The Golden Handcuffs: Is Your Low Rate Actually Keeping You Stuck?

If you bought or refinanced in 2020 or 2021, there's a decent chance you're sitting on a mortgage rate under 3%. That rate has kept a lot of people from moving, even when the house isn't working for them anymore. Here's the math worth running before deciding a low rate is reason enough to stay.

Save this if you're on the fence: Before you let the rate make the decision for you, calculate the real monthly difference on the actual amount you'd finance, not just the rate gap. Add up what staying is quietly costing you in space, stairs, or upkeep. And ask how long you'd actually keep the new rate before refinancing or paying it down.

How much does a higher rate actually cost you each month?

Here's where the real number matters more than the feeling. Say you have a $300,000 mortgage at 2.75%. Your principal and interest payment is a little over $1,200 a month. Move that same loan amount to 6.5%, and you're closer to $1,900. That's roughly $700 more a month, and it's the number most people stop at.

But that's not the whole math. If you're selling a home you've owned since 2020 or 2021, you likely have real equity built up, which means you're not financing the full price of your next home. A bigger down payment shrinks the loan amount, which shrinks that gap. Run the numbers on what you'd actually finance, not the full rate difference.

When does staying cost more than the rate gap?

A rate is one number. It's not the only one. If the house has stairs you're starting to avoid, a yard that's turned into a chore instead of a hobby, or bedrooms you heat and cool for nobody, that's a cost too. It just doesn't show up on a mortgage statement.

"A low rate on the wrong house is still the wrong house."

What should you calculate before deciding?

Figure out the real loan amount you'd finance on the next home, not the full purchase price. Price out today's payment at today's rate on that actual loan amount. Add up what you're currently paying in maintenance, taxes, or space you don't use. And be honest about how long you'd likely keep this rate before refinancing if rates drop again.

If the math has you leaning toward a smaller place, Should You Sell Before You Buy? and The Hidden Cost of Waiting: It's Not Always About Money are worth reading next. I've run this exact math with homeowners in North Branford, Guilford, and Madison this year, and the answer has gone both ways. Sometimes the rate really is worth staying for. Sometimes it isn't, once the full cost of staying gets counted.

Kim Dawson is a REALTOR® with Coastal Connecticut Homes, serving the Connecticut Shoreline. A North Branford native, she specializes in helping homeowners 50+ navigate downsizing, relocation, and major life transitions.

Kim Dawson REALTOR® 203.481.4605

Want to run your actual numbers instead of the example above? I'm glad to sit down and do the real math with you. No pressure, no obligation.