How to get the best mortgage rate: a practical guide

A 0.5% difference in your mortgage rate on a $350,000 loan over 30 years is worth more than $35,000 in interest savings. Getting the best rate is not luck. It comes from preparing your profile, asking several lenders and negotiating what is negotiable.

  • A credit score above 760 (US) gets the best rates, so it is worth a few months of work before applying
  • Ask three to five lenders: taking the first offer usually costs 0.25–0.5 points more
  • A 0.5% rate difference on $350,000 over 30 years is worth $35,000+ in interest savings
  • Brokers reach wholesale rates and lender-only products, and are often free to the borrower
  • Lower your DTI before applying: pay down car loans and credit cards
  • Lock the rate when you find one that works instead of trying to time the market

Step 1: improve your credit score before applying

Your credit score is the single biggest factor determining your mortgage rate. In the US, FICO scores above 760 get the best rates, usually 0.25–0.5 points below what a 680–720 score is offered, which over 30 years is worth $30,000–$50,000. To maximize your score before applying: pay down revolving credit card balances (aim for under 30% utilization, ideally under 10%), avoid opening new credit accounts in the 6–12 months before application, check your credit report and dispute anything that is wrong, and do not close old accounts, because the length of your credit history counts. In the UK, check your report with Experian, Equifax and TransUnion, because lenders may look at any of the three.

Step 2: get your finances in order

Lenders evaluate four things: credit score, income stability, debt-to-income ratio (DTI), and assets. Lower your DTI by clearing or reducing debts other than the mortgage before you apply: car loans, credit cards and personal loans. Keep two years of stable employment in the same field if possible; job changes right before applying raise flags. Build a paper trail: 2 years of tax returns, 2 months of pay stubs, 2 months of bank statements, and documentation of any other income sources. Self-employed borrowers typically need 2 years of Schedule C or business returns showing stable net income.

Step 3: shop at least 3–5 lenders

The biggest mistake is negotiating only with your current bank. Borrowers who take the first offer they are given tend to pay 0.25–0.5 points more, which over 30 years is $35,000–$70,000. Shop: your current bank, at least 2 other banks or credit unions (credit unions often offer the best rates for members), at least 1 mortgage broker (they have access to dozens of lenders at once), and online lenders (Rocket Mortgage, Better.com, loanDepot). In the UK, use a whole-of-market broker: they compare hundreds of deals and are often free to the borrower, because the lender pays them. Rate comparison sites like MoneySuperMarket and L&C are a starting point but a good broker finds deals not available on aggregators.

Step 4: understand what is actually negotiable

The interest rate itself: you can negotiate, especially if you have competing offers. Discount points: paying 1% of the loan upfront to cut the rate by around 0.25%, which pays off if you keep the mortgage seven years or more. Origination fees: often negotiable, especially with competing offers in hand. Rate lock period: standard is 30–60 days; longer locks (90–120 days) cost more but protect you in volatile rate environments. Lender credits work the other way round: you accept a higher rate in exchange for help with the closing costs. In Spain: negotiate the differential (spread above Euribor), the tied products (mandatory insurance, pension plans), and the opening fee.

Step 5: time your application strategically

Mortgage rates move daily based on bond market conditions. Rates are often slightly lower mid-week (Tuesday–Thursday) than on Mondays or Fridays when trading volumes create volatility. More importantly, get your quotes from every lender on the same day. Comparing Monday's quote with Friday's compares two market days, not two lenders. When you find a rate that works, lock it. On most products the lock costs nothing. Do not try to time the market by waiting for rates to fall. The savings from acting on a rate you can afford today almost always outweigh the risk of waiting.

The value of a mortgage broker

A mortgage broker does not lend money. They are an intermediary who puts your case in front of dozens of lenders at once. In the US, good mortgage brokers often find rates 0.1–0.3% lower than direct lenders because they have access to wholesale rates not available to the public. In the UK, whole-of-market brokers are usually free to the borrower and reach products you cannot get by walking into a branch. Talk to two or three brokers, ask what lenders they work with, and ensure they are independent (not tied to specific lenders).

Frequently asked questions

How many lenders should I compare?

At least three to five, on the same day, so that the offers reflect the same market conditions.

Does my credit score affect the rate?

Yes. A better credit profile can lower the rate you are offered.

Should I compare the rate or the APR?

The APR, because it includes fees and required products that the nominal rate leaves out.

Is a mortgage broker worth it?

It can be if your profile is complex or you lack time to shop. Check how they are paid and whether they are registered.

Read further

  • Never Split the Difference (Chris Voss and Tahl Raz). It gives you: Gives techniques you can apply to negotiating a salary, a mortgage or a lease.