The client
A household's $235,000 mortgage in Steinbach, Manitoba, had already been through one unplanned adjustment before this renewal ever arrived: two years earlier, rate hikes pushed its static-payment variable-rate mortgage past its trigger point, where the fixed payment stopped covering even the interest and the lender raised it to bring the loan back onto its amortization schedule.
Mortgage balance at renewal
$235,000
After the earlier trigger-point correction
Remaining amortization
21 years
What already happened
Hit its trigger point two years ago
Lender raised the payment to correct it
Combined income
$7,300/month
Other debt
Car loan $300/mo
The problem
The household's instinct, understandably, was to compare today's renewal options against the payment they remembered from BEFORE the trigger-point event — the number that felt normal. That comparison uses the wrong baseline. The payment was already raised once, two years ago, specifically because the original payment had stopped working; measuring today's choices against a superseded number hides what staying variable actually costs right now.
What a trigger point already did to this file
- ▸The original static payment stopped covering interest once rates rose far enough -- the balance grew instead of shrinking for a period, a genuine negative-amortization event
- ▸The lender's own policy required a payment increase once that happened, correcting the loan back onto its amortization schedule
- ▸That correction already happened; the renewal decision today has to be built on the CURRENT, corrected payment, not a stale pre-trigger figure
With the right baseline established, the renewal choice came down to a straightforward comparison: keep paying today's variable rate, or switch to a fixed rate on offer at renewal.
The numbers
Rebuilding the comparison from the current, post-correction balance and payment made the renewal choice a clean one.
| Staying variable versus switching fixed, from today's real baseline | Amount |
|---|---|
| Mortgage balance at renewal | $235,000 |
| Payment staying variable (6.20%) | $1,659/mo |
| Payment switching fixed (4.75%) | $1,469/mo |
| Monthly gap | $190 |
| Ratio check on each option | Staying variable | Switching fixed |
|---|---|---|
| Mortgage payment | $1,659 | $1,469 |
| Property tax and heat | $405 | $405 |
| GDS | 28.3% | 25.7% |
| TDS | 32.4% | 29.8% |
Both options sit comfortably inside CMHC's 39% GDS and 44% TDS maximums — this file was never going to be hard to qualify either way. The choice was about the $190/month gap, not the ratios.
The solution
A Manitoba mortgage broker rebuilt the household's renewal comparison from the correct starting point before recommending anything.
First, established the current, post-correction balance and payment as the real baseline. Pulled the mortgage statement showing the $235,000 balance and the payment as it stood AFTER the trigger-point correction two years earlier, setting aside the pre-trigger figure the household remembered as no longer relevant to today's decision.
Second, priced both renewal options against that same baseline. Quoted staying variable at today's rate and switching fixed at the rate on offer, both against the identical $235,000 balance and 21 years remaining, so the $190/month gap was a genuine apples-to-apples comparison.
Third, walked through what the trigger point had already cost before making the recommendation. Explained plainly what the earlier negative-amortization period had done to the loan, so the household understood the fixed-rate savings being compared today were on top of, not instead of, the correction that had already happened.
The outcome
The household switched to the fixed rate, saving $190 a month against staying variable. GDS came to 25.7% and TDS to 29.8%, both comfortably inside CMHC's maximums.
This renewal continues an existing insured mortgage with no increase to the balance; 25.7%/29.8% are shown as a sanity reference against CMHC's maximums, not a fresh insured underwriting event.
What to take from this file
- 01A trigger-point event changes the correct BASELINE for every renewal comparison that follows it. Measuring against a pre-trigger payment hides what an option actually costs today.
- 02A static-payment variable mortgage that hit its trigger point once already had its payment corrected. That correction is history, not something still being negotiated at this renewal.
- 03Price every renewal option against the SAME current balance and remaining amortization. An apples-to-oranges comparison produces a number nobody can act on.
- 04Explain what already happened before recommending what happens next. A household that understands the trigger-point history makes a better-informed renewal choice.
- 05A renewal decision can be entirely about the payment gap, not the ratios. Both options here easily qualified -- the real question was which one cost less.
Sources
Every regulatory figure in this file traces to one of these primary sources. Client details and anything that varies by lender are illustrative, as flagged below.
- ▸OSFI — Minimum qualifying rate for uninsured mortgages — the minimum qualifying rate — greater of contract rate + 2% or 5.25%.
- ▸CMHC — CMHC Reviews Underwriting Criteria — GDS 39% / TDS 44% maximums and the 600 credit-score floor for insured files.
- ▸Provincial/territorial mortgage-broker legislation fetched directly (bclaws.gov.bc.ca, legisquebec.gouv.qc.ca, fcaa.gov.sk.ca, web2.gov.mb.ca, nslegislature.ca, assembly.nl.ca) plus FCNB's own site for NB and CanLII's index for PE — see notes for per-province method — provincial mortgage regulators and licence titles.
Illustrative in this file — lender-specific, not rules:
- ▸6.20% / 4.75% rates — rates move daily; neither is a quote.
- ▸the trigger point's exact timing and the size of the earlier payment increase — each lender sets its own trigger-point threshold and payment-increase practice; the two-year-earlier event is this file's own history, not a general rule.
Authority & provenance
How this case file was built
We publish the origin, the verification method and the reviewer for every case file, so you can judge how far to trust it before you rely on it with a client.
Where it comes from
Derived from files handled by Treadstone’s fulfillment desk and from scenarios contributed by partner brokerages. Names, employers, exact amounts and dates are changed so no client or file is identifiable.
Provenance: Composite — a pattern seen repeatedly on fulfilled files, not a single transaction.
What is verified
Every regulatory figure traces to a primary source listed above and was checked against it on the date shown. The arithmetic is recomputed by machine on every rebuild.
Anything that varies by lender is labelled illustrative rather than stated as a rule.
Who reviewed it
Reviewed for Canadian regulatory accuracy before publication, and re-checked whenever a cited rule changes.
Reviewed by: Nicholas Parson, Treadstone Associates — reviews every case file before publication.
This case file is professional reference material for licensed mortgage professionals. It is not advice to a borrower, and it is not a lender commitment. Insurer rules, qualifying rates and provincial taxes change — confirm the current position with the insurer, regulator or lender before you rely on any figure here in a live file.