What if I don't have enough equity to qualify at 80% CLTV?

You may still have none available at a conservative limit but qualify at a higher one. A $350,000 home with a $290,000 mortgage balance has $0 available at an 80% CLTV cap (350,000 × 0.80 = 280,000, which is below the balance already owed), but $25,000 available at a 90% CLTV cap some lenders allow.

How much does the lender's CLTV limit change what I can borrow?

Significantly. On a $400,000 home with a $250,000 balance, an 80% CLTV cap allows $70,000 of borrowing, 85% allows $90,000, and 90% allows $110,000 — a $40,000 swing between the most conservative and most aggressive limits a lender might offer.

Home Equity Loan Calculator

Q: How much home equity can I borrow?

Most lenders cap total borrowing (first mortgage + equity loan) at 80%-85% of home value, some up to 90%. On a $400,000 home with a $250,000 mortgage balance, 85% CLTV allows 400,000 × 0.85 − 250,000 = $90,000 of borrowing.

Q: What is the difference between a home equity loan and a HELOC?

A home equity loan is a lump sum at a fixed rate with fixed payments — predictable and good for one-time expenses. A HELOC is a revolving credit line with a variable rate — flexible and good for ongoing or uncertain costs. Both are secured by your home.

Q: Is a home equity loan risky?

The key risk is that your home is collateral: missed payments can lead to foreclosure. Using equity for appreciating purposes (renovations, debt consolidation at lower rates) is generally sounder than funding consumption.

See how much you could borrow against your home at typical lender limits — and what the monthly payment would look like.

Written by the Calculator Index team · Last reviewed September 2026

You could borrow up to about

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Total home equity

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Current LTV

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Payment if fully borrowed

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CLTV after borrowing

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The available-equity formula

Available to borrow = (Home value × CLTV limit) − Current mortgage balance

Worked example

Home value $400,000 · mortgage balance $250,000 · lender limit 85% CLTV

Available = 400,000 × 0.85 − 250,000 = $90,000

Borrowing all $90,000 at 8.5% over 10 years costs about $1,116/mo.

Worked example — a homeowner with little available equity

Home value $350,000, mortgage balance $290,000, lender's conservative 80% CLTV limit: Available = 350,000 × 0.80 − 290,000 = 280,000 − 290,000 = −$10,000, which floors at $0 — this homeowner is already past the 80% threshold and doesn't qualify at that limit.

The same homeowner at a more aggressive 90% CLTV lender: 350,000 × 0.90 − 290,000 = 315,000 − 290,000 = $25,000 available. The lender's chosen limit, not just your equity, determines whether you qualify at all.

How the CLTV limit changes your available borrowing

CLTV limit	Available to borrow
80%	$70,000
85%	$90,000
90%	$110,000

(Based on the $400,000 home / $250,000 balance from the first example.) A more aggressive CLTV limit unlocks more borrowing but also means less equity cushion if home values fall — the $40,000 gap between an 80% and 90% limit here is exactly the extra risk a lender is taking on, which is also why 90% programs often carry a higher rate or require mortgage insurance.

Common home equity loan mistakes

Assuming any positive home equity means you qualify for a loan against it. As the low-equity example shows, the lender's CLTV cap — not just raw equity — determines what's actually available, and it can be $0 at a conservative limit.
Not shopping the CLTV limit across lenders. The gap between an 80% and 90% program can be tens of thousands of dollars, as the table above shows, though higher limits usually cost more in rate or fees.
Borrowing the maximum available rather than what the purpose actually needs. Since the loan is secured by your home, borrowing more than a renovation or consolidation actually requires adds risk without added benefit.

Home equity loan vs. HELOC vs. cash-out refinance

Option	Structure	Best for
Home equity loan	Lump sum, fixed rate, fixed payments	One-time known expenses
HELOC	Credit line, variable rate, draw as needed	Ongoing or uncertain costs
Cash-out refinance	New bigger first mortgage, cash at closing	When new rates beat your current rate

Remember that all three are secured by your house — the borrowing is cheap because your home is on the line. Compare against unsecured options with the personal loan calculator, and if the goal is erasing card debt, sanity-check the plan with the debt consolidation calculator first.

Frequently asked questions

How much home equity can I borrow?

Lenders typically cap combined borrowing at 80%–85% of home value (some 90%). $400,000 home − $250,000 owed at 85% = $90,000 available.

What's the difference between a home equity loan and a HELOC?

Loan = lump sum, fixed rate. HELOC = revolving line, variable rate. Both use your home as collateral.

Is a home equity loan risky?

Your home is collateral, so missed payments risk foreclosure. Best used for value-building purposes rather than consumption.

What if I don't qualify at 80% CLTV?

You might at a higher limit. $350,000 home, $290,000 balance: $0 available at 80% CLTV, but $25,000 at 90%.

How much does the CLTV limit change what I can borrow?

A lot — on a $400,000 home with $250,000 owed, $70,000 available at 80% CLTV vs. $110,000 at 90%.

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Note: Actual borrowing limits depend on credit, income, and lender programs; rates shown are illustrative. Not financial advice. Last reviewed: September 2026.