This very impressive traditional fireplace comes with optional gas conversion. Swans Nest Great 630 w x 380 d Fire Dogs 570 h x 490 d The great and fire dogs are cast iron and would pass for new, the gas conversion kit is of high quality complete with coals all in good condition. To buy new would total over £1000 This fireplace can be used to burn logs, coal etc though we had it connected to a gas supply. See photos of partially assembled conversion kit. Of course, a qualified gas engineer would be required for use with gas.