How much living flame gas fires cost to run can be influenced by several factors. First, the size of your gas fire, otherwise known as the heat input. If you choose a fire with a high heat input, you will use more kilowatts of heat per hour and running it will be more expensive. \rUK gas prices will also have a knock-on effect on real gas flame fires. As of January 2023, the cost of gas in kilowatts per hour averages 10.3 pence. \rIf these prices rise, running your fire will set you back more. Economic impacts like the cost of living crisis, inflation or recession can also cause gas prices to skyrocket, so no standard price is guaranteed. \rLastly, how often you use your fire will significantly alter the cost. The UK is notorious for its blustering winds and rainy weather, so there’s nothing like coming home to a roaring gas fire on a cold winter’s day. But beware: you may face a larger gas bill at the end of the month!