One expert says Britons could be making a mistake by not locking in their mortgage rate for more than two years, as interest rates might not fall as quickly as they expect.

​  One expert says Britons could be making a mistake by not locking in their mortgage rate for more than two years, as interest rates might not fall as quickly as they expect.  

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One expert says Britons could be making a mistake by not locking in their mortgage rate for more than two years, as interest rates might not fall as quickly as they expect.