With gas and electricity bills on course to increase by 54 percent in April, Buckingham Palace, which has 775 rooms and an estimated energy bill of £263,342.94, is set to feel the hike, smart heating service BOXT said. When the new cap, calculated by regulator Ofgem, is set in April as a result of the sharp rise in wholesale gas prices over the last few months, millions of households will typically pay an extra £693 a year on their energy bills. But at Her Majesty's official residence, this figure is as high as £200,000, with the Monarch's bill soaring to £476,790.95 in 2022. This is the equivalent to 826 UK households and much more dramatic than the current average yearly heating bill of £ ...