Head of Steam Cardiff is a Welsh bar located at 18-19 Church St, CF10 1BG in Cardiff, Wales. The bar is known for its wide selection of beers, including a variety of craft beers and cask ales. The atmosphere is described as cozy and welcoming, with a focus on live music and events. The bar also offers a food menu with options ranging from pub classics to more modern dishes. Customers praise the friendly staff and the overall vibrant and lively atmosphere of the bar.