Why does a HELOC payment jump when the draw period ends?
A HELOC has two distinct phases, and the transition between them is where many homeowners get caught off guard.
During the draw period — typically 10 years — you can borrow up to your credit limit, pay it back, and borrow again. Most lenders require only interest payments on the outstanding balance during this phase. That keeps monthly costs low and predictable, which can make it easy to forget that the balance still needs to be repaid in full.
When the draw period closes, the line converts to the repayment period — usually 15 to 20 years. You can no longer pull new funds. More importantly, every payment must now cover both principal and interest on whatever balance remains. The result is often a noticeable increase in your monthly obligation.
How much higher can payments get?
The size of the jump depends on three variables: the remaining balance, the interest rate, and the length of the repayment term. Here is an illustration of how the math can work out:
| Remaining balance | Interest-only payment (draw period) | Principal + interest payment (repayment, 20-year term) | Approximate increase |
|---|---|---|---|
| $30,000 | ~$130/mo at 5.25% | ~$205/mo | ~58% |
| $60,000 | ~$260/mo at 5.25% | ~$410/mo | ~58% |
| $100,000 | ~$435/mo at 5.25% | ~$680/mo | ~56% |
These figures are illustrative. Your actual payment will vary based on the rate in effect at the time of conversion, which — for most HELOCs — is variable and tied to the prime rate. If rates have risen during your draw period, the jump in payment can be steeper still.
What causes the shock to feel so sudden?
A few factors make the transition feel abrupt even when it is contractually disclosed years in advance:
- Time horizon. A 10-year draw period is long enough that the repayment date can feel abstract until it is a few months away.
- Rising balances. Homeowners who draw on the line repeatedly and pay only interest can end the draw period with a balance close to the credit limit — sometimes more than they originally planned.
- Rate increases. If the prime rate has moved up since origination, the rate underlying those new principal-plus-interest payments is higher than what the borrower got used to.
How can you prepare before the draw period ends?
Planning early gives you the most options. Consider these approaches:
- Start paying principal now. Nothing stops you from paying more than the interest-only minimum during the draw period. Each dollar of principal you reduce lowers the payment you will face at conversion.
- Map out the date. Check your loan documents or online account to confirm exactly when your draw period closes. Give yourself at least 12 months of lead time to evaluate options.
- Build cash reserves. Even if you do not pay down the balance aggressively, having 3–6 months of the higher estimated payment in savings reduces the risk of missing a payment after the switch.
- Model different rate scenarios. Because most HELOCs are variable, run the numbers at your current rate and at a rate that is 2 to 3 percentage points higher. That range gives you a realistic sense of the worst case.
What refinancing options exist when the draw period is ending?
If the projected repayment payment is unaffordable — or simply higher than you want — you have several paths:
Refinance into a new HELOC. Some lenders will offer a new 10-year draw period on a fresh line, essentially resetting the clock. This works best when you have substantial remaining equity and a strong credit profile. Be aware that a new HELOC still carries a variable rate and a future repayment period.
Convert to a home equity loan. A fixed-rate home equity loan replaces the variable-rate HELOC with a predictable installment payment. You trade the flexibility of a revolving line for the certainty of a set monthly amount over a defined term.
Cash-out refinance. If your first mortgage rate is also worth revisiting, rolling the HELOC balance into a new primary mortgage can simplify your debt into one payment. This option makes more sense when primary mortgage rates are favorable relative to your existing rate.
Negotiate with your current lender. Before shopping externally, call your lender. Some institutions will modify the terms of an existing HELOC — extending the repayment period or offering a temporary rate reduction — especially for borrowers with a strong payment history.
What if you already missed the transition?
If the draw period has already ended and the new payment is straining your budget, act quickly. Lenders generally prefer to work out a solution before a borrower falls behind, because foreclosure is costly for both sides. Options may include a formal loan modification, a temporary forbearance arrangement, or refinancing with a different lender.
The key takeaway is that payment shock is predictable and manageable when you give yourself enough runway. Knowing your draw period end date — and running the numbers well in advance — puts you in control of the transition rather than on the back foot when it arrives.