Man at a desk considering the disadvantages of a home equity line of credit.

What Are the Disadvantages of a Home Equity Line of Credit? 7 Risks

Last updated 
Nov 2025
 • 
4 mins
Written by 
Ayaz Virani

Summary

  • Budget for variable rates: A HELOC’s interest rate isn’t fixed, so your payments can increase if market rates go up. Plan your budget around a higher potential payment to ensure you’re never caught off guard and can protect your home.
  • Uncover all potential fees: The total cost of a HELOC goes beyond the interest rate. Be sure to ask about setup costs, annual fees, and potential penalties for early cancellation so you can avoid any financial surprises.
  • Borrow with a purpose: Easy access to funds can lead to unintentional debt. Treat your HELOC like a loan, not a bank account, by borrowing only for a specific goal and creating a clear plan to pay back both principal and interest.

Your home is likely your biggest and most important asset. Using it to secure a line of credit is a major financial decision that shouldn't be taken lightly. While a HELOC can provide the funds you need for important goals, it also puts your home on the line as collateral. If you fail to make your payments, the lender can enforce its security through a power of sale (similar to foreclosure). That’s the most serious consequence, but it’s not the only one. It’s crucial to ask: what are the disadvantages of a home equity line of credit beyond this primary risk? We’ll cover how falling property values can lead to negative equity, and how a lender can freeze or reduce your credit line to stay within Canadian loan-to-value limits.

Key Takeaways

  • Budget for variable rates: A HELOC’s interest rate isn’t fixed, so your payments can increase if market rates go up. Plan your budget around a higher potential payment to ensure you’re never caught off guard and can protect your home.
  • Uncover all potential fees: The total cost of a HELOC goes beyond the interest rate. Be sure to ask about setup costs, annual fees, and potential penalties for early cancellation so you can avoid any financial surprises.
  • Borrow with a purpose: Easy access to funds can lead to unintentional debt. Treat your HELOC like a loan, not a bank account, by borrowing only for a specific goal and creating a clear plan to pay back both principal and interest.

What is a Home Equity Line of Credit (HELOC)?

A Home Equity Line of Credit, or HELOC, is a flexible financing tool that lets you borrow against the equity you’ve built in your home. Think of it like a credit card, but with your home as security. The lender gives you a credit limit based on your available equity, and you can draw funds as you need them, pay the balance back, and borrow again. Because it’s a secured form of credit—meaning your property is the collateral—HELOCs often come with lower interest rates than unsecured options like personal loans or credit cards.

This revolving credit can be a useful way to pay for major expenses like a home renovation, consolidate higher-interest debts, or cover unexpected costs. However, it’s important to understand that you are borrowing against your home’s value. While HELOCs offer flexibility, they also come with unique features and potential risks that set them apart from a traditional loan. Before you decide if it’s the right fit, it’s essential to get a clear picture of how they work, from variable interest rates to the different borrowing and repayment phases.

How a HELOC works in Ontario

In Ontario, a HELOC is directly tied to your home's market value. The amount you can borrow depends on how much equity you have—the portion of your home you truly own. Lenders will typically let you borrow up to a certain percentage of your home's appraised value, minus what you still owe on your mortgage. While this can unlock a significant amount of cash, it also links your financial well-being to the housing market. If property values in your neighbourhood drop, you could find yourself in a tricky situation where you owe more than your home is worth, a scenario often called being "underwater."

Understanding the draw and repayment periods

In Canada, many HELOCs stay revolving and interest-only as long as you meet the lender’s conditions, but payments can still rise if rates go up or if the lender converts part of the balance to a fixed portion.

How Do Variable Rates Affect Your HELOC Payments?

One of the most significant features of a Home Equity Line of Credit is its variable interest rate. Unlike a fixed-rate loan where your interest rate is locked in for the entire term, a HELOC’s rate can change. This rate is typically tied to the lender’s prime lending rate, which moves in step with the Bank of Canada’s policy interest rate. When the prime rate goes up, so does your HELOC rate—and your monthly payment. When it goes down, you’ll pay less in interest.

This variability can be a double-edged sword. If rates fall, you benefit from lower borrowing costs without having to refinance. However, if rates rise, your payments will increase, potentially straining your budget if you haven't planned for it. This unpredictability is a key reason why it's so important to understand the terms of your HELOC agreement fully. Knowing how your rate is calculated and how often it can change will help you prepare for potential shifts in your monthly obligations. Two major risks to be aware of are the potential for rising monthly payments during the life of the loan and the significant payment increase that can occur when your repayment period begins. Let’s break down what these risks look like in practice.

The risk of rising monthly payments

Because most HELOCs have a variable interest rate, your monthly payments aren't set in stone. They are directly linked to the lender's prime lending rate, which can fluctuate over time. If the prime rate increases, the interest portion of your payment will also increase. While a small rate hike might not seem like much, several increases over a few years can add a significant amount to your monthly expenses. For example, on a $100,000 balance, a 1% rate increase means you’ll pay an extra $1,000 in interest per year. This unpredictability makes budgeting a bit more challenging. It’s important to stress-test your finances by considering how you would handle payments if rates were to climb one, two, or even three percent higher.

Avoiding "payment shock" when your repayment period starts

A HELOC is typically structured in two phases: a draw period and a repayment period. During the draw period, which often lasts for the first 10 years, you can borrow and repay funds as you wish, and many lenders only require you to make interest-only payments. This keeps your minimum payment relatively low. However, once the draw period ends, you enter the repayment period. At this point, you can no longer borrow funds, and your payments must cover both the principal balance and the interest. This transition can cause "payment shock," where your required monthly payment suddenly jumps, sometimes doubling or more. If you’ve grown accustomed to making smaller, interest-only payments, this sharp increase can be a major jolt to your budget if you haven't prepared for it.

Is Your Home at Risk with a HELOC?

When you take out a Home Equity Line of Credit, you’re using your home as collateral. This is what makes it a “secured” line of credit, and it’s the main reason why HELOCs often have lower interest rates than unsecured credit, like credit cards or personal loans. But it also introduces a significant risk: if you can’t keep up with your payments, your home could be on the line.

This isn’t meant to be alarming, but it’s a crucial reality to understand before signing any paperwork. Unlike an unsecured loan, where non-payment affects your credit score and leads to collection calls, defaulting on a secured loan gives the lender a direct claim on your property. It’s essential to treat HELOC payments with the same priority as your primary mortgage payments.

Beyond the risk of non-payment, there are other ways a HELOC can be affected by circumstances outside your control. Your lender also has measures in place to protect their investment, which can sometimes impact your access to the funds you were counting on. Understanding these two key risks—foreclosure and a frozen credit line—is the first step to using a HELOC responsibly.

Understanding the risk of foreclosure

Let’s be direct about the most serious risk. Since a HELOC is secured by your home, failing to make payments could put your property at risk of foreclosure. This means the lender can initiate legal proceedings to sell your home to recover the money you owe. While this is a worst-case scenario, it’s the fundamental trade-off for accessing your home’s equity. The biggest risk is that you could lose your home if you don't make your loan payments. That’s why it’s so important to have a clear and realistic budget in place before you even apply, ensuring you can comfortably manage the payments, even if interest rates rise.

Can a lender freeze or reduce your credit line?

Many homeowners don’t realize that a lender can legally freeze or reduce their HELOC. This can happen for a couple of key reasons. First, if the value of your home falls significantly, your lender might reduce your credit limit to ensure the loan doesn’t exceed a certain percentage of the home’s new, lower value. Second, if your financial situation changes for the worse—for example, if you lose your job or your credit score drops—the lender may see you as a higher risk and decide to freeze your account. This can be a major problem if you were relying on those funds for an ongoing project, like a home renovation.

What Are the Hidden Costs of a HELOC?

When you’re looking at a HELOC, it’s easy to focus on the interest rate. But the rate is only one part of the story. Several other costs can be tucked away in the fine print, and they can add up over time, impacting the total cost of your loan. Understanding these potential fees from the start helps you see the true cost of borrowing and avoid any surprises down the road. It’s about looking beyond the headline number to get a complete picture of what you’ll be paying.

Think of it like booking a flight. The ticket price looks great, but then you have to account for baggage fees, seat selection, and other extras that increase the final price. A HELOC can be similar. There are often setup costs to get it started, ongoing fees to maintain it, and even penalties if your plans change. Not every lender charges every fee, and some may even waive certain costs as part of a promotion. However, it’s crucial to ask for a detailed breakdown so you can compare your options accurately. Being aware of these costs helps you make a fully informed decision about whether a HELOC fits your financial picture and prevents you from getting caught off guard by an unexpected charge on your statement.

Breaking down setup and closing costs

Getting a HELOC up and running involves a few administrative steps, and many of them come with a price tag. These are often called setup or closing costs. You might encounter an application fee, a home appraisal fee to confirm your property’s current market value, and legal fees to have a lawyer register the HELOC on your home’s title. Some lenders may also charge a title search or title insurance fee. While some lenders offer promotions that waive these initial costs, it’s important to read the agreement to see if you’d have to pay them back if you close the HELOC within a certain timeframe. The Government of Canada provides a helpful breakdown of typical closing costs.

Watching out for annual fees

Just like some credit cards, certain HELOCs come with an annual fee simply for keeping the account open. This fee is charged whether you use the credit line or not. It’s a fixed cost you’ll need to budget for each year. On top of that, some lenders charge an inactivity fee if you don’t use your HELOC for a specific period. These ongoing fees can be an unexpected expense if you weren’t aware of them from the beginning. Before you sign any paperwork, be sure to ask your lender for a complete list of fees, including any annual or recurring charges you might face.

The penalty for closing your HELOC early

Life happens, and your financial needs can change. You might decide to sell your home, refinance your mortgage, or simply close your HELOC because you no longer need it. However, some lenders charge a penalty for closing your HELOC early, especially within the first few years. This early closure or cancellation fee can be a flat amount or a percentage of your credit limit. It’s the lender’s way of recouping some of the initial setup costs. This is a critical detail to confirm upfront, as an unexpected penalty can make selling or refinancing more expensive than you planned.

Can a HELOC Lead to More Debt?

A HELOC gives you a flexible way to access cash, but that flexibility can be a double-edged sword. Because it functions like a credit card secured by your home, it’s easy to borrow money without a specific repayment plan in place. Without careful management, what starts as a helpful financial tool can lead to a growing debt balance that becomes difficult to handle. It’s important to understand how the structure of a HELOC can encourage borrowing and what that means for your long-term financial health.

The temptation of easy-to-access cash

Having a large, open line of credit can feel like having extra cash in the bank. This can make it tempting to use the funds for impulse buys or lifestyle expenses rather than the intended purpose, like a renovation or debt consolidation. Unlike a traditional loan that gives you a lump sum for a specific goal, a HELOC allows you to borrow, repay, and borrow again. This convenience requires discipline. Without a clear budget and spending plan, it’s easy for small withdrawals to add up to a significant debt balance over time.

The trap of interest-only payments

During the initial "draw period" of a HELOC, many lenders only require you to make interest-only payments. This keeps your monthly costs very low, which can create a false sense of affordability. It’s easy to borrow a lot without realizing how high your payments will be when the repayment period begins. Once the draw period ends (often after 10 years), you must start paying back both the principal and the interest. This can cause your monthly payment to jump significantly, creating a financial shock if you haven't planned for it.

How a large HELOC can affect your credit score

A HELOC is a form of revolving credit, and how you manage it is reported to Canada's credit bureaus, Equifax and TransUnion. Using a large percentage of your available credit line increases your credit utilization ratio, which can lower your credit score. While you might not plan to apply for other loans soon, a lower score can make it harder or more expensive to get financing in the future. Lenders see high utilization as a sign of financial risk, so it’s wise to keep your HELOC balance as low as possible.

How Does a HELOC Affect Your Home Equity?

A HELOC is a powerful tool because it lets you tap into your home's value. But it's important to remember that every dollar you borrow directly reduces your home equity. This isn't just a number on a page; it affects your financial flexibility, your options for the future, and your overall stake in your biggest asset. When you use your HELOC, you're making a trade-off: you get access to cash when you need it, but you also increase the total debt secured against your property. This can feel a bit abstract, so it helps to think of your equity as your financial cushion. It’s what protects you if property values dip or if you need to sell unexpectedly. By borrowing against it, you shrink that cushion. While a HELOC can be a fantastic resource for funding a renovation or consolidating debt, it’s crucial to see it for what it is: a second loan on your home. Understanding how this loan interacts with your equity is key to using it wisely and avoiding potential pitfalls down the road. Let's look at a few ways a HELOC can change your financial picture.

Reducing your ownership stake

This is the most direct impact. Your home equity is the portion of your home you own free and clear. When you draw from your HELOC, you’re essentially converting that ownership stake back into debt. Think of it this way: if your home is worth $800,000 and you owe $400,000 on your mortgage, you have $400,000 in equity. If you then borrow $50,000 with a HELOC, your total debt on the property becomes $450,000, and your equity drops to $350,000. While you get access to cash, you temporarily reduce the part of the home that is truly yours.

The risk of an "underwater" mortgage

This is where market changes come into play. If you borrow against your equity and then home values in your neighbourhood drop, you could end up with an "underwater" mortgage. This means you owe more on your home (your mortgage plus your HELOC balance) than its current market value. For example, if your home's value falls to $750,000 but you still owe a total of $780,000 between your mortgage and HELOC, you have negative equity. This situation can be stressful and significantly limit your financial options until the Canadian housing market recovers or you pay down your debt.

How it impacts your ability to sell or refinance

Having less equity makes it harder to make your next move. When you sell your home, the proceeds must first cover your primary mortgage and your outstanding HELOC balance. If you’re underwater, the sale price won’t be enough to pay off both debts, and you’ll have to bring cash to the table to close the sale. Similarly, most lenders require you to have a certain amount of equity to refinance your mortgage. A large HELOC balance can eat into that equity, potentially making it difficult to qualify for a new mortgage with better terms or a lower interest rate.

Are You Falling for These HELOC Myths?

A Home Equity Line of Credit (HELOC) can be a flexible and powerful financial tool, but it’s also surrounded by a lot of confusion. When you’re making decisions about your home and your finances, it’s important to have the right information. Let’s clear up a few of the most common myths about HELOCs so you can see the full picture and decide if this is the right path for you. Understanding these key differences can help you choose a financing option that truly fits your goals and gives you peace of mind.

Myth #1: A HELOC is the same as a home equity loan

It’s easy to mix these two up, but they work very differently. Think of a HELOC as a credit card that’s secured by your home. It’s a revolving line of credit you can draw from as needed, pay back, and then draw from again during a set period. You only pay interest on the amount you actually use. A home equity loan, on the other hand, is more like a traditional loan. You receive a single lump-sum payment upfront and repay it in fixed installments over a set term. This makes a home equity loan a better fit for large, one-time expenses, while a HELOC is ideal for ongoing projects or unexpected costs.

Myth #2: You can borrow 100% of your equity

This is a common misconception that can lead to disappointment. In Canada, lenders won’t let you borrow against the full value of your home equity. Instead, your borrowing power is determined by your loan-to-value (LTV) ratio. Most lenders will allow you to borrow up to a combined LTV of 80% of your home’s appraised value. To figure out your potential credit limit, you’d take 80% of your home’s value and subtract what you still owe on your mortgage. For example, if your home is worth $700,000 and you have a $400,000 mortgage balance, you could potentially access up to $160,000 ($560,000 minus $400,000).

Myth #3: Interest rates will always stay low

While HELOCs often start with attractive introductory rates, it’s crucial to remember that most have variable interest rates. This means the rate is tied to the lender’s prime rate, which moves in step with the Bank of Canada’s policy interest rate. If the prime rate goes up, so will the interest rate on your HELOC, causing your monthly payments to increase. This unpredictability can make budgeting a challenge, especially if rates rise significantly. Unlike a fixed-rate home equity loan, you don’t have the certainty of knowing exactly what your payments will be for the life of the loan.

How Can You Use a HELOC Safely?

A Home Equity Line of Credit can be a fantastic financial tool when used thoughtfully. Like any form of credit, the key is to have a clear plan and a solid understanding of your responsibilities. By taking a few strategic steps, you can access your home's equity while protecting your financial well-being. It’s all about borrowing smart and having a strategy in place before you even sign the paperwork.

Consider a fixed-rate conversion

One of the biggest uncertainties with a HELOC is its variable interest rate. When market rates rise, so do your monthly payments. To avoid this unpredictability, some lenders offer the option to convert all or part of your HELOC balance to a fixed-rate loan. This locks in your interest rate for a set term, giving you a predictable monthly payment that won’t change. This stability makes it much easier to budget and ensures you won’t face a sudden payment increase you weren’t prepared for. It’s a great way to get the flexibility of a HELOC with the security of a traditional loan.

Create a clear budget and repayment plan

It’s easy to see a HELOC as a simple source of cash, but it’s important to treat it as seriously as your main mortgage. Before you start spending, create a detailed budget that includes your new monthly payment. Your plan should focus on paying back both the principal and the interest, not just making the minimum interest-only payments. A strong repayment strategy ensures you’re actively reducing your debt and rebuilding your home equity. Think of it this way: every dollar of principal you pay down is another dollar of equity you get back.

Know how much you can truly afford to borrow

When you’re approved for a HELOC, you’ll be given a maximum credit limit, but that doesn’t mean you should use it all. A good rule of thumb is to borrow only what you need for your specific goal, whether it’s a kitchen renovation or consolidating high-interest debt. Sticking to a clear number prevents you from taking on more debt than you can comfortably handle. By being disciplined about how much you borrow, you keep your payments manageable and protect the valuable equity you’ve worked so hard to build in your home. If you're curious about what you might qualify for, you can get started in minutes to see your options.

Is a HELOC the Right Choice for You?

A home equity line of credit can be a powerful financial tool, but it’s important to weigh the benefits against the risks. It’s a great option for homeowners who need flexible access to cash for ongoing projects or unexpected costs. However, it requires financial discipline and a clear understanding of how variable rates work. Before you decide, think carefully about your financial habits, your comfort with risk, and what you plan to use the funds for.

When to say 'no' to a HELOC

A HELOC isn’t the right fit for every situation. The most important thing to remember is that you’re borrowing against your home, which means your property is the guarantee for the loan. This comes with a serious risk: if you can't make your payments, the lender could take your home through foreclosure. If your income is unpredictable or you’re worried about the temptation of having a large credit line available, a HELOC might not be the best choice. It’s crucial to be honest with yourself about your spending habits and financial stability before putting your home on the line. Taking on new debt is a big decision, so it's wise to understand how to manage your debt effectively.

Exploring other financing options in Ontario

If a HELOC doesn’t feel right, don’t worry—you have other options. For a single, one-time expense like a major kitchen renovation or consolidating high-interest debts, a traditional home equity loan might be a better fit. This gives you a lump sum of cash with a fixed interest rate and predictable monthly payments. You might also consider a mortgage refinance to access a larger amount of equity. It’s also worth remembering that HELOCs can come with setup fees, annual fees, or even penalties for closing them early. Taking the time to explore all your financing options helps you find the solution that truly matches your financial goals and gives you peace of mind.

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Frequently Asked Questions

What's the biggest difference between a HELOC and a home equity loan? Think of a HELOC as a flexible credit line, similar to a credit card. You get a credit limit and can borrow funds as you need them, pay the balance down, and borrow again. A home equity loan is different; it provides you with a single lump-sum payment upfront, which you then repay in predictable, fixed installments over a set period.

Will my monthly HELOC payment change over time? Yes, it most likely will. Most HELOCs have variable interest rates, so your payment can fluctuate as the lender's prime rate changes. A more significant change happens when your initial "draw period" ends. During this time, you might only pay interest, but once you enter the "repayment period," your payments will increase to cover both the principal and interest.

How much of my home's equity can I actually borrow? Lenders in Canada typically allow you to borrow up to a combined total of 80% of your home's appraised value between your mortgage and the HELOC. To estimate your potential limit, you would calculate 80% of your home's value and then subtract your remaining mortgage balance. The result is the maximum amount you could likely access.

What happens if I can't make my payments? This is the most important risk to understand. Because a HELOC is secured by your home, failing to make payments gives the lender the right to begin foreclosure proceedings. This means you could lose your home. It's essential to treat your HELOC payments with the same priority as your primary mortgage.

Can I pay off my HELOC early without any penalties? It depends on the lender's terms. Some HELOC agreements include an early closure or cancellation fee if you close the account within the first few years. This fee helps the lender recover their initial setup costs. Always ask for a detailed list of all potential fees, including any penalties for early repayment, before you sign.

Ayaz Virani

Ayaz Virani is the Vice President of Sales at Lotly and a licensed mortgage agent in Ontario under 8Twelve Mortgage Corporation (FSRA License #13072). With over three years of experience as a Growth Manager at KOHO Financial, Ayaz brings deep expertise in helping Canadians access smart, flexible financing. He has successfully funded hundreds of homeowners and is known for his transparent advice, fast service, and genuine care for each customer’s financial goals.