Customers of major banks in the UK, including Barclays, HSBC, Lloyds Bank, NatWest, and Santander, are facing uncertainty as mortgage rates fluctuate. According to analysis from Moneyfactscompare.co.uk, these banks have reduced selected fixed mortgage rates in response to recent swap rate movements. However, the Moneyfacts Average Mortgage Rate recorded a 0.82% month-on-month increase, marking the largest rise since July 2023. The ongoing economic uncertainty, driven by high inflation and geopolitical tensions, particularly the conflict in the Middle East, has led to expectations of elevated interest rates for a prolonged period. Experts suggest that borrowers should be cautious about locking into fixed deals, as the outlook on interest rates remains uncertain. Rachel Springall, a finance expert at Moneyfactscompare.co.uk, noted that borrowers transitioning from cheaper fixed rates will face higher repayments, potentially costing them nearly £2,500 annually if they do not switch to fixed rates. The Bank of England's Base Rate, currently at 3.75%, is not anticipated to drop until at least 2027, leaving borrowers in a challenging position as they navigate the mortgage landscape.