For five years, the interest rate on Richard Merrett's mortgage was locked at 1.14% but with the ultra-cheap deal set to expire in early 2027, he faces a sudden trebling of his monthly housing costs from $728 a month to $2,184 ▻ ↧ Homeowners in UK and beyond hit as global bond selloff drives up m... For five years, the interest rate on Richard Merrett's mortgage was locked at 1.14%. With that ultra-cheap deal due to expire he faces a sudden trebling of his ‌monthly housing costs.