Treadstone Associates
Case File № 823 · Renewals & Switches

The notice that looked like paperwork

a Pembroke home sat uninsured for months before a switch caught it

A Pembroke homeowner's insurer issued a non-renewal notice months before mortgage maturity, for roof age. Mistaken for routine renewal paperwork, it went unactioned -- and the resulting lapse surfaced only when the new lender's solicitor asked for proof of insurance at the switch.

OntarioUninsured · Straight switchFiled August 9, 20265 min read
4 mo

the home sat uninsured before the switch's proof-of-insurance request caught it

4.65%

the straight-switch rate, once continuous coverage was actually in place

31.1%

total debt service on the switch, informational on an uninsured file

Anonymized illustration. The borrowers, dollar figures, and rates in this file are an illustrative composite — no real client is identifiable, and any rate shown is illustrative, not a quote. The rules are real: every regulatory figure is cited to its source in the Sources section, and the math computes exactly as shown.

№ 01

The client

A homeowner in Pembroke switched a $258,000 mortgage at maturity, with 21 years remaining amortization, to a new lender at 4.65%.

Balance at maturity

$258,000

21 years remaining amortization

Non-renewal notice

Issued for roof age

Months before maturity, mistaken for routine paperwork

Combined income

$7,200/month

Other debt

$230/mo car loan

№ 02

The problem

An insurer that declines to renew a policy -- here, for roof age approaching the end of its expected service life -- mails a non-renewal notice well ahead of the term's actual end. That notice looks, at a glance, exactly like a routine annual renewal package.

What the homeowner missed

  • The non-renewal notice arrived months before the policy's own term end, alongside the mortgage's own separate maturity date
  • The homeowner assumed it was standard renewal paperwork and set it aside
  • The home sat with no active insurance policy at all for roughly 4 months before anyone caught it

Nothing was wrong with the switch itself. The home simply had not been insured for months, and nobody had noticed until the new lender's solicitor asked.

№ 03

The numbers

Once continuous coverage was back in place, the switch itself was straightforward.

The straight switch, once insuredAmount
Mortgage balance at maturity$258,000
Total debt serviceFigure
Payment at 4.65%, 21 years remaining$1,599/mo
Property tax$295/mo
Heat (lender estimate)$115/mo
Car loan$230/mo
Total debt service31.1%

31.1% is informational on this uninsured straight switch -- there is no CMHC ceiling to clear. Renewal timing generally is a starved topic for brokers to get right; Canadian mortgage renewal statistics show how much volume moves through this exact window every year. The ratio was never the risk on this file -- the four uninsured months were.

№ 04

The solution

A mortgage agent licensed under Ontario's Mortgage Brokerages, Lenders and Administrators Act treated the proof-of-insurance request as a real closing condition, not a formality to confirm after the fact.

First, when the request for a current binder came back with nothing, traced the timeline back to the non-renewal notice the homeowner had kept but never actioned, confirming the roof-age reason and the exact date coverage had actually lapsed.

Second, arranged emergency coverage through an insurer willing to bind immediately, appropriate to the roof's actual age, at a modestly higher premium than the lapsed policy -- with no attempt to backdate anything.

Third, supplied the new binder to the new lender's solicitor before scheduling the switch's own closing as a switch, not a refinance, since the balance and amortization were unchanged.

Timeline confirming exactly when the prior policy actually lapsed
The non-renewal notice itself, to confirm the reason (roof age)
A new binder from an insurer willing to bind on short notice
Standard straight-switch documentation, no fresh stress test required
Written confirmation of continuous coverage before the solicitor releases funds
№ 05

The outcome

The switch closed at 4.65% once continuous, current proof of insurance was in the lender's hands, with total debt service at 31.1%.

Because this file is an uninsured straight switch, CMHC's ratio maximums do not apply directly; the 31.1% figure is informational, showing the switch itself was never the risk on this file.

№ 06

What to take from this file

  • 01A non-renewal notice does not look like an emergency, but it is one. Coach clients to open every piece of insurer mail near a policy's term end, not just near the mortgage's own maturity date.
  • 02A mortgage's maturity date and a home policy's own term end are two separate clocks. One can lapse quietly while the other approaches on schedule.
  • 03Ask for proof of insurance early in a switch, not at the closing table. A gap found with weeks of runway is a fixable problem; the same gap found the week of closing is a crisis.
  • 04An emergency binder is usually available, at a price. An insurer willing to bind on short notice for a specific, known issue (like roof age) is the practical fix once a lapse is found.

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.

Illustrative in this file — lender-specific, not rules:

  • 4.65% switch rate — rates move daily; not a quote.
  • the roof-age non-renewal and the emergency binder's premium — each insurer sets its own roof-age underwriting threshold and its own price for binding on short notice; neither is a published rule.
  • the TDS figure — this file is an uninsured straight switch, so there is no CMHC ratio ceiling -- the number is informational.

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.

First published 9 August 2026Rules last verified 9 August 2026Next scheduled review 9 February 2027

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.

Treadstone fulfillment

Files like this are daily work for our desk.

Document collection, ratio math under multiple treatments, lender placement notes, and submission-ready packaging — for Canadian mortgage brokers who would rather be in front of clients.