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30-Year Fixed Mortgage Refinance Interest Rates in Londonderry, NH

Explore 30-year fixed mortgage refinance rates in Londonderry, NH over time.

As of Sep 20, 2026
New Hampshire Avg

7.156%7.16%

+0.14% · 1wk
National Avg

7.155%7.16%

+0.13% · 1wk

Timeframe

Daily refinance averages provided by the Mortgage Research Center.


Compare mortgage rates in Londonderry, New Hampshire

Showing results for: 30-Year Fixed refinance offers for Single Family or Townhome properties in NH, total loan amount of $228,000.

LenderAPR / RateMonthly Payment
Mortgage Rate Company

Rate data provided by RateUpdate.com. Displayed by Mortgage Research Center, NMLS #1907, Equal Housing Opportunity. Rates and fees are estimates and subject to change without notice. Payments do not include taxes and insurance premiums. Actual payments may be higher. Not all lenders participate in this marketplace. Loan availability and terms may vary by state and lender. Lender offers, including badges like “Lowest APR” or “Lowest Payment,” are based only on results displayed here and may not reflect the absolute lowest offer available in the market. Rate and product details


What refinancing looks like in Londonderry at today's rates

The median home in Londonderry costs about $424,100. Refinancing a typical balance of $339,280 (80% of that value) at today's average 30-year fixed rate in New Hampshire of 7.16% works out to roughly $2,293/month in principal and interest, with $486,162 of total interest over the 30-year term.

Here is how the monthly payment and break-even point change if you wait for (or negotiate) a lower rate, assuming closing costs of $8,482 (2.5% of the loan):

RateMonthly P&IMonthly savingsBreak-even
7.16% (today)$2,293
6.91% (−0.25%)$2,236$57/mo149 months
6.66% (−0.50%)$2,179$114/mo75 months
6.41% (−0.75%)$2,124$169/mo51 months
6.16% (−1.00%)$2,068$225/mo38 months

Estimates use principal and interest only and today's average New Hampshire rate; they exclude taxes, insurance, and rate differences from credit score or loan size.

Weighing the term itself? At today's New Hampshire average 15-year fixed rate of 6.35%, the same $339,280 balance costs $2,928/month over 15 years — $635/month more than the 30-year fixed option, but with $298,343 less interest paid over the life of the loan.

What Rate Drop Makes 30-Year Refinancing Worth It in Londonderry?

In Londonderry's stable market with 3.9% appreciation, aim for at least 0.75-1% rate reduction when refinancing to a 30-year fixed. On a $339,280 loan, dropping from 7% to 6% saves $223/month. With typical $8,482 closing costs, your break-even is 38 months. Stay in your Londonderry home at least 4 years to benefit fully. Smaller rate reductions still work if you have minimal closing costs or plan to stay long-term.

Should I Refinance to 30-Year to Lower My Payment in Londonderry?

Refinancing to a 30-year fixed in Londonderrymaximizes payment reduction if you're coming from a shorter term or higher rate. If you're already in a 30-year loan, refinancing saves $223/month per 1% rate drop on a $339,280balance. This helps if your financial situation changed, you need cash flow relief, or you want to improve debt-to-income ratio. However, extending your term resets the amortization-you'll pay more interest over the loan's life. Calculate total interest: 30 years at 6% costs $393k in interest on Londonderry's median home.

How Do I Calculate My 30-Year Refi Break-Even in Londonderry?

Break-even calculation: divide total closing costs by monthly savings. In Londonderry, refinancing $339,280 costs approximately $8,482. If you save $223/month (7%→6%), break-even is 38 months. But consider total savings beyond break-even: stay 5 years and you net $4,898; stay 10 years and you net $18,278. Include Londonderry's $770/month property tax (2.18%) in payment calculations, but remember it doesn't change when you refinance.

Is a No-Closing-Cost 30-Year Refi Better in Londonderry?

No-closing-cost refinances roll $8,482 in fees into your loan or charge 0.25-0.5% higher rates. In Londonderry, this makes sense if you're moving within 3-5 years or rates might drop further soon. Compare: upfront costs with 6% rate vs. no costs at 6.375%. The higher rate costs approximately $83/month more, so you "pay back" the $8,482 in 102 months. Stay longer than that, and upfront costs win.

When Is the Best Time for a 30-Year Refinance in Londonderry?

Timing matters in Londonderry's stable market. Refinance when: 1) Rates drop 0.75%+ below your current rate, 2) Your home appreciated enough to eliminate PMI (if you have it), or 3) Your financial situation improved (credit score up, income increased). Don't try timing the absolute bottom-with $424,100 median homes in Londonderry, even a 0.5% improvement is meaningful. Monitor rates but act when savings justify costs. With 3.9% appreciation, your equity grows steadily, potentially qualifying you for better rates over time.

Build Long-Term Stability with 30-Year Refinancing in Londonderry

Your Loan-to-Value (LTV) measures how much you owe versus what the home is worth.

If you bought your Londonderry home with an FHA loan or a small down payment, you are likely paying Private Mortgage Insurance (PMI). Because your home's value has skyrocketed so quickly, your equity has naturally grown. By refinancing right now, you can get your home reappraised, drop your LTV below 80%, and eliminate that PMI payment entirely.

Property Tax Tip for Londonderry Homeowners

Don't let rising taxes eat your refinance savings. Ensure your new lender accurately calculates your escrow requirements at closing so you aren't hit with a massive adjustment letter at the end of the year.

State & Local Assistance in Londonderry

Take advantage of NHHFA (New Hampshire Housing). Their regular assistance programs and competitive rates are incredible tools for keeping long-term homeownership deeply affordable.

How Londonderry compares across New Hampshire

Median home prices vary widely across New Hampshire, which changes what a typical refinance costs. Here is the estimated monthly principal and interest on a median-priced home (80% loan-to-value) at today's average 30-year fixed rate of 7.16%:

CityMedian home priceEst. monthly P&Ivs. Londonderry
Londonderry$424,100$2,293
Manchester$326,500$1,765−$528/mo
Concord$310,900$1,681−$612/mo
Nashua$310,900$1,681−$612/mo

Estimates use each city's median home price with the same statewide average rate; actual quotes vary by lender, credit profile, and loan size.