extra interest
New-build with completion delays
Lower payments help during the early years when you may have higher setup costs
Dual-income risk management
If one income drops temporarily, lower payments provide a safety buffer
When 25 years is better
Reason
Details
You can comfortably afford the 25-year payment
No reason to pay $60,000–$160,000 more in interest if cash flow is not a concern
You plan to stay long-term
The equity difference grows significantly over 15+ years
Interest rates are high
The extra interest cost is larger at higher rates
You are close to retirement
A 30-year mortgage at age 40 means payments until age 70
You want to be mortgage-free sooner
Psychological and financial freedom of paying off 5 years earlier
The hybrid strategy — 30-year amortization with accelerated payments
You can take the 30-year amortization for the lower required payment but make extra payments to effectively pay it off in 25 years or less:
Strategy
Monthly Payment
Pay-Off Time
Total Interest
30-year minimum payment
$2,838
30 years
$521,680
30-year + $200/mo extra
$3,038
~25 years
$430,000
30-year + match 25-year payment
$3,046
~24.5 years
$413,800
25-year standard payment
$3,046
25 years
$413,800
The hybrid approach gives you safety net flexibility — you make the higher payment when you can, but if money gets tight (job loss, mat leave, unexpected expenses), you can drop back to the lower minimum.
Prepayment privilege required
To use the hybrid strategy, confirm your lender’s prepayment privileges:
Feature
What to Look For
Annual lump sum
15–20% of original mortgage balance per year
Payment increase
Ability to increase regular payment by 15–20% per year
Double-up payments
Make an extra payment equal to your regular payment on any pay date
No prepayment penalty
Extra payments should be penalty-free within the privilege limits