Built in The UK By The Fastest Growing Fire Manufacturer Every Flavel branded gas fire is developed and manufactured in Britain at our purpose-built, state-of-the-art facility in Stoke-on-Trent Today BFM Europe (The Business behind the Flavel Brand) is the fastest growing domestic fire producer in the UK with a reputation for quality and service second to none. Steel build Steel is a great material to manufacture fires from. A steel fire won’t retain heat for quite as long as a cast iron fire but if you’re looking for something that’ll heat up fast and get the temperature of the room rising quickly then there is no better option.