HELOC with a low credit score: what lenders want and what it costs

A low credit score does not automatically rule out a home equity line of credit, but it changes the deal you are offered. Here is what actually moves the decision, and what to do about it.

Written by the MetriqaHub Editorial Team. Figures and rules checked against the sources below on 2026-08-13.

How much can you borrow on a HELOC?

Enter your home value, what you still owe, and the combined loan-to-value limit your lender allows.

Estimated available credit

$102,500

Equity in the home
$170,000
Current LTV
62.2%
Share of equity you can tap
60%

Method: available credit = (home value x max CLTV) - mortgage balance, floored at zero. This is the lending ceiling, not an approval. Lenders also underwrite income, credit score and debt-to-income, and most set a minimum draw. An estimate, not financial advice.

What lenders actually want, versus the floor they will accept

HELOC lenders publish a minimum score to get you in the door, and that minimum is not the score that gets you the best line. There are two different numbers at work: the underwriting floor below which an application is declined outright, and the tier where you actually see the widest lender choice, the highest maximum combined loan-to-value, and pricing that does not carry a heavy risk premium.

The floor also varies by lender type more than most borrowers expect. Large national banks tend to hold the highest floors and the least flexibility around them. Credit unions and portfolio lenders, ones that keep the loan on their own books instead of selling it, are usually the ones willing to go lower on score if the rest of the file is strong. Online HELOC lenders sit in between, often trading a lower score floor for a lower maximum CLTV. None of this is set by regulation, each lender sets its own overlay on top of its own risk appetite, so the same credit file can be declined at one lender and approved at another with no error on either side.

How a weaker score gets offset by less exposure

A HELOC is underwritten on two variables that trade against each other: your credit score and your combined loan-to-value, the existing mortgage balance plus the new line, divided by the home's value. A weaker score does not have to be an automatic decline if the CLTV is low enough that the lender's exposure stays small regardless of your credit history.

The mechanism is straightforward. At a high CLTV the lender is relying almost entirely on your promise to pay, because there is little equity cushion left if you default and the home has to be sold. At a low CLTV there is a buffer: if you stop paying, the lender can foreclose and still recover the debt from the sale proceeds. That buffer is why the same borrower with the same score can qualify for a modest line against a lot of equity and get declined for a large one against a little.

What a weaker score costs you in rate

Where equity cannot fully offset a low score, the price shows up in the interest rate instead of in a decline. HELOC rates are variable, tied to an index such as the prime rate, with a margin added on top that reflects your risk tier. A lower score does not usually block the line outright, it moves you into a higher margin within the same product.

That margin compounds because the balance can float for years during the draw period. A few tenths of a percentage point on a HELOC you carry a balance on for a decade is a real dollar amount, not a rounding error, so it is worth asking each lender you compare for the specific margin your file qualifies for, rather than accepting the advertised low-end rate, which assumes the strongest score tier.

The alternatives worth comparing before you apply

A HELOC is not the only way to borrow against home equity, and if your score puts you at a real disadvantage on a revolving line, it is worth pricing the alternatives rather than assuming the HELOC is your only route.

How the main options compare
OptionSecured by homeRate typeBest fit when
HELOCYesVariableYou want to draw and repay over time as needs come up
Cash-out refinanceYesFixedYour current mortgage rate is close to or above today's market rate
Home equity loanYesFixedYou need one lump sum and want a fixed payment
Personal loanNoFixedThe amount is modest and you do not want the home as collateral

Concrete steps that move the approval odds

The score cutoff is not the only lever. A handful of concrete actions can move an application from decline to approval, or from an expensive tier to a cheaper one, without needing months of credit repair first.

Sizing what you could still borrow

Lenders size a line against combined loan-to-value: available credit equals home value times the maximum CLTV, minus what you still owe. A weaker score often means a lower CLTV cap rather than a flat decline, and that cap difference matters more than it looks.

On a $350,000 home with $220,000 owed, an 80 percent CLTV cap, common at lower score tiers, yields a ceiling of $280,000 and an available line of $60,000. The same house at an 85 percent cap, more typical for a stronger score, yields a ceiling of $297,500 and an available line of $77,500. That five-point difference in the cap is worth $17,500 in this example, which is a useful way to see exactly what improving your score tier is worth in dollars rather than in the abstract.

Use the calculator above to run your own numbers, then treat the result as a ceiling rather than an approval. Income, debt-to-income and the specific CLTV cap a lender applies to your score tier are underwritten separately.

Frequently asked questions

What credit score do you need for a HELOC?
There is no single number, lenders set their own floors and they differ by lender type. Large banks tend to require the strongest scores, while credit unions and portfolio lenders are more often willing to go lower, especially when the CLTV is low. The score that actually gets you competitive pricing is typically well above the bare minimum a lender will accept.
Can you get a HELOC with a credit score in the 500s?
It is possible but uncommon, and it usually requires a very low combined loan-to-value to offset the score, along with a lender that underwrites in-house rather than selling the loan. Expect the highest pricing tier the lender offers, and expect a shorter list of lenders willing to consider the file at all.
Does applying for a HELOC hurt your credit score?
A HELOC application typically triggers a hard inquiry, which causes a small, temporary dip. Opening the account can also affect your score through average account age and, once you start drawing on it, through utilization. None of these effects are usually large or permanent for a borrower who keeps payments current.
Is a home equity loan easier to get than a HELOC with bad credit?
Not automatically. Both products are underwritten on the same score and CLTV logic at most lenders. A fixed-payment home equity loan can feel easier to qualify for because the risk is more predictable to the lender, but that is lender-specific rather than a rule you can count on across the board.
Will paying off credit card debt help me qualify faster than other credit repair?
Often, yes. Credit utilization is one of the fastest-moving inputs to a credit score, and a lower balance can be reflected within a single statement cycle once the card issuer reports it. That is faster than most other ways to improve a score, which typically take months to show up.
Can I use a co-borrower to qualify for a HELOC with bad credit?
Yes, but the co-borrower generally needs to be on the property title, not simply a cosigner in the way a personal loan allows. Lenders underwrite the combined file, so a co-borrower with strong credit and income can materially change the outcome, provided they are willing to be legally tied to the home.

Sources

Related guides

This guide is general information, not financial advice. Lending rules, tax treatment and programme terms change, and they vary by lender and by state. Confirm anything that affects a decision with the sources listed above or a licensed professional before acting on it.