Why Your Mortgage Could Fall Through in Ontario (and How to Avoid It)

Buying a home is exciting, but it can also be stressful when things don’t go as planned. As a mortgage broker in Ontario, I’ve helped many clients navigate situations where a mortgage deal almost fell apart. The good news is that most issues can be avoided with proper preparation and guidance.

I work with first-time buyers and current homeowners, including many people new to Canada. Here are the main reasons mortgage deals in Ontario fail and some practical tips on how to avoid them.

1. Changes in your job or income

One of the most common reasons a mortgage deal falls through is a change in income or employment after you’ve made an offer. In Ontario, this can happen with contract work, freelance jobs, or seasonal positions, especially in Ottawa’s public sector and technology industries.

Lenders approve mortgages based on your stable income at the time of application. If you switch jobs, reduce hours, move from salary to commission, or start a business before closing, the mortgage could be affected. Even positive career changes can cause problems if they change how lenders assess your income.

It’s always wise to discuss any job changes with your mortgage broker early. Planning ahead can prevent surprises later.

2. Credit surprises

Even if you think your credit is good, lenders will examine it closely. Issues like missed payments, high credit card balances, collections, or recent new debts can cause a mortgage to be declined.

For clients new to Canada, building a credit history can be tricky. Sometimes lenders see limited credit history as a risk, which can affect approval or mortgage terms.

I always recommend checking your credit early. Fixing small issues ahead of time can make a big difference in avoiding last-minute problems.

3. Property-related hurdles

Not every home works for every mortgage. In Ontario, mortgage deals sometimes fail because of property concerns, such as older homes, condos with weak reserve funds, or homes that don’t appraise at the agreed purchase price.

If an appraisal is lower than expected, the lender may reduce the mortgage amount. Buyers then need to bring more cash to closing or renegotiate the price. In some cases, the lender may refuse the property altogether.

Getting pre-approved and understanding how property type affects financing can save a lot of stress.

4. New debt after pre-approval

Pre-approval is based on your financial situation at a specific moment. Taking on new debt after pre-approval, like financing a car or furniture, opening a line of credit, or co-signing a loan, can reduce how much you qualify for or even cause the mortgage to be denied.

I advise clients to hold off on major financial decisions until after closing.

5. Missing deadlines and conditions

Real estate transactions in Ontario move fast. Mortgages can fall through when documentation is late, conditions aren’t met on time, or buyers are unsure what the lender requires.

Working with a mortgage broker early ensures timelines are managed, deadlines are met, and nothing is missed.

Protecting your mortgage approval

Most mortgage issues are preventable. I help clients review income, credit, debts, and property details well before an offer is accepted. This planning gives buyers confidence and reduces stress.

Whether you’re buying your first home, renewing, or planning for the future, having a clear strategy is key.

If you’re planning to buy a home in Ontario and want to avoid common mortgage pitfalls, I can help you prepare. Even if you’re not ready to buy today, the right plan now can make the process smoother when the time comes.

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Joshua Tagg - Ottawa Mortgage Broker

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