Two of Britain’s biggest mortgage lenders are set to hike mortgage rates in the first major sign of the fall-out from the Middle East conflict on borrowers. HSBC will increase the cost of fixed rate home loans from today Friday, and Coventry Building Society from Monday. Exact details have yet to be confirmed. Experts warn other lenders are expected to follow suit, in a blow to those looking to take out a new home loan or needing to remortgage. The setback comes as lenders scramble to respond