Martin Lewis, founder of MoneySavingExpert.com (MSE), has warned that mobile and broadband customers could still face mid-contract hikes in their bills. This is despite a new rule banning sudden mid-contract price rises linked to inflation.

Thanks to the new Ofcom rule, broadband mobile and pay-TV firms will no longer be able to hit customers with inflation-linked price hikes halfway through their contract. The current rule means millions of customers face hikes of up to 8.8 percent this year…