Millions of British households face higher energy bills as Ofgem raises its price cap by 10 per cent from today (October 1) and are being urged to take a smart meter reading as soon as possible to avoid skyrocketing costs The average annual bill for a typical dual-fuel household in England, Scotland and Wales will increase by £149, rising from £1,568 to £1,717. This translates to approximately £12 more per month on average bills. Ofgem, the energy regulator, attributes the hike primarily to rising prices in the international energy market, citing heightened political tensions and extreme weath…