BARCLAYS, Nationwide, Skipton Building Society and TSB have all slashed mortgage rates this week, kicking off a price war among high street lenders. More and more deals are dipping below 4%,

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Americans saw a chance to save a few dollars on their monthly mortgage payments and took it, pushing refinance applications up 40% versus a year ago.

The average rate on 30-year fixed home loans from Freddie Mac decreased again to 6.77% for the week ending June 26.

Mortgage rates refer to the interest charged on a mortgage loan. Lenders use these rates to determine how much interest borrowers will pay on their mortgage over time.

Another flurry of tariff announcements could spark volatility in the mortgage market leading up to the Fed's meeting later this month.

Reinstated mortgage insurance premium deductibility and a higher cap on state and local tax deductions could change whether homeowners claim these tax breaks.