Sub-4% mortgages have met a rapid demise as the Middle East crisis causes global economic uncertainty For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Sign up to our free breaking news emails Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Mortgage costs are rising and homeowners who need to renew a fixed rate deal should move