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Case File № 668 · Self-Employed Income

The down payment that couldn’t buy insurance

a Stratford self-employed file over the $1.5M line

A self-employed Stratford buyer with a large planned down payment and strong bank-statement-program income assumed that down payment could still buy CMHC insurance on a property above $1,500,000. It can't — the insured-price cap is an absolute cutoff regardless of loan-to-value, and the file had to be structured as conventional from the start.

OntarioConventional · Self-employedFiled August 9, 20265 min read
$1,500,000

the absolute insured-price cap — a price ceiling, not a loan-to-value rule

35%

the down payment actually planned — far above what any LTV rule would require, and still irrelevant to the cap

28.8%

total debt service, calculated conventional from the outset

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 self-employed buyer in Stratford purchased a $1,650,000 property at 35% down, qualifying on $32,000/month of bank-statement-program income.

Purchase price

$1,650,000, Stratford

Above the $1,500,000 insured-price cap

Planned down payment

35%

Well above the 20% conventional minimum at this price

Qualifying income

$32,000/month

Per the bank-statement program

Other debt

$450/mo vehicle loan

№ 02

The problem

The applicant assumed a large enough down payment could still make this file insurable, since the resulting loan-to-value would sit well inside any LTV a lender might otherwise accept for insurance. The $1,500,000 insured-price cap doesn't work on loan-to-value at all — it is an absolute cutoff on the property's price itself, and no down payment, however large, restores CMHC eligibility above it.

What the down payment can and can't fix

  • A larger down payment lowers loan-to-value — it does not, and cannot, change the property's price
  • The $1,500,000 cap is measured against price alone, not against the resulting loan amount or LTV
  • A $1,650,000 purchase is ineligible for CMHC insurance at 5% down, 35% down, or any percentage at all

The applicant had budgeted a large down payment specifically to keep the file conservative and insurable. It made the file conservative. It never made it insurable.

№ 03

The numbers

Structured conventional from the outset, the price cap changed nothing about whether the file would qualify — only which ratio ceiling, if any, applied to it.

Qualifying the purchase, conventionalAmount
Purchase price$1,650,000
Down payment (35%)$577,500
Mortgage balance$1,072,500
Total debt serviceFigure
Payment at the qualifying rate (7.15%), 25 years$7,612/mo
Property tax$950/mo
Heat (lender estimate)$220/mo
Vehicle loan$450/mo
Total debt service28.8%

28.8% total debt service is informational only — this is a conventional, uninsured file from the outset, so no CMHC ratio ceiling ever applied to it. The price cap, not any ratio, was the actual constraint on this file's structure.

№ 04

The solution

A mortgage agent licensed under Ontario's Mortgage Brokerages, Lenders and Administrators Act confirmed the cap's absolute nature before submitting the file anywhere.

First, confirmed the $1,500,000 cap's absolute nature directly with the insurer, rather than assuming any down payment size could offset a price above it.

Second, shopped the file exclusively to conventional lenders comfortable with the bank-statement income program, rather than losing time on lenders who would eventually decline it on price alone.

Third, explained the price-cap mechanic plainly to the client, distinguishing it from the insured-vs-uninsured rules that actually do change at 20% down, so future purchases at a different price point weren't assumed to work the same way.

Written confirmation of the $1,500,000 cap's absolute application to this purchase price
Bank statements supporting the $32,000/month qualifying income
Conventional lender submission package, structured from the outset
Client explanation distinguishing the price cap from ordinary LTV-based insurance rules
№ 05

The outcome

The purchase funded conventional at 5.15%, with total debt service at 28.8%.

Financing was structured as uninsured from the first submission, rather than discovered to be ineligible for insurance partway through a lender's review.

№ 06

What to take from this file

  • 01The $1,500,000 insured-price cap is a price ceiling, not a loan-to-value rule. No down payment, however large, restores CMHC eligibility above it.
  • 02A conservative down payment doesn't make an ineligible price eligible. Confirm the price cap's absolute nature before assuming a larger down payment solves anything related to insurance.
  • 03Structure a file above the cap as conventional from the very first submission. Shopping it to insured-focused lenders first only costs time.
  • 04Distinguish this cap clearly from the rules that do change with LTV. A self-employed client used to hearing '20% down changes the rules' needs to understand this is a different, absolute threshold entirely.

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:

  • 5.15% conventional contract rate — rates move daily; not a quote.
  • bank-statement-program income calculation — each conventional lender publishes its own bank-statement or add-back methodology for self-employed income; there is no single published formula.

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.