The one number that decides it
Look at the rate on your current first mortgage. If it was set in a lower-rate period, a cash-out refinance means giving that rate up on the entire balance to access equity — you would be repricing money you already borrowed cheaply. A HELOC leaves that loan exactly as it is and adds a separate fixed-rate line behind it. If instead your first mortgage carries a rate above the current market, a cash-out refinance can lower the payment on the existing balance and release equity in one transaction, and the HELOC becomes the second-best tool.
How the two loans differ in practice
| Bank-statement HELOC | Bank-statement cash-out refinance | |
|---|---|---|
| Existing first mortgage | Untouched | Paid off and replaced |
| Interest charged on | Only what you draw | The entire new loan from day one |
| Reusable | Yes — pay it down, draw again during the draw period | No — one lump sum |
| Rate | Fixed per draw | Fixed or adjustable, on the whole balance |
| Appraisal | Usually none up to $400,000 | Almost always a full appraisal |
| Time to fund | As little as 5 days | Typically several weeks |
| Best when | Your first-mortgage rate is worth keeping, or the need is recurring | Your first-mortgage rate is above market, or you need one large sum |
When the HELOC wins even at a similar rate
- Uneven income. Interest accrues daily on the outstanding balance only, and there is no prepayment penalty. A strong quarter can pay the line down and a slow one can draw it back up. A refinance charges interest on the full amount whether you are using it or not.
- Speed. A clean HELOC file can fund in as little as five days, appraisal-free up to $400,000. A refinance carries a full appraisal, a new title policy and a longer closing.
- Closing costs on a smaller amount. Refinance costs are charged on the whole new loan; HELOC costs relate to the line. The larger your existing balance, the more a refinance costs you to access a modest amount of equity.
When the refinance wins
- Your first-mortgage rate is above today's market. Lowering it on the entire balance can outweigh everything else on this page.
- You want one payment, one lender and one large disbursement with no intention of re-borrowing.
- The equity you need exceeds what a second-position line can reach at the allowed combined loan-to-value.
Common questions
Can I do both — refinance the first and add a HELOC?
In principle, yes, but they are separate transactions with separate qualifying. If you are considering it, do the refinance first; the HELOC can then be sized to the new balance.
Is the income calculation the same for both?
Both use 12 months of deposits with an expense factor, and the factor varies by program. The two products may sit on different programs, so the usable income figure can differ.
Will a HELOC affect my ability to refinance later?
The line will appear on your credit report and be counted as a debt. If you later refinance the first mortgage, the HELOC can be subordinated on request so it stays in place.
Which one closes faster?
The HELOC, by a wide margin. Up to $400,000 there is usually no appraisal appointment, and a clean file can fund in as little as five days including the three-day rescission period on a primary residence.